| Brand Name |
Viagra |
Cialis |
Levitra |
| Active Ingredient |
Sildenafil Citrate |
Tadalafil |
Vardenafil |
| Dosage Strength |
100mg |
20mg |
20mg |
| Duration of Action |
4 to 6 hours |
Up to 30 hours |
Approximately 5 hours |
| Side Effects |
Dizziness,f lushing, headache,
heartburn, stuffy nose, upset
stomach. |
Headache, facial flushing, indigestion, back pain, nasal congestion muscle pain, pain in arms or legs. |
Dizziness, flushing, headache, heartburn, nausea, stuffy or runny nose, upset stomach |
| Available as |
Tablets, oral jellies and soft tabs |
Tablets and soft tabs |
Tablets |
| Generic Presentations |
Generic Viagra, Kamagra, Kamagra Oral Jelly Caverta, Silagra Edegra, Penegra, Zenegra |
Generic Cialis, Cialis Soft Tabs |
Generic Levitra |
|
