Hello dear Warm welcome to Healthcaremagic.com family I have gone through your concern in depth . * Side effects of Syndopa plus are many as - nausea , vomit , decrease appetite , brown vomit , black stools , dark saliva , urine , sweat - head ache , dizziness - allergy reactions as rash - chest pain , gabhraman - vision disturbances as double or blurred - unusual dreams - various spasms - chronic unexplained sore throat - bleeding tendency with easy bruising - others * Balance problem is neurology related , so only expert neurologist care with control of BP , diabetes will help to certain extent only Hope this will help you definitely . Feel free to ask any further questions . Thanks for evaluating my answer thoroughly . Regards dear .