Order oxycodone is a strong painkiller used to treat moderate to severe pain. It belongs to a group of medicines called opioids, which are used when normal painkillers like paracetamol or ibuprofen are not strong enough. Oxycodone comes in different forms, including fast-acting tablets, long-acting tablets or capsules, liquid syrup, and combined pills. Your doctor will choose the right type and dose depending on your pain and health condition.