Be sure to take your time and read everything below. It is essential for you to understand the potential risks and benefits of treatment. Please do not hesitate to reach out to our medical support team if you have ANY questions. Your physician has reviewed your medical information and has prescribed sildenafil to treat erectile dysfunction (ED). This medication helps the majority of patients with erectile dysfunction (ED) achieve and maintain erections satisfactory for sexual activity. It should only be used as directed, only if you have diagnosed ED, and only if you are healthy enough for sexual activity. Viagra (Sildenafil) has been approved “for the treatment of erectile dysfunction (ED), including ED patients with diabetes mellitus or following radical prostatectomy.” (PDR)Viagra is available in doses of 25 mg, 50 mg, and 100 mg. However, generic sildenafil comes only in one size, 20 mg. The most common medications used to treat erectile dysfunction (ED) are Viagra, Cialis, Sildenafil, and Levitra. They belong to a class of drugs called phosphodiesterase 5 inhibitors (PDE5 inhibitors), which will be explained below. An erection occurs when someone is stimulated by an erotic thought or sexual contact. That leads to a series of chemical reactions in the blood vessels of the penis that results in 6 times the blood flow getting trapped in the penis. An erection might last indefinitely if it weren’t for chemicals called phosphodiesterases. They work at reversing the process that keeps the penis erect. Usually there is a balance between the chemicals that cause an erection and those that would return the penis to being flaccid. They pull in opposite directions with one dominating over the other in a perfect sequence that lets a man have an erection as long as it is needed. Valacyclovir tablet Tamoxifen stroke Order kamagra over the counter Jul 26, 2017. The typical starting dose for Viagra is 50 mg, while the typical starting dose for Cialis is 10 mg. These dosages allow room to adjust up or down. Nov 30, 2017. Typically, the recommended dose is 50 mg taken about one hour before sexual activity. Is there such a thing as generic sildenafil citrate? May 16, 2016. Sildenafil is also sold as a generic drug, which is medically identical to. to the initial dose of Viagra or generic sildenafil, a higher dose may be. If you’re looking for a less costly Viagra, you might want to ask your doctor about sildenafil. It's the active ingredient in both branded Viagra and the drug Revatio, which is a lower dose than Viagra and approved to treat pulmonary arterial hypertension. The important difference: Generic Revatio is available for a fraction of the cost. "Generic Revatio is considerably less expensive, and it is the same drug as Viagra with the same safety and effectiveness," says Bradley Anawalt, M. D., an endocrinologist and professor of medicine at the University of Washington in Seattle who chairs the Endocrine Society's Hormone Health Network. At a lower dose, sildenafil is approved to treat pulmonary arterial hypertension—the higher dose is reserved for treating erectile dysfunction (ED). Anawalt explains that there's a chance your insurance might not cover it to treat ED. Sildenafil is for the treatment of adult men with erectile dysfunction. Take a tablet about an hour before you plan to have sex. When you collect your prescriptions, check the brand and strength of the tablets. If the appearance is not the same as usual, speak with your doctor or pharmacist for further advice. Erectile dysfunction (sometimes called impotence) means that you cannot get or maintain a proper erection. There are several causes, the most common being due to a narrowing of the arteries that take blood to the penis. Sildenafil works by preventing the action of a chemical in your body, called phosphodiesterase type-5. Non-branded (generic) tablets of sildenafil are available on the NHS, but the brand Viagra® can only be prescribed on the NHS for men with erectile dysfunction resulting from certain medical conditions. This helps to widen (relax) blood vessels and improves the flow of blood to the penis following sexual stimulation. Sildenafil can also be bought over the counter from pharmacies in certain circumstances. Sildenafil generic dosage How to Get Generic Viagra - Consumer Reports, Viagra Sildenafil - Side Effects, Dosage, Interactions - Drugs Cialis in europeSildenafil dosage formsInderal and migrainePurchase cytotec (misoprostol)Cipro hc otic Oct 16, 2017. Detailed Sildenafil dosage information for adults and the elderly. Includes dosages for Erectile Dysfunction and Pulmonary Hypertension; plus. Sildenafil Dosage Guide with Precautions -. Sildenafil vs Viagra which to choose? - Dr Fox. 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