Kamagra Oral Jelly 100mg is a brand-name tablet that contains sildenafil citrate, an active ingredient used to treat erectile dysfunction (ED). The tablet is usually taken orally, about one hour before sexual activity, and can last up to 4 hours. It is important to note that Kamagra 100mg is only available from licensed pharmacies and should not be purchased from online retailers. It is also important to speak with a healthcare provider before starting any medication to treat ED.