Prescribing Information
Download Prescribing Information

2 DOSAGE AND ADMINISTRATION

2 DOSAGE AND ADMINISTRATION

2.1 Important Dosage and Safety Information

Use only preservative-free Methotrexate Injection for treatment of neonates or low birth weight infants and for intrathecal use. Do not use benzyl alcohol-containing formulations for high-dose regimens unless immediate treatment is required and preservative-free formulations are not available [see Warnings and Precautions (5.3) and Use in Specific Populations (8.4)].
Verify pregnancy status in females of reproductive potential before starting Methotrexate Injection [see Contraindications (4) and Warnings and Precautions (5.1)].
For patients switching between a methotrexate product administered orally and Methotrexate Injection, consider potential differences in bioavailability.

2.2 Recommended Monitoring and Concomitant Therapies for Intermediate- and High-Dose Regimens

To decrease the risk of severe adverse reactions [see Warnings and Precautions (5)]:

Administer leucovorin rescue in patients receiving Methotrexate Injection doses of 500 mg/m2 or greater (e.g., high-dose).
Consider leucovorin rescue for patients receiving Methotrexate Injection doses between 100 mg/m2 to less than 500 mg/m2 (e.g., intermediate-dose).

Refer to the leucovorin prescribing information for additional information.

For high-dose Methotrexate Injection regimens, follow the supportive care and monitoring instructions below. Also consider for patients receiving intermediate-dose Methotrexate Injection regimens.
-
Monitor serum creatinine, electrolytes, at baseline and at least daily during therapy
-
Administer intravenous fluids starting before the first dose and continuing throughout treatment to maintain adequate hydration and urine output
-
Alkalinize urine starting before the first dose and continuing throughout treatment to maintain a urinary pH of 7 or higher
-
Monitor methotrexate concentrations at least daily and adjust hydration and leucovorin dosing as needed
Administer glucarpidase in patients who have toxic plasma methotrexate concentrations (>1 micromole per liter) and delayed methotrexate clearance due to impaired renal function (refer to the glucarpidase prescribing information for additional information).

2.3 Recommended Dosage for Acute Lymphoblastic Leukemia

Methotrexate Injection is used as part of a multi-drug regimen. The recommended dosage varies from 10 to 5000 mg/m2 intravenously. For high-dose Methotrexate Injection regimens, use leucovorin rescue in accordance with high-dose methotrexate regimen guidelines [see Dosage and Administration (2.2)]. Lower doses (e.g., 20 to 30 mg/m2 per week) may be used intramuscularly. Individualize the dose and schedule of Methotrexate Injection based on disease state, patient risk category, concurrent drugs used, phase of treatment, and response to treatment.

2.4 Recommended Dosage for Meningeal Leukemia: Prophylaxis and Treatment

Use only preservative-free Methotrexate Injection for intrathecal use.

Prior to administration, dilute preservative-free Methotrexate Injection to a concentration of 1 mg/mL in preservative-free 0.9% Sodium Chloride Injection, USP.

The recommended intrathecal dose of Methotrexate Injection (preservative-free) is based on age:

less than 1 year: 6 mg
1 to less than 2 years: 8 mg
2 to less than 3 years: 10 mg
3 to less than 9 years: 12 mg
greater than or equal to 9 years: 12 to15 mg

For treatment of meningeal leukemia, intrathecal methotrexate may be given at intervals of 2 or more days up to twice weekly; however, administration at intervals of less than 1 week may result in increased subacute toxicity. For meningeal leukemia prophylaxis, Methotrexate Injection is administered no more than once weekly.

For patients with Down Syndrome, administer leucovorin rescue with intrathecal Methotrexate Injection.

2.5 Recommended Dosage for Non-Hodgkin Lymphoma

The recommended dosage of Methotrexate Injection varies. When used in combination, recommended dosages range from 10 mg/m2 to 8000 mg/m2 intravenously. When used as a single agent, recommended dosages include 8000 mg/m2 intravenously for central nervous system-directed therapy or 5 to 75 mg intravenously for cutaneous forms of non-Hodgkin lymphoma.

As part of a combination chemotherapy regimen, a recommended dosage of Methotrexate Injection is 1000 mg/m2 or 3000 mg/m2 as an intravenous infusion over 24 hours followed by leucovorin rescue in accordance with high-dose methotrexate regimen guidelines [see Dosage and Administration (2.2)].

For central nervous system-directed therapy, a recommended dosage of Methotrexate Injection is 8000 mg/m2 as an intravenous infusion over 4 hours as a single agent or in combination with immunochemotherapy at doses ranging from 3000 mg/m2 to 8000 mg/m2 followed by leucovorin rescue in accordance with high-dose methotrexate regimen guidelines [see Dosage and Administration (2.2)].

For intrathecal Methotrexate Injection (preservative-free), the recommended dose is based on age [see Dosage and Administration (2.4)]. The frequency of administration varies based on whether it is being used for treatment or prophylaxis, and other factors.

2.6 Recommended Dosage for Osteosarcoma

The recommended dosage of Methotrexate Injection is typically 12 g/m2 (maximum 20 g/dose) as an intravenous infusion over 4 hours administered as a component of a combination chemotherapy regimen. Administer leucovorin rescue in accordance with high-dose methotrexate regimen guidelines [see Dosage and Administration (2.2)]. Subsequent doses may need to be adjusted based on observed peak serum methotrexate concentrations. Dosage and schedule may vary based upon factors such as patient comorbidities, disease state, and prior treatments.

2.7 Recommended Dosage for Breast Cancer

A recommended dosage of Methotrexate Injection is 40 mg/m2 intravenously as a component of a cyclophosphamide- and fluorouracil-based multi-drug regimen.

2.8 Recommended Dosage for Squamous Cell Carcinoma of Head and Neck

The recommended dosage of Methotrexate Injection ranges from 40 to 60 mg/m2 intravenously once weekly.

2.9 Recommended Dosage for Gestational Trophoblastic Neoplasia

For patients with low-risk gestational trophoblastic neoplasia (GTN) a recommended dosage for Methotrexate Injection is 30 mg/m2 to 200 mg/m2 or 0.4 mg/kg to1 mg/kg intravenously or intramuscularly.

For patients with high-risk GTN, a recommended dosage for Methotrexate Injection is 300 mg/m2 over 12 hours as an intravenous infusion as a component of a multi-drug regimen.

2.10 Recommended Dosage for Rheumatoid Arthritis

The recommended starting dosage of Methotrexate Injection is 7.5 mg once weekly, administered intramuscularly with escalation to achieve optimal response. Dosages of more than 20 mg once weekly result in an increased risk of serious adverse reactions, including myelosuppression.

When responses are observed, the majority occurred between 3 and 6 weeks from initiation of treatment; however, responses have occurred up to 12 weeks after treatment initiation.

Administer folic acid or folinic acid to reduce the risk of methotrexate adverse reactions [see Warnings and Precautions (5.12)].

2.11 Recommended Dosage for Polyarticular Juvenile Idiopathic Arthritis

The recommended starting dosage of Methotrexate Injection is 10 mg/m2 once weekly administered subcutaneously or intramuscularly, with escalation to achieve optimal response. Dosages over 30 mg/m2 per week may result in an increased risk of serious adverse reactions, including myelosuppression. When responses are observed, the majority occurred between 3 and 6 weeks from initiation of treatment; however, responses have occurred up to 12 weeks after treatment initiation.

Administer folic acid or folinic acid to reduce the risk of methotrexate adverse reactions [see Warnings and Precautions (5.12)].

2.12 Recommended Dosage for Psoriasis

The recommended dosage of Methotrexate Injection is 10 mg to 25 mg intramuscularly or intravenously once weekly until adequate response is achieved.

Adjust the dose gradually to achieve optimal clinical response; do not exceed 25 mg per week. Once optimal clinical response has been achieved, reduce the dosage to the lowest possible dosing regimen.

Administer folic acid or folinic acid to reduce the risk of methotrexate adverse reactions [see Warnings and Precautions (5.12)].

2.13 Dosage Modifications for Adverse Reactions

Discontinue Methotrexate Injection for:

Anaphylaxis or other severe hypersensitivity reactions [see Warnings and Precautions (5.2)]
Lymphoproliferative disease [see Warnings and Precautions (5.13)]

Withhold, dose reduce or discontinue Methotrexate Injection as appropriate for:

Myelosuppression [see Warnings and Precautions (5.4)]

Withhold or discontinue Methotrexate Injection as appropriate for:

Serious infections [see Warnings and Precautions (5.5)]
Renal toxicity [see Warnings and Precautions (5.6)]
Hepatotoxicity [see Warnings and Precautions (5.7)]
Neurotoxicity [see Warnings and Precautions (5.8)]
Gastrointestinal toxicity [see Warnings and Precautions (5.9)]
Pulmonary toxicity [see Warnings and Precautions (5.10)]
Dermatologic reactions [see Warnings and Precautions (5.11)]

2.14 Administration and Handling Information

Methotrexate Injection is a hazardous drug. Follow applicable special handling and disposable procedures.1

With Preservative (Multiple-Dose Vial)

Methotrexate Injection formulation containing benzyl alcohol as a preservative may be administered by intramuscular, intravenous, or subcutaneous injection [see Dosage and Administration (2.1)]. Methotrexate Injection with preservative may be further diluted with 0.9% Sodium Chloride Injection, USP. Diluted product should be used within 4 hours when stored at room temperature (20°C to 25°C) or 24 hours under refrigeration (2°C to 8°C).
Visually inspect product for particulate matter and discoloration prior to administration. Discard if particulate matter or discoloration is observed.

Preservative-Free (Single-Dose Vial)

Methotrexate Injection preservative-free may be administered by intramuscular, intravenous, subcutaneous, or intrathecal injection.

Use only preservative-free Methotrexate Injection for treatment of neonates or low birth weight infants and for intrathecal use [see Warning and Precautions (5.3) and Use in Specific Populations (8.4)].
Use preservative-free Methotrexate Injection for high-dose regimens unless immediate treatment is required, and preservative-free formulations are not available [see Warning and Precautions (5.3) and Use in Specific Populations (8.4)].
Preservative-free Methotrexate Injection may be further diluted before use with preservative-free 0.9% Sodium Chloride Injection, USP. Diluted product should be used within 4 hours when stored at room temperature (20°C to 25°C) or 24 hours when stored under refrigeration (2°C to 8°C).
Visually inspect for particulate matter and discoloration prior to administration. Discard if particulate matter or discoloration is observed.
Medication Guide

MEDICATION GUIDE

This Patient Information has been approved by the U.S. Food and Drug Administration.     Issued: 05/2025

Patient Information
METHOTREXATE (Meth-oh-trex-ate)
Injection
for intravenous, intramuscular,
subcutaneous, or intrathecal use

What is the most important information I should know about Methotrexate Injection?
Methotrexate Injection can cause serious side effects that may be severe and lead to death, including:
Harm to an unborn baby, including birth defects or death of an unborn baby.
Females who can become pregnant:

Your healthcare provider should do a pregnancy test before you start taking Methotrexate Injection to see if you are pregnant.
If you are being treated for a medical condition other than cancer, do not receive or take Methotrexate Injection if you are pregnant. See Do not receive Methotrexate Injection if.
If you are taking Methotrexate Injection to treat your cancer, you and your healthcare provider will decide if you will receive or take Methotrexate Injection if you are pregnant.
Use effective birth control (contraception) during treatment and for 6 months after your last dose of Methotrexate Injection. Ask your healthcare provider what forms of birth control you can use during this time.
Tell your healthcare provider right away if you become pregnant or think you are pregnant during treatment with Methotrexate Injection.

Males with female partners who are able to become pregnant:

Use effective birth control during treatment and for 3 months after your last dose of Methotrexate Injection.
Tell your healthcare provider right away if your female partner becomes pregnant during treatment with Methotrexate Injection.

Severe allergic reactions. Severe allergic reactions can happen with Methotrexate Injection.

Do not receive Methotrexate Injection if you have had a severe allergic reaction to methotrexate in the past.
Get medical help right away if you develop any of the signs or symptoms of a severe allergic reaction to Methotrexate Injection, including:
o
skin rash, itching, and hives
o
swelling of the face, lips, tongue, or throat, or trouble swallowing
o
dizziness or lightheadedness
o
trouble breathing
o
wheezing
o
throat tightness
o
runny or stuffy nose
o
fast heart rate
o
chest pain
o
feeling faint

Decreased blood cell counts. Methotrexate Injection can affect your bone marrow and cause decreased red blood cell counts, white blood cell counts, and platelet counts, and a condition where your bone marrow cannot produce these blood cells (aplastic anemia). These decreased blood cell counts can be severe and may lead to a serious infection, the need for blood transfusions, treatment in a hospital, and can be life-threatening. Your healthcare provider will check your blood cell counts before you start and during treatment with Methotrexate Injection. Your healthcare provider will watch you closely for infections during treatment with Methotrexate Injection.
Call your healthcare provider right away if you develop:

a new fever (temperature of 100.4°F or higher)
symptoms of infection
easy bruising or bleeding that will not stop

Your healthcare provider may give you medicines to support your blood counts or give you transfusions if needed, and change your dose or stop your treatment with Methotrexate Injection if needed.
Serious infections. People who receive treatment with Methotrexate Injection have an increased risk of developing serious infections that can be life-threatening or lead to death. These infections include:

bacterial infections
fungal infections
viral infections
certain infections that happen because your immune system is weakened
hepatitis B infection that comes back (reactivation)
tuberculosis (TB) infection that is new or that comes back (reactivation)
shingles (herpes zoster)
cytomegalovirus infections

Your healthcare provider will closely watch you for signs and symptoms of infection during treatment with Methotrexate Injection. Your healthcare provider may hold or stop your treatment with Methotrexate Injection if you develop a serious infection.
Kidney problems. Methotrexate Injection can cause kidney damage including sudden kidney failure that may not go away (irreversible). People who already have kidney problems have an increased risk of kidney problems with Methotrexate Injection. Your healthcare provider will check your kidney function during treatment, and will hold or stop Methotrexate Injection treatment as needed for severe kidney damage.
Call your healthcare provider right away if you have signs or symptoms of kidney problems such as a big change in the amount of urine that you make, either increased or decreased.
Liver problems. Methotrexate Injection can cause severe liver problems including liver scarring (fibrosis), cirrhosis, and liver failure that may not get better (possibly irreversible) and can cause death.

In people with psoriasis who receive Methotrexate Injection, liver fibrosis or cirrhosis may happen without any symptoms or abnormal liver tests. The risk for liver problems in people with psoriasis increases with the amount of Methotrexate Injection that you receive over time.
Your healthcare provider will do tests to monitor your liver function before you start and during treatment with Methotrexate Injection, and may hold or stop your treatment with Methotrexate Injection, if needed.
The risk of liver problems is increased with heavy use of alcohol. Avoid drinking alcohol during Methotrexate Injection treatment.

Tell your healthcare provider if you develop any signs or symptoms of liver problems during treatment with Methotrexate Injection, including:

tiredness
easy bleeding or bruising
loss of appetite
nausea
difficulty thinking clearly
swelling in your legs, feet, or ankles
weight loss
itchy skin
yellowing of your skin or the white part of your eyes
weakness

Brain and spinal cord (nervous system) problems. Methotrexate Injection can cause nervous system problems that can be severe and last for a short time or last for a long time. These nervous system problems can get progressively worse, may not get better (possibly irreversible), and can cause death.

Serious nervous system problems can happen in children who receive Methotrexate Injection, including seizures that can begin on one side of the brain (focal seizures) or on both sides of the brain (generalized seizures).
The risk for a nervous system problem called leukoencephalopathy is increased in people who have had radiation treatment to their head and spine (craniospinal irradiation) in the past. Call your healthcare provider if you develop any new neurological symptoms.
People who receive high-dose Methotrexate Injection can develop sudden symptoms that are like the symptoms of a stroke, but they last a short time and may go away (transient).
People who receive injections of Methotrexate Injection into their spine (intrathecal methotrexate) can develop inflammation of the lining around the spinal nerves.

Call your healthcare provider right away if you or your child develop any new signs or symptoms of a nervous system problem during treatment with Methotrexate Injection, including:

confusion
weakness on one side of your body
sudden blindness that goes away
seizures
coma
headache
back pain
stiff neck
fever

Severe stomach and intestine (gastrointestinal) problems.
Methotrexate Injection can cause diarrhea, vomiting, mouth sores, stomach and intestinal inflammation with severe bleeding, and tears in the intestinal wall (perforation), and can lead to death.

People who have stomach ulcers (peptic ulcer disease) or ulcerative colitis (UC) have a higher risk of developing severe stomach and intestine problems with Methotrexate Injection.
Your healthcare provider may hold or stop your treatment with Methotrexate Injection if any of these severe stomach and intestinal problems happen, and treat you as needed.
Call your healthcare provider if you develop diarrhea, vomiting, inflammation or sores in your mouth.

Call your healthcare provider right away if you develop:

o
high fever
o
shaking chills
o
stomach-area (abdomen) pain that is severe or does not go away.
o
severe constipation
o
if you are vomiting blood
o
blood in your stools

Lung problems. Lung problems can happen suddenly (acute) with Methotrexate Injection or they can develop over a long period-of-time (chronic). Lung problems may not get better (possibly irreversible) and can cause death in anyone taking Methotrexate Injection. Your healthcare provider will monitor you for lung problems during treatment with Methotrexate Injection. Your healthcare provider may hold or stop your treatment with Methotrexate Injection, if needed.
Call your healthcare provider if you develop symptoms of a lung problem, including: cough, fever, and trouble breathing.
Skin reactions. Severe skin reactions can happen with Methotrexate Injection, that can be serious and can lead to death.

In people with psoriasis: Your psoriasis may get worse if you are exposed to sunlight or other types of ultraviolet light.
Methotrexate Injection can cause reactivation of skin reactions that can happen after radiation therapy (radiation recall), sunburns to come back (photodermatitis) and severe sunburn reactions.

Limit sunlight exposure during treatment with Methotrexate Injection. Use a broad-spectrum ultraviolet sunscreen and lip balm with a Sun Protection Factor (SPF) of 30 or greater and wear a hat and protective clothing when you will be exposed to sunlight during treatment with Methotrexate Injection.

Call your healthcare provider right away if you develop a new or worsening skin rash during treatment with Methotrexate Injection.

See What are the possible side effects of Methotrexate Injection? for more information about side effects.

What is Methotrexate Injection?
Methotrexate Injection is a prescription medicine used:
in adults and children:

in combination with other chemotherapy medicines to treat acute lymphoblastic leukemia (ALL) to help prevent (prophylaxis) and to treat leukemia that spreads to the covering of the brain and spinal cord (meninges).
to treat non-Hodgkin lymphoma
in combination with other chemotherapy medicines to treat osteosarcoma

in adults:

in combination with other chemotherapy medicines to treat breast cancer
alone to treat squamous cell carcinoma of the head and neck
in combination with other chemotherapy medicines to treat gestational trophoblastic neoplasia

Methotrexate Injection is a prescription medicine used:

in adults to treat rheumatoid arthritis (RA)
in children to treat polyarticular juvenile idiopathic arthritis (pJIA)
in adults to treat severe psoriasis

Do not receive Methotrexate Injection if you:

have had a severe allergic reaction to Methotrexate Injection. See What is the most important information I should know about Methotrexate Injection?
you are pregnant and are being treated, or will be treated with Methotrexate Injection for rheumatoid arthritis, pJIA, or severe psoriasis, or for any disease other than cancer. Methotrexate Injection can cause harm to an unborn baby including birth defects or death of an unborn baby. See What is the most important information I should know about Methotrexate Injection?

Before you receive Methotrexate Injection, tell your healthcare provider about all of your medical conditions, including if you:

have kidney problems or are receiving dialysis treatments
have liver problems
have a history of neurologic problems, including seizures
drink alcohol-containing beverages during treatment with Methotrexate Injection, or if there are any changes in the amount of alcoholic beverages you drink
have fluid in your stomach-area (ascites)
have lung problems or fluid in your lungs (pleural effusion)
plan to have any surgeries with general anesthesia, including dental surgery
have stomach ulcers (peptic ulcer disease)
have ulcerative colitis
have recently received or are scheduled to receive a vaccine. You should not receive live vaccines during treatment with Methotrexate Injection.
are breastfeeding or plan to breastfeed. Methotrexate may pass into your breast milk. Do not breastfeed during treatment and for 1 week after your last dose of Methotrexate Injection.

Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements. Taking certain medicines can affect the amount of methotrexate in your blood and can increase your risk for serious side effects.

How will I receive or take Methotrexate Injection?

Depending on your medical condition and the dose of Methotrexate Injection that is prescribed by your healthcare provider, Methotrexate Injection can be given to you:
o
through an intravenous (IV) line in your vein
o
by injection into a large muscle (intramuscular injection)
o
injected under your skin (subcutaneous injection)
o
for certain diseases the preservative-free formulation of Methotrexate Injection can also be injected through your spine directly into your spinal fluid.

If you are receiving Methotrexate Injection to treat your cancer:

Your healthcare provider will decide your dose, how you will receive Methotrexate Injection, and how often you need to receive it, depending on your medical condition that is being treated.
If you are receiving high-dose Methotrexate Injection to treat your cancer, you will receive the medicine leucovorin to help prevent severe side effects ("rescue") to your bone marrow and other normal cells in your body. You will also receive intravenous (IV) fluids and other medicines to help prevent and treat side effects.
If you are receiving a "moderate-dose" of Methotrexate Injection to treat your cancer, you may also receive leucovorin.
Do not take folic acid or folinic acid during treatment with Methotrexate Injection to treat your cancer, unless your healthcare provider tells you to. Taking folic acid or folinic acid with Methotrexate Injection may make your treatment less effective.
Your healthcare provider will do blood tests to check for side effects during treatment with Methotrexate Injection.
Your healthcare provider may stop your treatment, change when you receive your treatment, or change the dose of your treatment if you have certain side effects while receiving Methotrexate Injection.

If you are receiving Methotrexate Injection for treatment of severe psoriasis, rheumatoid arthritis, or polyarticular juvenile idiopathic arthritis:

You should receive your Methotrexate Injection dose 1 time each week, not every day. Serious side effects and death have happened in people who mistakenly have taken Methotrexate Injection every day instead of 1 time each week.
Take folic acid or folinic acid every day during treatment with Methotrexate Injection, as instructed by your healthcare provider, to help reduce the chance of developing certain side effects, such as mouth sores.
If you receive too much Methotrexate Injection call your healthcare provider or go to your nearest hospital emergency room right way. You will need to receive a medicine as soon as possible to help reduce side effects that could be severe and could cause death.

In all patients receiving Methotrexate Injection:

If you miss receiving a dose of Methotrexate Injection, call your healthcare provider for instructions about when to receive your next dose of Methotrexate Injection.

What are the possible side effects of Methotrexate Injection?
Methotrexate Injection can cause serious side effects, including:

See What is the most important information I should know about Methotrexate Injection?
Tumor lysis syndrome (TLS). TLS is caused by the fast breakdown of cancer cells. TLS can cause kidney failure and the need for dialysis treatment, abnormal heart rhythm, seizure, and sometimes death. Your healthcare provider may do blood tests to check you for TLS if you are receiving Methotrexate Injection as a cancer treatment. Your healthcare provider will treat you as needed to prevent or manage TLS if you develop it during treatment with Methotrexate Injection.
New (secondary) cancers. New (secondary) cancers can happen in people who take or receive Methotrexate Injection at any dose.
o
Certain blood cancers can happen during treatment with low-dose Methotrexate Injection. In some cases, these blood cancers may completely go away (regress completely) after Methotrexate Injection is stopped.
o
If you develop one of these blood cancers during treatment with Methotrexate Injection, your healthcare provider will stop your treatment, and treat as needed if the new cancer does not go away after Methotrexate Injection is stopped.
Increased risk of soft tissue and bone problems due to receiving Methotrexate Injection in combination with radiation therapy. In people who receive Methotrexate Injection, some soft tissue in your body may die and some bone cells may die. People who receive radiation therapy in combination with Methotrexate Injection have an increased risk of this happening.

The most common side effects of Methotrexate Injection include:

mouth sores or ulcers
nausea
decreased white blood cell count. See What is the most important information I should know about Methotrexate Injection?
upset stomach

Possible fertility problems (infertility) in males and females. Methotrexate Injection can cause fertility problems in males and females, and cause sperm production to stop in males, and menstrual problems in females. In females, your periods (menstrual cycle) may be irregular or completely stop when you receive Methotrexate Injection. Your periods may or may not return to normal following treatment. It is not known if your fertility will return after treatment. Talk to your healthcare provider about your risk for infertility if this is a concern for you.
These are not all of the possible side effects of Methotrexate Injection.
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

General information about the safe and effective use of Methotrexate Injection.
Medicines are sometimes prescribed for purposes other than those listed in a Patient Information leaflet.
You can ask your pharmacist or healthcare provider for information about Methotrexate Injection that is written for health professionals.

What are the ingredients in Methotrexate Injection?
Active ingredient: methotrexate.

Inactive ingredients for Methotrexate Injection Preservative-free: sodium chloride. May contain sodium hydroxide and/or hydrochloric acid to adjust pH to 8.5.
Inactive ingredients for Methotrexate Injection with Preservative: benzyl alcohol and sodium chloride. May contain sodium hydroxide and/or hydrochloric acid to adjust pH to 8.5.

Distributed by Hospira, Inc. Lake Forest, IL 60045
LAB-1468-2.0

Logo

For more information, go to www.pfizer.com or call 1-800-438-1985.

Additional Resources

Chat online with Pfizer Medical Information regarding your inquiry on a Pfizer medicine or vaccine.

Speak with a Pfizer Medical Information Professional regarding your Pfizer medicine or vaccine inquiry.

Available 9AM-5PM ET Monday to Friday; excluding holidays.

 

Submit a medical question for a Pfizer medicine or a vaccine. 

The submission will be reviewed during our standard business hours.

To report an adverse event related to a Pfizer product and you are not part of a clinical trial* for this medication, click the link below to submit your information: 
Pfizer Safety Reporting Site

*If you are involved in a clinical trial for either product, adverse events should be reported to your coordinating study site.

If you cannot use the above website to report an adverse event related to a Pfizer medication, please call (800) 438-1985.

You may also contact the U.S. Food and Drug Administration (FDA) directly to report adverse events or product quality concerns either online at www.fda.gov/medwatch or by calling (800) 332-1088.