Oxycodone hydrochloride controlled release tablets are analgesic drugs, the active ingredient is oxycodone, belonging to the opioid agonist, with the increase of the dose of drug use, the analgesic effect will also increase, the efficacy of the drug to play a long time, but it should be taken reasonably under the advice of the doctor, do not overdose. Oxycodone Hydrochloride Controlled Release Tablets have a certain relief effect on moderate to severe pain, after taking it, it can have a rapid onset of analgesic time, which can last for more than 12 hours, and if the dose is increased, the analgesic effect and analgesic time will also grow, and there are often adverse reactions such as nausea, vomiting, dizziness, dry mouth, fever, etc. after taking it. Contraindications are hypoxic respiratory depression, acute abdomen, hypersensitivity to the product, pregnant and lactating women, etc. As oxycodone hydrochloride controlled release tablets belong to controlled psychotropic substances, patients should take them strictly under the advice and guidance of a doctor, and should not increase the dosage and abuse the drug without authorization, so as not to cause serious consequences.