The main painkillers you can take for a fall injury are non-steroidal anti-inflammatory drugs (NSAIDs), opioid receptor blockers and other drugs. 1. Non-steroidal anti-inflammatory drugs: the painkillers often used after a fall are mainly based on non-steroidal anti-inflammatory drugs, such as celecoxib, ibuprofen, acetaminophen flat. This type of drug can inhibit the synthesis of prostaglandins, thus helping the local inflammation to subside and achieve the purpose of pain relief. 2. Opioid receptor blockers: If the location of the fall injury has a wide distribution of nerves, you can choose opioid receptor blockers, such as tramadol hydrochloride, pethidine hydrochloride, etc., this type of drug for the mild to moderate pain has a good role in relieving. If the pain is very serious, you can choose morphine opioid analgesic treatment. There are a lot of painkillers that can be eaten in a fall, all drugs should be used in accordance with the doctor’s instructions, and should not be used without authorization, so as not to lead to adverse consequences, it is recommended that the patient consult a doctor in a timely manner, and apply the medication in accordance with the doctor’s instructions.