 |
Levitra |
Viagra |
| Manufacturer |
Bayer |
Pfizer |
| Date Introduced |
April 2003 |
March 1998 |
| Dosage |
5 mg, 10 mg, 20 mg |
50 mg, 100 mg |
| Approx. time until active |
16-40 minutes |
30-40 minutes |
| Duration Of Effectiveness |
4-12 Hours |
4 Hours |
| Success rate |
72-90 % |
60-80 % |
| Reported Side Effects |
Headache, Flushing, Dyspepsia, Nasal Congestion |
Congestion, Diarrhea, Flushing, Headaches, Urinary Tract Infection, Bluish Vision |
| Contraindications |
Any Nitrate-Based Medicine |
Any Nitrate-Based Medicine |
