Answer
Isoniazid can interfere with vitamin B6 availability and cause peripheral nerve damage; pyridoxine is licensed to treat that complication.
Sources for this answer
- Pyridoxine hydrochloride 50 mg film-coated tablets — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.