What are the possible side effects of CAVERJECT IMPULSE?

CAVERJECT IMPULSE may cause serious side effects, including:

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an erection that will not go away. If you have an erection that lasts more than 4 hours, get medical help right away. If it is not treated right away, this condition can permanently damage your penis.

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deformed penis shape (penile fibrosis). Your healthcare provider should check your penis regularly for signs of penile fibrosis. You should not continue to use CAVERJECT IMPULSE if you get penile fibrosis.

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low blood pressure (hypotension)

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injection site bleeding. People who take certain medicines called anticoagulants (such as heparin or warfarin) may have a risk for increased bleeding at the injection site.

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increased risk of heart problems. Sexual activity can put an extra strain on your heart, especially if your heart is weak from a heart attack or heart disease. Ask your healthcare provider if your heart is healthy enough to handle the extra strain of having sex. Stop sexual activity and get medical help right away if you get symptoms of a heart problem such as chest pain, dizziness or nausea.

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needle breakage. There is a possibility of needle breakage with use of CAVERJECT IMPULSE. To best avoid breaking the needle, you should pay careful attention to your healthcare provider's instructions and handle the syringe and needle properly. If the needle is bent at any time, do not attempt to straighten it and do not use it. A bent and re-straightened needle is more likely to break. Remove the needle from the syringe, discard, and attach a new, unused sterile needle to the syringe. If the needle breaks during injection and you are able to see and grasp the broken end, you should remove it and contact your healthcare provider. If you cannot see or cannot grasp the broken end, you should promptly contact your healthcare provider.

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benzyl alcohol toxicity. Benzyl alcohol is a preservative in CAVERJECT IMPULSE. Benzyl alcohol has caused serious side effects, including death, in children, especially premature and low-birth weight infants, who have received the preservative benzyl alcohol. CAVERJECT IMPULSE is not meant for use in children.

CAVERJECT IMPULSE does not protect you or your partner from getting sexually transmitted infections, including HIV-the virus that causes AIDS.

The most common side effects of CAVERJECT IMPULSE include:

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penile pain

These are not all the possible side effects of CAVERJECT IMPULSE.

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.