What side effects may I notice from receiving Muse?

Side effects that you should report to your doctor or health care professional as soon as possible:

-allergic reactions (skin rash, itching or hives; swelling of the face, lips, or tongue)
-fast, irregular heartbeat
-low blood pressure (dizziness; feeling faint or lightheaded, falls; unusually weak or tired)
-prolonged or painful erection
-swelling of the ankles, feet, legs
-trouble passing urine
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

-aching in the penis, testicles, legs, or in the perineum (area between the penis and rectum)
-redness of the penis due to increased blood flow
-small amount of bleeding or spotting from the penis due to improper use
-warmth or burning sensation at site of insertion

This list may not describe all possible side effects for Muse. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.