Removal of screw in right ankle. Now?

Back pain is unlikely due to screws. This treatment is being suggested on bases of the information provided. However I would like to examine & investigate your father   in detail. Control  Hypertension, Diabetes or any other metabolic disorder, if there is  any. Any way it may be tried, --. Dolokind Plus (Mankind) [Aceclofenac100 mg +Paracetamol 350 mg] 1 tab. OD & SOS. X 5 days. --. Caldikind plus  (Mankind) 1 tab OD x 10 days. (You may need help of your local doctor to get these medicines.) --. Fomentation with warm water. Let the part not be exposed to cold. --. Sleep on a hard bed with soft bedding. --. Use no pillow under the head. --. Avoid painful acts & activities. -- .Do mild exercises for  back and hips and knees and ankles and feet. --.(Take help of a  physiotherapist). --Do not ignore, let it not become beginning of a major problem. --Do ask for a detailed treatment plan. Kindly make sure, there is no allergy to any of these medicines. --For emergency treatment visit nearest hospital. --Wish your father  a quick recovery & good health. --I hope, I have solved your problem to your satisfaction.  Dr N C Gupta MS (ortho)

If at all if he is having pain in ankle and due to this if he is walking towards one side for 20 yes this might have caused back pain but there are also other reasons for back pain. However try removing screws and it might work but not guaranteed.

Removing screws put 8n 27 years ago, is not going to be easy at all. If you get him assessed by an Orthopaedic Surgeon and get him proper physiotherapy it will be the best.

Need clinical examination