Always discuss potential side effects with your doctor before starting Viagra. Common side effects include headache, flushing, nasal congestion, and visual disturbances. These are usually mild and temporary.
More serious, though rare, side effects include:
- Prolonged erection (priapism) – Seek immediate medical attention if an erection lasts longer than four hours. Sudden vision loss or hearing loss – Stop taking Viagra and contact your doctor immediately. Heart attack or stroke – Viagra may increase the risk in individuals with pre-existing heart conditions. Discuss your heart health with your physician before using this medication.
Viagra can interact with other medications. Avoid using it with nitrates (used for chest pain) as this combination can cause a dangerous drop in blood pressure. Other potential interactions include:
Alpha-blockers (used to treat high blood pressure and enlarged prostate): Your doctor may need to adjust your dosage. Certain antifungal medications: HIV protease inhibitors: Some antibiotics:
Always provide your doctor with a complete list of your medications, including over-the-counter drugs and supplements, to minimize the risk of interactions.
If you experience any unexpected or concerning side effects, contact your doctor or pharmacist without delay.
