I have been on it for 2 years now. Expect missing my period which is a bonus, I’m doing very fine. For side effects, any contraceptive methods got side effects. First time I had it, 3 days I was having lil headache and I asked my doctor and she said its normal. After that, I’m all good. It differs from girl to girl. I advice you to go to government hospital, I only paid 3 br for the card and the injection is free. Plus she will set up you with the appointments and all. Last but not least you gotta be on your period when you wanna take the injection. Hope it helps