What is vardenafil made of?
In addition to the active ingredient, vardenafil HCl, each tablet contains microcrystalline cellulose, crospovidone, colloidal silicon dioxide, magnesium stearate, hypromellose, polyethylene glycol, titanium dioxide, yellow ferric oxide, and red ferric oxide.
What is the chemical formula for Viagra?
C22H30N6O4S
Sildenafil/Formula
What is the difference between Sildenafil and vardenafil?
The most commonly reported adverse effects with sildenafil are headache, flushing and dyspepsia. Vardenafil is more potent and more selective than sildenafil at inhibiting phosphodiesterase-5. Vardenafil is similarly effective to sildenafil in the treatment of ED.
What drug class is vardenafil?
Vardenafil is in a class of medications called phosphodiesterase (PDE) inhibitors. It works by increasing blood flow to the penis during sexual stimulation. This increased blood flow can cause an erection. Vardenafil does not cure erectile dysfunction or increase sexual desire.
How much Vardenafil is too much?
Adults up to 65 years—10 mg as a single dose, no more than once per day, approximately 1 hour before sexual activity. Your doctor may adjust your dose if needed. However, the dose is usually not more than 20 mg once per day.
What is the scientific name of Viagra?
Sildenafil, sold under the brand name Viagra among others, is a medication used to treat erectile dysfunction and pulmonary arterial hypertension.
Is vardenafil more potent than sildenafil?
Smaller doses of vardenafil than sildenafil are used to treat ED, as vardenafil is more potent than sildenafil in inhibiting PDE5.
How many vardenafil can I take?
In order for Vardenafil to be effective, sexual stimulation is required. The recommended dose is 10 mg taken as needed approximately 25 to 60 minutes before sexual activity. Based on efficacy and tolerability the dose may be increased to 20 mg or decreased to 5 mg. The maximum recommended dose is 20 mg.
What are the names of the drugs that contain vardenafil?
Product(s) containing vardenafil: vardenafil systemic. Brand names: Levitra, Staxyn. Drug class(es): impotence agents. Vardenafil systemic is used in the treatment of: Erectile Dysfunction.
Are there any side effects to taking vardenafil?
Other representative side effects of vardenafil are headache, flushing, rhinitis, and fever caused by angiectasia [1], [4], [5]. The metabolism of vardenafil mainly occurs in the liver by the cytochrome P450 [6], and the elimination half-life is 4–5 h [2].
Where does the metabolism of vardenafil take place?
The metabolism of vardenafil mainly occurs in the liver by the cytochrome P450, and the elimination half-life is 4–5 h. After oral administration, almost all the metabolites are excreted through feces, and approximately 2–6% of the dosage is excreted in the urine,. The renal clearance of vardenafil is 2.3 L/h.
What is the mechanism of action of tadalafil?
Tadalafil is a Phosphodiesterase 5 Inhibitor. The mechanism of action of tadalafil is as a Phosphodiesterase 5 Inhibitor. IntrocuctionTadalafil is a selective inhibitor of phosphodiesterase type 5 (PDE5) and is used as therapy of erectile dysfunction and pulmonary hypertension.