Description
Indication
Viagra is primarily indicated for the treatment of erectile dysfunction.
Dosage
The typical starting dose for Viagra is 50 mg, taken as needed about one hour before sexual activity. However, it can be taken anywhere from 30 minutes to 4 hours before sexual activity.
Side Effects
Common side effects of Viagra include:
- Headache
- Flushing (warmth, redness, or tingly feeling)
- Upset stomach
- Abnormal vision (blurred vision, changes in color vision)
- Stuffy or runny nose
- Muscle pain, back pain
- Nausea
- Dizziness
Serious side effects can include:
- Sudden vision loss
- Sudden hearing loss
- Chest pain, irregular heartbeat
- Shortness of breath
- Light-headed feeling, fainting
Precautions
- Medical History: Inform your doctor if you have a history of heart disease, high or low blood pressure, liver or kidney disease, a blood cell disorder, stomach ulcers, or any physical deformity of the penis.
- Drug Interactions: Do not take Viagra if you are using nitrate drugs for chest pain or heart problems, as this can cause a dangerous drop in blood pressure.
- Alcohol and Grapefruit: Limit alcohol consumption and avoid grapefruit products as they can interact with sildenafil and lead to unwanted side effects.
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