Kamagra Effervescent is marketed as an effervescent formulation containing sildenafil citrate, commonly supplied in a 100 mg strength. It is used for erectile dysfunction (ED) in adult men. The tablet is dissolved in water before drinking, offering an alternative to conventional tablets. For sildenafil treatment of ED, 50 mg is generally the recommended starting dose, while 100 mg is the maximum recommended dose for most patients. It should not be taken more than once in 24 hours.