18 Oct what happens when you take viagra – GETTING STARTED WITH VIAGRA

WebSildenafil (Viagra brand) increases blood flow to the penis following sexual stimulation. It does this by blocking the enzyme responsible for the breakdown of cGMP. cGMP is a substance that relaxes and widens blood vessels and smooth muscle cells. This allows .To provide you with the most relevant and helpful information, and understand which information is beneficial, we may combine your email and website usage information with other information we have about you. From Mayo Clinic to your inbox Sign up for free and stay up to date on research advancements, health tips, current health topics, and expertise on managing health. This medicine usually begins to work for erectile dysfunction within 30 minutes after taking it. Push the plunger of the syringe, then insert the tip into the bottle while holding the bottle upright on a flat surface. Do not use more of it and do not use it more often than your doctor ordered. The most common side effects of VIAGRA: headache; flushing; upset stomach; abnormal vision, such as changes in color vision such as having a blue color tinge and blurred vision; stuffy or runny nose; back pain; muscle pain; nausea; dizziness; rash.WebVIAGRA can cause your blood pressure to drop suddenly to an unsafe level if taken with certain other medicines. Do not take VIAGRA if you take any other medicines called . WebCost Pregnancy Birth control needs Breastfeeding For professionals Drug Images What is Viagra? Viagra is a brand-name prescription drug that’s approved to treat erectile . WebViagra may cause some unwanted side effects. Side effects may include: sensitivity to light muscle aches heartburn nose bleeding flushed skin problems falling asleep tingling in the .Precautions It is important that you tell all of your doctors that you take sildenafil. It is not known if the medicine is safe for use in these patients. In some patients, the use of VIAGRA with alpha-blockers can lead to a drop in blood pressure or to fainting medicines called HIV protease inhibitors, such as ritonavir Norvir , indinavir sulfate Crixivan , saquinavir Fortovase or Invirase , or atazanavir sulfate Reyataz some types of oral antifungal medicines, such as ketoconazole Nizoral and itraconazole Sporanox some types of antibiotics, such as clarithromycin Biaxin , telithromycin Ketek , or erythromycin other medicines that treat high blood pressure other medicines or treatments for ED VIAGRA contains sildenafil, which is the same medicine found in another drug called REVATIO. If you prefer, you may contact the U. Alpha-blockers are sometimes prescribed for prostate problems or high blood pressure.