Oxycodone 40 mg tablet is used to relieve pain severe enough to require opioid treatment and when other pain medicines do not work well enough or cannot be tolerated. It is round yellow color (ABG-40) pill. It is a semi-synthetic narcotic that belongs to the group of medicines called narcotic analgesics with multiple actions qualitatively similar to those of morphine. It has been a popular drug of abuse among the narcotic-abusing population but do not use this medicine to relieve mild pain, or in situations when non-narcotic medication is effective. Never take 2 doses at the same time to make up for a forgotten one, as recommended by a health specialist. It can cause physical dependence and addiction as it belongs to a class of drugs known as opioid analgesics. It can change how your body feels and responds to pain by working in the brain. Oxycodone tablets are available in different strengths. The side effects of Oxycodone 30 mg include extreme drowsiness, muscle weakness, confusion, cold and clammy skin, pinpoint pupils, shallow breathing, slow heart rate, etc. The initial recommended doses of Oxycodone 10mg are in the 5 to 15 mg range, usually taken 4 to 6 times a day. So, consult your doctor they will instruct you on the best dosage of the medication.