What is the dose of sildenafil (Kamagra)?

Metabolism (breakdown) of kamagra, sildenafil is slowed by aging, liver and kidney dysfunction, and concurrent use of certain medications (such as erythromycin--an antibiotic, and protease inhibitors, for HIV). Slowed breakdown allows sildenafil to accumulate in the body and potentially may increase the risk of side effects. Therefore in men over 65, in men with substantial kidney and liver disease, and in men who also are taking protease inhibitors, the doctor will initiate sildenafil at a lower dose (25 mg) to avoid accumulation of sildenafil in the body. A protease inhibitor ritonavir (Norvir) is especially potent in increasing the accumulation of sildenafil, thus men who are taking Norvir should not take sildenafil, kamagradoses higher than 25 mg and at a frequency of no greater than once in 48 hours.

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