Some of these drugs include ingredients you wouldn't want to put in your body -- things like talcum powder, paint, and printer ink. When choosing one, tell your doctor or other health care professional what your preferences are, such as cost, ease of use, how long the drug's effects last and side effects. Generic versions of sildenafil, vardenafil and tadalafil are available. To get a prescription for Viagra, start by making an appointment with your doctor to discuss your erectile dysfunction, as well as your medical history. Then, if you and your doctor decide that Viagra is right for you, use your prescription to purchase Viagra at your local pharmacy. Alternatively, go to the National Association of Boards of Pharmacy website to find a reputable online pharmacy.

3 Dosage Adjustments in Specific Situations

There was no impairment offertility in rats given sildenafil up to 60 mg/kg/day for 36 days to femalesand 102 days to males, a dose producing an AUC value of more than 25 times thehuman male AUC. When VIAGRA is co-administered with an alpha-blocker, BUY XANAX WITHOUT PRESCRITION patients should be stable on Sections or subsections omitted from the full prescribing information are not listed. Alpha-blocker therapy prior to initiating VIAGRA treatment and VIAGRA should be initiated at 25 mg [see WARNINGS AND PRECAUTIONS, DRUG INTERACTIONS, and CLINICAL PHARMACOLOGY]. VIAGRA is indicated for the treatment of erectile dysfunction. There has to been any changes to your healthYou have not started any new medicationYou are not under investigation for any health conditions that have not yet been diagnosed. Talk to your doctor if you think you might use any recreational drugs with sildenafil.

Route of administration

There are several other PDE 5 inhibitors that are also helpful for treating erectile dysfunction, such as Stendra. Patients should always ask their doctors for medical advice about adverse events. VIAGRA does not protect against sexually transmitted diseases, including HIV.
Ask your doctor if your heart is healthy enough to handle the extra strain of having sex. VIAGRA can cause your blood pressure to drop suddenly to an unsafe level if it is taken with certain other medicines. Do not take VIAGRA if you take any other medicines called "nitrates".
Also tell them if you smoke, drink alcohol, or use illegal drugs. In erectile dysfunction, however, blood flow to the penis can be too low and disrupt the ability to get or maintain an erection. Drugs such as Viagra relax smooth muscles and increase blood flow to the penis, making it easier to get or keep an erection. A lack of blood flow is one cause of erectile dysfunction.
It works if you have erection problems by temporarily increasing blood flow to your penis when you get sexually excited. Manufacture and sale of sildenafil citrate drugs is common in China, where Pfizer's patent claim is not widely enforced. In the US, even though sildenafil is available only by prescription from a doctor, it was advertised directly to consumers on TV (famously being endorsed by former United States Senator Bob Dole and football star Pelé).

FDA Drug Information

This patient had been taking minoxidil, a potent vasodilator, during the study. No evidence of teratogenicity, embryotoxicity or fetotoxicitywas observed in rats and rabbits which received up to 200 mg/kg/day duringorganogenesis. These doses represent, respectively, about 20 and 40 times theMaximum Recommended Human Dose (MRHD) on a mg/m² basis in a 50 kgsubject. In the rat pre-and postnatal development study, the no observed adverse effect dose was 30 mg/kg/day given for 36 days.
As a result, a higher amount of a drug stays in your body for a longer time. Webdoctor.ie is an Irish-based healthcare provider that has carried out over 130,000 patient consultations. The content of this article is not intended to be a substitute for professional medical advice, examination, diagnosis, or treatment. You should always contact your doctor or other qualified healthcare professional before starting, changing, or stopping any kind of health treatment. Make an appointment with your doctor to inquire about a prescription.