HI THANKS FOR CHOOSING HEALTH CARE MAGIC, Foot pain may be caused by many different diseases, biomechanical conditions, or injuries. In diabetes it may occur due to neuropathies,decreased blood circulation to peripheral parts of the body mainly lower limbs GOUT===This condition occurs when uric acid accumulates in your body. Deposits of uric acid collect in the joints — particularly in your big toes — and can cause intense, episodic pain. HIFENAC-MR tablet contains aceclofenac , chlorzoxazone , paracetamol 500. this is a muscle relaxant and helps in pain relief,but prolonged usage is not encouraged in your case being diabetic,you need to see a doctor and then take any kind of medication only upon his advice get your blood glucose levels checked see if there is any underlying infection gaining weight may exert pressure on your feet leading to pain and some minute fractures may also occur along the weight bearing axis talk to a doctor to come to a correct diagnosis and then start the treatment by using pain killers you can get temporary pain relief ,but the problem worsens take care,do not neglect hope i answered your query feel free to contact me for further queries thank you