Vascular headaches symptoms and conditions

I have been on imitrex and atenolol for a week. It has caused pain in the right side of my neck that runs through my right arm.I'm trying to stop my headaches, not cause more pain. Ithink the medication is unsafe if you have to use a low dose blood preasure medicine with it. Imitrex, and it's counterparts shuold be pulled from the market! It all stems from doctors trying not to prescribe narcotic type medication for headaches.