Seek immediate medical help if you experience any of the following:
- Chest pain: This could indicate a heart attack. Don’t delay; call emergency services immediately. Sudden vision loss: Complete or partial loss of vision in one or both eyes needs urgent attention. This can be a sign of serious eye problems. Prolonged erection (priapism): An erection lasting more than four hours requires immediate medical care. This can cause permanent damage. Sudden hearing loss: A sudden decrease or loss of hearing, particularly accompanied by ringing in the ears (tinnitus), requires immediate medical evaluation. Severe dizziness or fainting: These symptoms suggest a potentially dangerous drop in blood pressure and necessitate prompt medical attention.
Other Serious Side Effects
While not always requiring immediate emergency care, the following side effects still merit a call to your doctor as soon as possible:
- Severe headache: A sudden, intense headache could indicate a serious problem. Nausea and vomiting: Persistent or severe nausea and vomiting warrant a check-up. Seizures: Any seizure activity should be reported to your physician immediately.
When to Contact Your Doctor
Contact your doctor if you experience any side effects that concern you, even if they aren’t listed above. Open communication with your healthcare provider is vital for safe and effective treatment.
Describe your symptoms clearly. Note the timing of the symptoms in relation to Viagra use. Mention any other medications you are taking.


