I sprained my ankle 2 months ago and when i run it still hurts.what should i do?

Depends on where: It all depends on where it hurts. If it is on the outside the peroneal tendons might be involved and rehab might help. If it is on the inside of your ankle your poserior tibial tendon could be involved and you should see a physician. If it hurts you in te front you might have impingement of your ankle and could benefit from rehab and possible injection.