Vardenafil hydrochloride

Vardenafil hydrochloride (pronunciation: var-DEN-a-fil hye-droe-KLOR-ide) is a medication used to treat erectile dysfunction in men. It belongs to a class of drugs known as phosphodiesterase type 5 inhibitors (PDE5 inhibitors).

Etymology

The term 'Vardenafil' is derived from the combination of variable parts of the names of the compounds used in the synthesis of the drug. The 'hydrochloride' part of the name refers to the presence of a hydrochloride salt, which is commonly used in pharmaceuticals to improve the solubility of the active ingredient.

Pharmacology

Vardenafil hydrochloride works by increasing blood flow to the penis when a man is sexually stimulated. It does this by blocking the enzyme phosphodiesterase-5, which can interfere with optimal blood flow. The increased blood flow can lead to an erection.

Related Terms

• Erectile Dysfunction: A condition where a man is unable to achieve or maintain an erection suitable for sexual intercourse.
• Phosphodiesterase type 5 inhibitors (PDE5 inhibitors): A class of drugs that inhibit the enzyme phosphodiesterase type-5, which plays a role in regulating blood flow in the penis.
• Sildenafil: Another drug in the PDE5 inhibitor class, commonly known by the brand name Viagra.
• Tadalafil: Another drug in the PDE5 inhibitor class, commonly known by the brand name Cialis.

Side Effects

Like all medications, Vardenafil hydrochloride can cause side effects. Common side effects include headache, flushing, stuffy or runny nose, and upset stomach. More serious side effects can include vision changes and an erection that lasts longer than 4 hours.

See Also

• Pharmacology
• Erectile Dysfunction
• Sildenafil
• Tadalafil

External links

• Medical encyclopedia article on Vardenafil hydrochloride
• Wikipedia's article - Vardenafil hydrochloride

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