Hi welcme to HCM I have gone thru your query regarding side effect of Astalin and Betnilan drugs . Your shaky hand is a result of the drugs you are taking . Dear , One thing is sure that every drug has side effects , good or bad ,depends on adaptiility of a user . In fact gulping on only medicines don t help cure unless you have strong immune system .That can happen only if you follow proper regime of proper food habits and regular life style . Intake of balanced diet , including all essential nutrients of fiber ,vitamins, minerals ,supplements full of antioxydants -ginger ,garlic ,condiments/black pepper , long pepper , cloves all give resistance to our system . Boil a glass of milk and add half teaspoon of turmeric powder. Boil it properly and drink this milk two times in a day to get relief from chronic cough. It boosts up the immunity and prevents recurrent attacks of cough. Take a glass of water and boil some tulsi leaves in it. Add some honey to it and drink it three times in a day to get relief from cough. Saline water gargles are quite effective in the home treatment of coughing. Do gargle two or three times in a day to get instant relief from cough. Add cloves in water and boil it. Gargle with this water to get relief from coughing. Deep breathing , pranayam , Walking , Laughing ,Kapalhati , Bharamari all stregthen your immunity Avoid processed foods carbs , sugar , fried ,fast foods , Tea , coffee , alcohol and smoking , stress and Constipation , sleeplessness will produce biochemical and metabolic conditions in your body that will decrease your immunity . So avoiding is definitely the first step in the right direction to detoxing the body, boosting the immune system , leaving you leading healthy disease free life along with your present treatment . The most important thing is to be aware of any side effects you experience, you are unhappy with them or are worried about the potential side effects , discuss them with your doctor. Some side effects only occur when you first start using the medication, or if you increase your dose. So your doctor is the best judge to guide . Don t stop or start any medication,without your doctor s advice . Hope this helps solves your query .Take care .All the best .Get well soon Don t hesitate to come back in case of any further query .