Viagra 100mg is a prescription medication commonly used to treat erectile dysfunction (ED) in men. The active ingredient, sildenafil, belongs to a class of drugs called PDE5 inhibitors, which work by increasing blood flow to the penis during sexual arousal. This helps men achieve and maintain an erection. Typically, Viagra 100 mg is taken 30 to 60 minutes before sexual activity, but it should not be taken more than once per day. Common side effects include headaches, flushing, nasal congestion, and dizziness. Always consult your doctor before using Viagra 100 mg, especially if you have heart or kidney problems.
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How Viagra 100 mg Works
When a man is sexually aroused, nitric oxide is released in the penis, which activates an enzyme that increases blood flow. Viagra 100mg helps prolong this effect, ensuring that the blood vessels in the penis remain dilated and blood is properly directed to the area. This helps men with ED achieve and maintain an erection during sexual activity.
The standard Viagra 100 mg dose is typically taken 30 minutes to 1 hour before planned sexual activity. However, the dosage may vary based on individual needs and response. For those who experience side effects, doctors may recommend a lower dose. It is not recommended to take more than one dose per day, as higher doses can increase the risk of side effects.
Possible Side Effects
Common side effects of Viagra 100 mg include:
Headache
Flushing
Upset stomach
Nasal congestion
Visual disturbances (such as blurred vision)
More serious side effects, though rare, may include sudden hearing loss or an erection lasting more than 4 hours, requiring immediate medical attention.
Precautions and Warnings
Before taking Viagra 100 mg, inform your doctor if you have any history of:
Heart problems (such as heart attack or stroke)
High or low blood pressure
Liver or kidney disease
Retinal diseases (such as retinitis pigmentosa)
Men taking nitrates or certain other medications should avoid using Viagra 100 mg due to the risk of severe interactions.
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