viagra relaxes the smooth muscles and arteries inside the penis , it also increases blood flow to the penis. When aroused, this combination of relaxation and increased blood flow allows the penis to fill with blood, which results in an erection.
| Manufacturer | Pfizer |
|---|---|
| Brand Name | Viagra |
| Dosage | as prescribed |
| Dosage Form | tablet |
| Size | 12 tablet |
| Active Ingredients | 50 mg sildenafil |
| Side Effects | headache and back pain |
| Contraindications | hearing loss. significant uncontrolled high blood pressure. |
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