Comparison of viagra and levitra - Sexual Dysfunction - PDE-5 Inhibitors Comparison
Although sildenafil citrate Viagravardenafil HCl Levitra and tadalafil Cialis sometimes are called sexual enhancers, they do not directly cause an erection of the penis, but alter the body's response to sexual stimulation by enhancing the effect of the nitric oxide, a chemical that is normally released during stimulation.
Viagra, Cialis, Levitra Working Mechanism 1
levitra Nitric oxide causes relaxation of the muscles in the penis, which allows for better blood flow to the penile area. And inhibitors can be used to treat sexual dysfunction caused by high blood pressure, problems affecting nerve function, prostate surgery, side effects of medicines, emotional or psychological ED.
Although they viagra in the comparison way, they are not the same in all respects.
Sildenafil and vardenafil have similar molecular structures, but tadalafil is structurally different. Several studies have shown a benefit of Viagra sildenafil for women with sexual arousal disorder, including an increased ability to lubricate, comparison of viagra and levitra, achieve orgasm, and experience sexual satisfaction.
Fatty food is known to delay the absorption of Viagra.
Contraindicated in persons comparison organic nitrates; alpha-blockers in the current labeling the interaction is considered a Precaution. Vision disturbances are more common after taking Viagra, than after other PDE-5 inhibitors.
In Julythe FDA found that sildenafil could lead viagra vision impairment in rare cases and a number of studies have linked sildenafil use with nonarteritic anterior and optic neuropathy. The patent levitra Viagra expires in the early Levitra Vardenafil Vardenafil is more potent and selective biochemically than other PDE-5 inhibitors. Duration of action is up to hours, little longer than that reported for Viagra.
Not recommended in patients taking type 1A such as quinidine, or procainamide or type 3 antiarrhythmics such as sotalol, or amiodarone. The advantage that vardenafil has over sildenafil is that it comparisons not alter and perception, a rare side effect which occurs levitra sildenafil because vardenafil does not inhibit phosphodiesterase Vardenafil is contraindicated in patients taking organic nitrates, alpha-blockers in the current labeling the interaction viagra considered a Precaution.
Fatty food delays the absorption of vardenafil, comparison of viagra and levitra.
Levitra vs Viagra
However, it is less sensitive than Viagra to food intake. The patent on Levitra expires in Cialis Tadalafil The most astounding feature of tadalafil is its length of action. It has long half life, which ensures hour duration of effectiveness, allowing for more flexibility and spontaneity in sexual relations.
and This feature greatly distinguishes Viagra from its two predecessors Viagra and Levitra. Tadalafil has the lowest prevalence of comparison side effects. Tadalafil is contraindicated in patients taking organic nitrates, alpha-blockers.
viagra Cialis is protected levitra a patent until From a safety perspective, all three Viagra, Levitra and Cialis comparison similar drug interactions involving CY3A4 inhibitors and a contraindication in the use of nitrates. The side effects are similar for all three PDE-5 inhibitors and include headache, flushing, and congestion, and dyspepsia.
A comparison dose of 5 mg is available for men who take levitra medicines or have conditions that may decrease the body's ability viagra use the drug. Levitra is also available in a 2. and
None of these PDE-5 inhibitors levitra be used more than once a day, comparison of viagra and levitra. Side effects include headache, flushing, dyspepsia, and nasal congestion. Viagra abnormalities are encountered comparison Viagra, but are less likely with And and unlikely with Cialis. Flushing and dyspepsia that are associated with Viagra and Levitra are less common with Cialis. Back pain and muscle aches myalgia may occur with Cialis, but are unusual with either Viagra or Levitra.
Side comparisons of Cialis tend viagra last longer, but are less marked than with the other drugs. Precautions and contraindications All PDE-5 inhibitors are absolutely contraindicated in persons who take organic nitrates, comparison of viagra and levitra, levitra they induce vasodilation.
However, persons on alpha-blockers must be on a stable dose of alpha-blocker prior to using a PDE-5 inhibitor. Since both Viagra and Levitra have moderate vasodilatory and hypotensive effects, they should not be given in the presence of marked arterial or orthostatic hypotension, and should only be administered with caution in aortic stenosis or hypertrophic obstructive cardiomyopathy.
Men who have had a heart attack or stroke within the past 6 months and those with certain medical conditions e. Dosages of the drug should be limited in patients with kidney or liver disorders.
Conclusions The differences between the 3 drugs are not great, comparison of viagra and levitra. All appear to be effective and safe.
Erectile Dysfunction: Medicines to Treat ED
Levitra has less side effects compared to Viagra and lasts about and same time as Viagra in the body. Cialis has few side effects and lasts longer in the body to increase spontaneity than either Levitra or Viagra and there is viagra reduction in absorption when Cialis is taken with food. However, comparison of viagra and levitra, the longer half-life imposes increased comparison for levitra interactions.
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