Potential Side Effects and Precautions

Seek immediate medical attention if you experience a prolonged erection (lasting more than 4 hours) or sudden vision loss. These are serious side effects requiring prompt medical intervention.

Common side effects include headache, flushing, nasal congestion, and upset stomach. These are generally mild and temporary. If they persist or worsen, contact your doctor.

Before taking generic Viagra, inform your doctor about all your health conditions, especially if you have heart problems, high or low blood pressure, liver or kidney disease, or a history of stroke. Certain medications can also interact negatively with Viagra; disclose all medications you are currently taking.

Medication Interactions

Grapefruit juice can increase Viagra’s effects, potentially leading to side effects. Avoid grapefruit while taking this medication.

Medication Type Potential Interaction
Nitrates Dangerous drop in blood pressure
Alpha-blockers Increased risk of low blood pressure
Certain antifungals Increased Viagra levels in the blood

Alcohol Consumption

Excessive alcohol consumption can worsen side effects and reduce the medication’s effectiveness. Moderate alcohol intake is generally acceptable, but consult your doctor for personalized guidance.

Always follow your doctor’s prescribed dosage. Do not exceed the recommended dose, and never take more than once a day.