Hi my name is Jaime and recently i have been having this shivering in my head they come suddenly and they go but they worry me because after i get hedeache and it continues like that day and night i have been using PMS-BACLOFEN 10 mg twice daily and TEVA-PREGABALIN 75mg 1 capsule daily i stoped them because they make me drowsiness and after I stopped those medication this shivering and chills started what do i do know