Warnings


What may interact with Femring?

Do not take this medicine with any of the following medications:
-aromatase inhibitors like aminoglutethimide, anastrozole, exemestane, letrozole, testolactone, vorozole

This medicine may also interact with the following medications:
-carbamazepine
-certain antibiotics used to treat infections
-certain barbiturates used for inducing sleep or treating seizures
-grapefruit juice
-medicines for fungus infections like itraconazole and ketoconazole
-raloxifene or tamoxifen
-rifabutin, rifampin, or rifapentine
-ritonavir
-St. John''s Wort

What should I tell my health care provider before I take Femring?

They need to know if you have any of these conditions:
-abnormal vaginal bleeding
-blood vessel disease or blood clots
-breast, cervical, endometrial, ovarian, liver, or uterine cancer
-dementia
-diabetes
-gallbladder disease
-heart disease or recent heart attack
-high blood pressure
-high cholesterol
-high level of calcium in the blood
-hysterectomy
-kidney disease
-liver disease
-migraine headaches
-protein C deficiency
-protein S deficiency
-stroke
-systemic lupus erythematosus (SLE)
-tobacco smoker
-an unusual or allergic reaction to estrogens, other hormones, medicines, foods, dyes, or preservatives
-pregnant or trying to get pregnant
-breast-feeding

What should I watch for while using Femring?

Visit your doctor or health care professional for regular checks on your progress. You will need a regular breast and pelvic exam and Pap smear while on this medicine. You should also discuss the need for regular mammograms with your health care professional, and follow his or her guidelines for these tests.

This medicine can make your body retain fluid, making your fingers, hands, or ankles swell. Your blood pressure can go up. Contact your doctor or health care professional if you feel you are retaining fluid.

If you have any reason to think you are pregnant, stop taking this medicine right away and contact your doctor or health care professional.

Smoking increases the risk of getting a blood clot or having a stroke while you are taking this medicine, especially if you are more than 35 years old. You are strongly advised not to smoke.

If you wear contact lenses and notice visual changes, or if the lenses begin to feel uncomfortable, consult your eye doctor or health care professional.

This medicine can increase the risk of developing a condition (endometrial hyperplasia) that may lead to cancer of the lining of the uterus. Taking progestins, another hormone drug, with this medicine lowers the risk of developing this condition. Therefore, if your uterus has not been removed (by a hysterectomy), your doctor may prescribe a progestin for you to take together with your estrogen. You should know, however, that taking estrogens with progestins may have additional health risks. You should discuss the use of estrogens and progestins with your health care professional to determine the benefits and risks for you.

If you are going to have surgery, you may need to stop taking this medicine. Consult your health care professional for advice before you schedule the surgery.

You may bathe or participate in other activities while using this medicine. You do not need to remove the vaginal ring during sexual or other activities unless you are more comfortable doing so. Within the 90-day dosage period, you may remove the vaginal ring, rinse it with clean lukewarm (not hot or boiling) water, and re-insert the ring as needed.

Where should I keep my medicine?

Keep out of the reach of children.

Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Throw away any unused medicine after the expiration date.