Viagra is one of the most popular drugs for erectile dysfunction. Most men find that taking Viagra (or similar products like Viagra Connect or Sildenafil) does not cause any serious side effects. Find out which side effects to look out for and what you can do to avoid them. Viagra is used to treat erection problems in men, as it has an effect on the blood flow to your penis. In order to get an erection, it is important that there is a sufficient blood within the penis. In most cases, men experience erectile dysfunction because the the blood flow is restricted. The active ingredient in Viagra, a chemical called sildenafil, acts on your blood vessels and relaxes them. Links to other sites are provided as a convenience to the viewer. Pfizer accepts no responsibility for the content of linked sites. This website is neither owned nor controlled by Pfizer. Pfizer does not endorse and is not responsible for the content or services of this site. Continue You are now leaving to enter a website neither owned nor operated by Pfizer. Links to all outside sites are provided as a resource to our visitors and do not imply an endorsement or recommendation of a particular physician by Pfizer, nor an endorsement of any Pfizer product by a telehealth provider or any physician. Pfizer accepts no responsibility or liability for the content or services of other websites. Buy cialis brisbane Can i buy viagra in pharmacy uk Levitra nebenwirkungen Oct 20, 2014. In the bedroom, Viagra allows greater blood flow to the penis. tested sildenafil citrate as a medication to treat high blood pressure and angina. Apr 13, 2018. Sildenafil is an oral medication called a phosphodiesterase-5 PDE5. This reduces blood pressure in the lungs which generally results in the. High blood pressure medication side effects in men Sexual problems. It's usually safe to combine the erectile dysfunction drugs sildenafil Revatio, Viagra. This is a summary and does NOT have all possible information about this product. This information does not assure that this product is safe, effective, or appropriate for you. This information is not individual medical advice and does not substitute for the advice of your health care professional. Always ask your health care professional for complete information about this product and your specific health needs. Sildenafil is used to treat high blood pressure in the lungs (pulmonary hypertension). It works by relaxing and widening the blood vessels in your lungs which allows the blood to flow more easily. Decreasing high blood pressure in the lungs allows your heart and lungs to work better and improves your ability to exercise. Sildenafil is a medicine used to treat erectile dysfunction. It increases blood flow to the penis to help men get an erection. At least two-thirds of men have improved erections after taking it. Sildenafil is also sometimes used to treat pulmonary hypertension (high blood pressure in the blood vessels that supply the lungs). This medicine is available on prescription and can also be bought from most pharmacies. It comes as tablets that you swallow, chewable tablets, and as a liquid that you drink. Sildenafil for erectile dysfunction (Viagra) can be taken by men aged 18 and over. Sildenafil for pulmonary hypertension (Revatio) can be taken by adults and children aged 1 and over. Do not take sildenafil if you: You can get sildenafil on the NHS if you have erectile dysfunction or pulmonary hypertension. Sildenafil blood pressure medication Common Side Effects of Viagra Sildenafil Citrate Drug Center - RxList, Sildenafil - Pulmonary Hypertension Association Lasix pregnancy Nov 30, 2017. Taking Viagra with a nitrate drug can cause a sudden and dangerous drop in blood pressure. Also, you shouldn't use the medicine for. Viagra Sildenafil - Side Effects, Dosage, Interactions - Drugs. High blood pressure and sex Overcome the challenges - Mayo Clinic. Effect of sildenafil citrate on blood pressure and heart rate in men with.. Sildenafil is also sometimes used to treat pulmonary hypertension high blood pressure in the blood vessels that supply the lungs. This medicine is available on. Revatio sildenafil is a U. S. Food and Drug Administration-approved. walk test, a reduction in pulmonary blood pressure, and slower progression of the. Sildenafil relaxes muscles and increases blood flow to particular areas of the body. medicine can cause a sudden and serious decrease in blood pressure.