What should I watch for?
Visit your doctor or health care professional for regular checks on your condition.
If you experience dizziness or feel faint during sexual intercourse, this may be due to the lowering of your blood pressure. Lie down immediately and raise your legs. If symptoms persist, call your doctor promptly.
Contact your doctor or health care professional right away if you have an erection that lasts longer than 4 hours or if it becomes painful. This may be a sign of a serious problem and must be treated right away to prevent permanent damage.
Men should inform their doctors if they wish to father a child. This medicine may be found in human semen and may have the potential for side effects to an unborn child. A female partner should not become pregnant while you are using this medicine. It is also recommended that you do not use this medicine while your partner is pregnant. Inform your doctor if your female partner wishes to become pregnant or think they might be pregnant. Talk to your health care professional or pharmacist for more information. It is recommended that you use a condom during sexual intercourse with a female partner who is of child-bearing age. If you are not using a condom, your female partner may also experience mild vaginal itching or burning.
This medicine does not protect you or your partner against HIV infection (AIDS) or any other sexually transmitted diseases.
Common and Rare Side Effects
Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur:
Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
Bruising or clotted blood in the penis at the injection site, usually caused by an incorrect injection
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.