Levitra seems to work for men with many different types of erectile dysfunction. Uprima is a fairly new revolutionary drug used to treat Erectile Dysfunction also.

Levitra stayed active and working in the system for an average of 12 hours in patients 65 years or older, and 9 and a half hours in younger participants. Uprima facilitates the erection in 18 minutes as it is placed under the tongue.Levitra seems to work for men with many different types of erectile dysfunction. Uprima is a fairly new revolutionary drug used to treat Erectile Dysfunction also.

Levitra acts in the same way as Viagra, by blocking an enzyme called phosphodiesterase-5, or PDE-5. This helps the smooth muscles in the penis to relax, which effectively increases blood flow. Uprima acts on the central nervous system. It facilitates the sending from the hypothalamus, of the sign that increases the sanguine flow in the sexual organ, thanks to which the erection takes place.

DRUGS	CIALIS	LEVITRA	UPRIMA	VIAGRA
Manufacturer	Lilly Icos	Bayer	Abbott Laboratories	Pfizer
Date Introduced	Feb 2003	April 2003	June 2001	March 1998
Dosage	5mg,10mg,20mg	5mg, 10mg,20mg	2mg,3mg	50mg,100mg
Average Approx. Absorbtion Rate	20 Minutes	40 Minutes	20 Minutes	40 Minutes
Duration Of Effectiveness	36 Hours	4 Hours	4 Hours	4 Hours
Reported Side Effects	Headache, Myalgia, Dyspepsia, Back Pain	Headache, Flushing, Dyspepsia, Nasal Congestion	Headache, Nausea, Dizziness	Congestion, Diarrhea, Flushing, Headaches, Urinary Tract Infection, Bluish Vision
Contraindications	Any Nitrate-Based Medicine, Angina, Hypertension, Hypotension	Any Nitrate-Based Medicine	Angina, Myocardial Infarction, Anti-Hypertensive Nitrates	Any Nitrate-Based Medicine

Levitra, by comparison, works for 72-90 per cent of men the first time and goes on to work 95 per cent of the time. Uprima brings a man to arousal three times faster than Viagra. Also helps thousands of impotent men with heart disease who cannot take Viagra, because it doesn't clash with medication they are taking.

Levitra comes with side effects that have been associated with headache, facial flushing, and mild indigestion. With Uprima, there are reported mild dizziness, nausea and headaches.

Levitra comes in the strength of 5mg, 10mg and 20 mg. 4 or 8 comp. whereas Uprima is available in 2mg and 3mg, Boxes of 2 and 4 pills