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|Appearance:||White Crystalline Powder||Assay:||99%|
Raw Steroid Powder Hormones Vardenafil Male Enhancement Steroids CAS 224785-91-5
Vardenafil ---Quick Details:
Vardenafi Alias: Levitra; Fardenafil
Vardenafi CAS: 224785-91-5
Vardenafi MF: C23H32N6O4S
Vardenafi MW: 525.06
Vardenafi Assay: 99%
Vardenafi Characteristics: white crystal powder
Vardenafi Use: It is the new medicine for ED(erectile dysfunction).
Vardenafi Advantages: less dosage (20mg); quick effect (15-30mins), without side-effect, different individuals have different response, 2% of patients will feel headache; melt in water and ethanol; the ideal raw materials for developing and producing speedy pharmaceutical health tablets of tonifying kidney and Yang; last for 6 hours
What is ---Vardenafil?
Vardenafil, known under the brand name Levitra is a prescription medication for male erectile dysfunctiontreatment. It belongs to a class of drugs called PDE5 inhibitors. Levitra increases blood flow to the penis, which helps gain and sustain an erection during sex.
Vardenafil's active ingredient works on the chain of reactions within the penis during arousal, when the corpus cavernosa (two large chambers) in the male's penis fills with blood, resulting in an erection.
A penile erection happens when the penis fills with blood. This occurs when the blood vessels that supply the penis with blood expand (dilate), and the vessels that take blood away from the penis contract, resulting in an accumulation of blood in the penis.
History of ---Vardenafil:
Vardenafil was initially a co-marketing arrangement between three pharmaceutical companies - Bayer, GSK (GlaxoSmithKline) and Schering Plough (today part of Merck and Co.) - under the trade name Levitra. GSK returned co-promotion rights to Bayer in many territories outside the USA. Two companies sell Vardenafil in Italy under two different brand names - Levitra (Bayer) and Vivanza (GSK).
How to Use ---Vardenafil?
Use vardenafil as directed by your doctor. Check the label on the medicine for exact dosing instructions.
An extra patient leaflet is available with vardenafil. Talk to your pharmacist if you have questions about this information.
Take vardenafil by mouth with or without food.
Take vardenafil about 1 hour before sexual activity.
Do not take vardenafil more often than once daily, or as directed by your doctor.
Check with your doctor before you eat grapefruit or drink grapefruit juice while you use vardenafil.
If you miss a dose of vardenafil and you still intend to engage in sexual activity, take it as soon as you remember. Continue to take it as directed by your doctor.
Ask your health care provider any questions you may have about how to use vardenafil.
The common, adverse drug reactions (side effects) are the same as with other PDE5 inhibitors. The frequent vardenafil-specific side-effect is nausea; the infrequent side effects are abdominal pain, back pain, photosensitivity, abnormal vision, eye pain, facial edema, hypotension, palpitation, tachycardia, arthralgia, myalgia, rash, itch, and priapism.
One possibly serious, but rare, side effect with vardenafil is heart attack. Also, in rare cases, vardenafil use may cause priapism, a very painful emergency condition that can cause impotence if left untreated.
On 18 October 2007, the U.S. Food and Drug Administration (FDA) announced that a warning about possible deafness (sudden hearing loss) would be added to the drug labels of vardenafil, and other PDE5 inhibitors.
Usual Adult Dose for Erectile Dysfunction
---Initial dose: 10 mg orally once a day, as needed, approximately 60 minutes before sexual activity. Increase to 20 mg or decrease to 5 mg based on efficacy and tolerability.
-Maximum dose: 20 mg once a day
Patients on stable alpha blocker therapy:
---Initial dose: 5 mg orally once a day
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