Hi Doctor , I have asthma from child hood one of the doctor suggested me to use, Euphomin Syrup and i get better when i use it, but the problem is the syrup has caffeine, and i have a doubt i got addicted to this drug, my height is 5.7 weight: 60 and i do excerise every day. When ever i use this syrup my hands are shivering , i need your suggestion