Hello. Thanks for asking from HCM. I can understand your concern. Let me explain you concussion . It is a type of blunt head injury which cause momentary loss of consciousness, sometimes memory deficit for incident. It can cause headache for few days, irritability, memory problem. Patient usually recovers on its own in few days to months. Now coming to your injury, it may be concussion or normal head injury. You can relate your findings and reach on to some conclusion. Both can be managed by : Taking painkiller like Diclofenac sodium for pain relief : Take some rest : Apply icepacks at injury site to relieve pain and swelling If still no relief, you should consult doctor. He will examine you and might advise some investigation like CT scan of head to rule out fracture or bleed. Thanks. Hope it will help you. Take care.