My son is 1 yr 10 months old. He has avg wt. and height as per his age. He is quite active and keep on jumping from sofa and table. Since yesterday we are noticing a limp when he is walking. There is no visible swelling from outside. While touching the legs and foot. He whines while foot is touched (near fingers). I think he might have jumped from sofa/bed and hurt himself in ryt leg muscle. I applied iodex but there is no visible improvement. Limping is still continued. Is there quick pain relief syrup recommended. Any doctor recommendation.