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Cipro sulfa Lasix alternative Sildenafil, sold as the brand name Viagra among others, is a medication used to treat erectile dysfunction and pulmonary arterial hypertension. It is unclear if it is effective for treating sexual dysfunction in women. Sildenafil citrate is a white to off-white crystalline powder with a solubility of 3.5 mg/mL in water and a molecular weight of 666.7. VIAGRA is formulated as blue, film-coated rounded-diamond-shaped tablets equivalent to 25 mg, 50 mg and 100 mg of sildenafil for oral administration. Detailed Sildenafil dosage information for adults and the elderly. Includes dosages for Erectile Dysfunction and Pulmonary Hypertension; plus renal, liver and dialysis adjustments. The primary indication of sildenafil is treatment of erectile dysfunction (inability to sustain a satisfactory erection to complete intercourse). Its use is now one of the standard treatments for erectile dysfunction, including for men with diabetes mellitus. Rare but serious adverse effects found through postmarketing surveillance include prolonged erections, severe low blood pressure, myocardial infarction (heart attack), ventricular arrhythmias, stroke, increased intraocular pressure, and sudden hearing loss. Care should be exercised by people who are also taking protease inhibitors for the treatment of HIV infection. Protease inhibitors inhibit the metabolism of sildenafil, effectively multiplying the plasma levels of sildenafil, increasing the incidence and severity of side effects. Those using protease inhibitors are recommended to limit their use of sildenafil to no more than one 25 mg dose every 48 hours. blocker (typically prescribed for hypertension or for urologic conditions, such as benign prostatic hypertrophy) at the same time may lead to low blood pressure, but this effect does not occur if they are taken at least 4 hours apart. Initial dose: 50 mg orally once a day, as needed, 1 hour prior to sexual activity Maintenance: 25 to 100 mg orally once a day, as needed, 1 hour prior to sexual activity Comments: This drug may be taken anywhere from 30 minutes to 4 hours before sexual activity. Use: Treatment of erectile dysfunction Revatio (R): Oral: -Initial dose: 5 or 20 mg orally three times a day, 4 to 6 hours apart -Maximum dose: 20 mg orally three times a day Injection: -Initial dose: 2.5 or 10 mg IV bolus three times a day Comments: -No greater efficacy was achieved with oral doses higher than the maximum recommended dose. -A 10 mg injection dose is predicted to provide pharmacological effect equivalent to the 20 mg oral dose. Use: Treatment of PAH (WHO Group I) in adults to improve exercise ability and delay clinical worsening Initial dose: 25 mg orally once a day 1 hour prior to sexual activity Use: Treatment of erectile dysfunction Erectile dysfunction: -Mild to moderate renal dysfunction (Cr Cl 30 to less than 80 m L/min): No adjustment recommended. -Severe renal dysfunction (Cr Cl less than 30 m L/min): 25 mg orally once a day 1 hour prior to sexual activity Pulmonary Arterial Hypertension: Revatio (R): -No adjustment recommended. Erectile dysfunction: -Initial dose: 25 mg orally should be considered in patients with any degree of hepatic impairment Pulmonary Arterial Hypertension: Revatio (R): -Mild to moderate hepatic dysfunction (Child-Pugh Class A and B): No adjustment recommended. -Severe hepatic dysfunction (Child-Pugh Class C): Has not been studied Concomitant administration with alpha blockers: -Initial dose: 25 mg orally 1 hour prior to sexual activity -Patients should be stable on alpha blocker therapy prior initiating treatment with this drug. Sildenafil maximum dose Side Effects of VIAGRA® sildenafil citrate Safety Info, Viagra Sildenafil Citrate Side Effects, Interactions. Buy antabuse australiaPrednisolone 21-acetateCialis or viagra or levitraOrder cheap lisinopril Sildenafil citrate was the first oral agent to be introduced for the treatment of. The maximum recommended dosing frequency is once per day.4. How often can I take Sildenafil? - Mens Pharmacy Blog. Sildenafil Dosage Guide with Precautions -. Viagra Sildenafil Citrate Side Effects, Interactions, Warning.. The maximum recommended dose is 100 mg. The maximum recommended dosing frequency is once per day. If Sildenafil is taken with food, the onset of activity. Buy Viagra Online. Lowest Prices. 100% Secure and Anonymous Viagra online. Bonus pills with every order! 2018 price discount. For most patients, the recommended dose of VIAGRA is 50 mg taken as needed. The maximum recommended dose is 100 mg. Dosage may be decreased to 25.