What are the possible side effects of ESTRING?

If you experience any of the following side-effects, immediately remove ESTRING if possible and contact your healthcare provider. If you experience difficulty or pain when trying to remove the ring please do not continue and contact your healthcare provider:

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Cases of toxic shock syndrome (TSS) have been reported in women using vaginal rings. Toxic shock syndrome is a rare but serious illness caused by a bacterial infection. Symptoms of TSS include fever, nausea, vomiting, diarrhea, muscle pain, dizziness, faintness, or a sunburn-like rash on face and body.

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Cases of the vaginal ring becoming attached to the vaginal wall, making ring removal difficult, have occurred. Some women have needed surgery to remove vaginal rings.

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Cases of erosion (wearing away) and ulceration (holes) of the vaginal lining have also occurred. Symptoms of vaginal erosion and ulceration can include vaginal pain or soreness, vaginal bleeding, and redness, swelling, or scrapes in the vagina.

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Cases of bowel obstruction have been reported.

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Severe allergic reactions have been reported including skin rash, giant hives, swelling of the eyelids, face, lips, tongue or throat.

The most frequently reported side effect with ESTRING use is increased vaginal secretions. Many of these vaginal secretions are like those that occur normally prior to menopause and indicate that ESTRING is working. Vaginal secretions that are associated with a bad odor, vaginal itching, or other signs of vaginal infection are NOT normal and may indicate a risk or a cause for concern. Other side effects may include vaginal discomfort, abdominal pain, or genital itching.