Viagra is also informally known as “vitamin V”, “the blue pill”, or “blue diamond”, as well as various other nicknames. It was initially studied for use in hypertension high blood pressure and angina pectoris a symptom of ischaemic heart disease. The substance is the same under both trade names. Numerous sites on the Internet offer Viagra for sale after an “online consultation”, often a simple questionnaire. Some people may also have ringing in their ears tinnitus or dizziness. 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.What to consider Cost Overdose Ask your doctor Q&A Drug Images What is Viagra? If you have erectile dysfunction (ED), your doctor may recommend that you take Viagra. It’s a prescription drug. CHOOSE BRAND-NAME VIAGRA. The original little blue pill prescribed by doctors for over 20 years. Clinically proven to treat men with erectile dysfunction (ED) Ongoing commitment to product quality and safety monitoring. The products on this page have been transferred to VIATRIS SPECIALTY LLC. The U.S. Physician Prescribing Information and Patient Information on this page may no longer be current. Please visit test1.ru for the most current product information. for Consumers: test1.ru VIAGRA en Español.