Suhagra 100 mg contains sildenafil 100 mg and is used to treat erectile dysfunction (ED). It is generally taken about 30–60 minutes before ***** activity. ***** stimulation is needed for it to work. 100 mg is the maximum recommended sildenafil dose for ED, and it should not be taken more than once in 24 hours. Common side effects include headache, flushing, indigestion, nasal congestion, dizziness, and visual changes. Don't combine it with Vigora, Silagra, Malegra, Fildena, Eriacta, Cenforce, or another sildenafil product. Do not take it with nitrate medicines such as nitroglycerin/GTN or recreational “poppers,” because of the risk of dangerously low blood pressure. If you're considering Suhagra 100 mg versus Tadarise 10/20 mg, the key difference is sildenafil versus tadalafil and their duration of action.