Common use
Kamagra is a medication to treat erectile dysfunction in men. This an analog version of Viagra, or sildenafil citrate, which is used for treatment of sexual dysfunction in men. Kamagra increases amount of blood passing to the penis.

Dosage and direction
100mg Kamagra dose effects in 45 minutes and last during 4-6 hours.

Precautions
Before to take Kamagra notify your doctor if you suffer from allergies, anemia, eye diseases, cancer, high blood pressure or low blood pressure, irregular heart rhythm, heart failure, unstable chest pain, certain eye disorders, deformation of the penis or have history of such conditions or take protease inhibitors for the treatment of HIV. Do not stand up fast from a lying or sitting position. Avoid drinking alcohol as it may worsen side effects. Do not take Kamagra if you have already taken another ED medication. Warn your doctor before to take Kamagra if you use alprostadil (Caverject, Muse, Edex) or yohimbine (Yocon, Yodoxin, others).

Contraindications
Kamagra is contraindicated in patients with allergy to the medication or those who are treated with nitrates (such as nitroglycerin). This combination can result in very low blood pressure that can lead to a stroke, a heart attack, or death. Do not take this medication if you are under 18 y.o.