That depends on the online pharmacy and is changing. People with heart conditions should never take ED medications without consulting a doctor. 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. They require a prescription for any controlled substance and have a licensed pharmacist to answer questions rather than support staff. You can get a prescription online following a quick and easy visit with a member of our clinical team. Follow-up support: Make sure you can get the help you need if questions or concerns arise after ordering.According to price-comparison site , generic Revatio will cost you as little as $ per pill, depending on where you fill your prescription. That’s . Erectile dysfunction can be challenging to discuss, but online treatment offers a private, stress-free solution. Sesame offers simplistic virtual consultations and generic ED See more. 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 .