If you experience chest pain, dizziness, or nausea during sex, seek immediate medical help. Sildenafil, Tadalafil, and Vardenafil can cause serious side effects. Read more. Missing: subscription.We considered cost, medications available, and whether generic versions were offered to help reduce costs. It’s available in 10 mg and 20 mg tablets. Erectile dysfunction medications require a prescription from a licensed provider. Alpha-blockers are sometimes prescribed for prostate problems or high blood pressure. Independent online pharmacies operate solely on the Internet, either domestically or internationally. Here are some key factors to consider when deciding: Pricing: Know how much your monthly supply will cost with shipping and tax.The Savings Offer and Program expire on 12/31/ For further information, call , visit , or write: Viatris Inc., P.O. Box , Mission, KS Missing: subscription. If you experience chest pain, dizziness, or nausea during sex, seek immediate medical help. Sildenafil, Tadalafil, and Vardenafil can cause serious side effects. Read more. Missing: subscription. According to price-comparison site , generic Revatio will cost you as little as $ per pill, depending on where you fill your prescription. That’s .That’s not to say there aren’t just as many illegitimate sites. Yes, ED pills can cause side effects. The specific process for getting ED pills online depends on your chosen provider. Independent online pharmacies operate solely on the Internet, either domestically or internationally. It may be difficult to remain firm despite wanting to have sex. Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements. People with heart conditions should never take ED medications without consulting a doctor.