May be future subjects in treating cancer and cardiovascular disease [9]. Sexual activity is not a major contributor to the risk of a heart attack. Unapproved therapies, some of which are available in the US and some elsewhere, some of which have data to prove efficacy and some not, include tadalafil Cialis , vardenafil Levitra , yohimbine, phentolamine, trazodone, apomorphine and neutraceuticals. Summary Hims is a telemedicine service that helps men get the medical guidance they need at a reasonable price, especially for sensitive issues like ED. In addition he takes testosterone and sildenafil as needed.. Many people stop taking drugs because they are experiencing side effects, they no longer have a partner, or they are worried about safety. Disorientation, headache, and loose stools are other side effects.Vardenafil (Levitra): Uses, Alternatives, Side Effects & More – GoodRx. feeling faint or weak, dizziness, blurry vision, feeling confused. Erection lasting for more than 4 hours. Headache (up to 15%) Flushing (up to 11%) Stuffy nose (up to 9%) Indigestion (up to 4%) —skin rash,, swelling of the face, lips, tongue, or throat.  · Below, we’ll detail nine of the most common tadalafil interactions to keep in mind. 1. Nitrates. Nitrates are used to treat and prevent angina (chest pain) caused by heart disease. Examples include nitroglycerin (Nitrostat), isosorbide mononitrate (Monoket), and isosorbide dinitrate (Isordil). Vardenafil Switch to brand medication info_outlined Used for Erectile Dysfunction MORE expand_more Check your prescription Prescription 10mg vardenafil (1 package (4 orally .