Brand-name versions of the drug approved for PAH include Adcirca. Read our editorial process. Levitra vardenafil : This medication is taken one hour before sex and can last up to 24 hours. This is important for your overall health and safety, as certain medications can negatively interact with each other or cause existing conditions to worsen. In BPH, the medication relaxes the urinary tract and bladder muscles, allowing for more effortless urine flow.heart attack symptoms – chest pain or pressure, pain spreading to your jaw or shoulder, nausea, sweating. Common tadalafil side effects may include: headache; flushing (warmth, redness, or tingly feeling); nausea, upset stomach; stuffy nose; or. muscle pain, back pain, pain in your arms, legs, or back. This is not a complete list of side. Get sildenafil for as low as $, which is 95% off the average retail price of $ for the most common version, by using a GoodRx coupon. Prices Medicare Drug Info Side Effects Images Sildenafil (Viagra, Revatio) is a moderately priced drug used to treat erection problems in men.  · Tadalafil (cialis) 5mg, 30 tablets. Get free coupon. Sildenafil 20mg, 30 tablets. Get free coupon. Amoxicillin mg, 21 capsules. Get free coupon. Azithromycin 6 tablets of mg, 1 z-pak. GoodRx works to make its site accessible to .