Generic Viagra, containing sildenafil, is generally well-tolerated, but side effects can occur. These are usually mild and temporary.
Common Side Effects
- Headache: This is the most frequently reported side effect. Facial flushing: Your skin may become red. Indigestion: You might experience heartburn or upset stomach. Nasal congestion: A stuffy or runny nose is possible. Visual disturbances: Blurred vision or changes in color perception may occur.
These typically resolve on their own. If they persist or worsen, consult your doctor.
Less Common but Serious Side Effects
While rare, some individuals experience more serious side effects. Seek immediate medical attention if you experience:
Sudden vision loss. Prolonged or painful erection (priapism). Chest pain or shortness of breath. Irregular heartbeat. Hearing loss.
Drug Interactions
Sildenafil can interact negatively with certain medications, particularly nitrates used to treat heart conditions. Always inform your doctor of all medications you are taking before starting sildenafil.
Individual Reactions
The intensity and type of side effects vary from person to person. Factors like age, overall health, and other medications can influence your experience.
