While many side effects are mild, certain symptoms require immediate medical attention.
Seek emergency care right away if you experience:
An erection lasting more than 4 hours (priapism)
Sudden vision loss
Sudden hearing loss
Chest pain
Severe dizziness or fainting
Irregular heartbeat
Symptoms of severe low blood pressure (such as lightheadedness, confusion, or loss of consciousness)
If you believe you may have taken more than the prescribed amount, seek emergency medical care.
For non-urgent concerns or mild side effects, contact your healthcare provider for guidance before taking another dose.


