Avana 100 mg is a prescription medicine used to treat erectile dysfunction (ED) in men. It contains avanafil (100 mg), which belongs to a group of drugs called PDE-5 inhibitors. Do NOT take with nitrate medicines (for heart/chest pain) → can cause dangerous drop in BP Avoid if you have serious heart, liver, or kidney problems Avoid mixing with alcohol or other ED drugs Seek help if erection lasts more than 4 hours Key advantages Faster onset than older ED drugs Generally fewer side effects due to higher selectivity   Important advice This is not an over-the-counter medicine. You should only use it after consulting a doctor, especially if you have: Heart issues Blood pressure problems Diabetes or other chronic conditions If you want, I can compare Avana 100 mg vs Viagra (sildenafil) or suggest safer alternatives based on your situation.