My 22 months old kid accidentally banged his forehead on the wall corner. A very big bump appeared, I applied ice, but he din't allow to ice press continuously. Took him to doctor on the same day. By the time we visited doctor, his bump went down and appeared too small. Doctor prescribed THROMBOPHOB GEL to apply on the bump and to report if any abnormal behaviour is noticed. He did not vomit and all his regular activities are normal. It's been about 2 months now and the bump is still visible and while giving him bath and taking under sun light, the bump is clearly visible and appears black in colour. When I give pressure over it with my hand, my kid is not showing any sign of pain or reaction. Please advise if this can cause any problem and how to cure this.