What is React: Uses, Warnings & Interactions

Follow the instructions on the medicine label if you are using this medicine without a prescription.

Take the first tablet as soon as possible after unprotected sex, unless directed otherwise by your doctor. Take the second tablet 12 hours after the first tablet.

You may take the pills with food or milk to avoid stomach upset.

If you vomit within one hour of taking either dose of this medicine, call your doctor to ask if you should repeat that dose.

Call your doctor for instructions.

Keep all medicine out of the reach of children.

You should not use levonorgestrel if you have had an allergic reaction to it, or to other progestin drugs, such as progestogen oral contraceptives (Ovrette®, Micronor®, Nor-QD®), progesterone, megestrol, or medroxyprogesterone. You should not use levonorgestrel if you are already pregnant, or have unusual vaginal bleeding.

Tell your doctor if you have ever had a tubal pregnancy, or if you are breastfeeding or have diabetes.

Levonorgestrel is used to prevent pregnancy within 72 hours after unprotected sex. If you are already pregnant, this medicine will not end your pregnancy.

This medicine is an emergency method of preventing pregnancy, and should not be your regular method of birth control.

Levonorgestrel will not protect you or your partner from diseases such as syphilis, herpes, or HIV (the virus that causes AIDS).

After using this medicine, you should have your next period at the expected time. If your next period is more than one week late, check with your doctor. You may be pregnant.

You may have spotting a few days after using this medicine. With your next period, you may bleed a little more or a little less than usual.

Make sure your doctor knows if you are using phenytoin (Dilantin®), carbamazepine (Tegretol®), or rifampin. These medicines may make levonorgestrel less effective.

Levonorgestrel is used to prevent pregnancy within 72 hours after unprotected sex. If you are already pregnant, this medicine will not end your pregnancy.

This medicine is an emergency method of preventing pregnancy, and should not be your regular method of birth control.

Levonorgestrel will not protect you or your partner from diseases such as syphilis, herpes, or HIV (the virus that causes AIDS).

After using this medicine, you should have your next period at the expected time. If your next period is more than one week late, check with your doctor. You may be pregnant.

You may have spotting a few days after using this medicine. With your next period, you may bleed a little more or a little less than usual.