Kamagra 100 mg is a medication used primarily to treat erectile dysfunction (ED). Its active ingredient is sildenafil citrate, which belongs to a class of medications known as phosphodiesterase type 5 (PDE5) inhibitors. Regarding its effect on memory, there is no direct evidence or commonly reported side effect suggesting that Kamagra (sildenafil) affects memory. Typically, the common side effects of Kamagra 100 mg are related to its action on blood flow and may include headache, flushing, indigestion, nasal congestion, and in some cases, visual disturbances. However, it's essential to consider individual variability and potential interactions with other medications or health conditions. If you have concerns about memory issues or any other side effects while taking Kamagra or any other medication, it's crucial to discuss them with a healthcare provider who can provide personalized advice based on your specific situation.