Kamagra 100 mg Oral Jelly is a prescription medicine used to treat erectile dysfunction (ED) in men. It helps by improving blood flow to the penis, making it easier to get and keep an erection. It belongs to a group of drugs called phosphodiesterase type 5 (PDE5) inhibitors. You can take Kamagra 100 mg Oral Jelly Cola with or without food, as directed by your doctor. It’s best to take it about 1 hour before sexual activity. It usually starts working in 30 to 60 minutes, depending on the person. It only works if you're sexually stimulated, and should not be taken if you don’t have ED.