 [ Symptoms ] i have been taking propranolol for the chest pains now have headaches and pain on left side of head and body [ Disease ] if you are having a neck pain and headache this is probably something wrong with your cervical spines or muscles causing the headachecommon or migraine headache which gives the same symptoms you have described…it is usually of unknown cause or a withdrawal symptom of propranololmigraine headache and lightheadedness  first of all drink plenty of water and see a doctor to check your neck and their muscles spines… otherwise you try sleeping well and having enough rest eat fruits and vegetables and try starting to walk daily as an exercise this helps much before you gets migraine…