Had medical abortion 2-3 months ago, ever since I've been feeling weird. Body aches, depression, high heart rate, anxiety blood tests fine what's wron?

Emotions. After having any type of miscarriage, whether intended or unintended, there are a lot of emotions a woman goes through. Depression and body aches would be normal reaction. I doubt anything is physically wrong with your body as medical abortion is very safe. Are you exercising? Sleeping 7-8 hours a night? How have you addressed feelings of loss and relationship with boyfriend? Maybe see a therapist.