Suggest Remedy For Writer's Cramp

Sir, My name is Raju. I am suffering from writers cramp since 18 yrs. I lifted a table in 1992 while studying, after that my wrist bends inwards while picking a glass of water, acup of tea etc., also upper back pain just left of spinalcord started till now. I met an accident in april 2003, I fell on the road ON MY right side. Now my hand trembles & there is agreat difficulty in writing also. Ican't write when someone present. My thumb also cramp while writing. Iconsulted a doctor Charanjit Singh & he gave me nowadays Cyclamen 30 3 drops with water three times and Mag. Phos. 4 pills three times a day resp. My writing work is not too much but the problem is problem.