Not Medical Advice: A green, round-shape pill with K 8 imprint has been identified as oxycodone hydrochloride 15 mg.
Oxycodone is an opioid pain medication, it belongs to the drug class narcotic analgesics.
It is used to treat moderate to severe pain. The extended-release form of this medicine is for around-the-clock treatment of pain.
You should not use oxycodone if you have severe asthma or breathing problems, or a blockage in your stomach or intestines.
Oxycodone can slow or stop your breathing, especially when you start using this medicine or whenever your dose is changed. Never take this medicine in larger amounts, or for longer than prescribed. Do not crush, break, or open an extended-release pill (Oxycontin). Swallow it whole to avoid exposure to a potentially fatal dose.
Learn more about oxycodone at Drugs.com.