Vanishing twin. A vanishing twin, also known as fetal resorption, is a fetus in a multi-gestation pregnancy which dies in utero and is then partially or completely reabsorbed by the twin.
GENERIC NAME: oxycodone. BRAND NAMES: OxyContin, Roxicodone, Oxecta. Oxycodone is prescribed for the management of pain severe enough to require daily, around-the-clock, long-term treatment with a narcotic, and for which alternative treatment options are inadequate for the relief of moderate to severe pain.
OxyContin vs. Oxycodone Diffen âº Health âº Medication âº Painkillers The active ingredient in OxyContin is oxycodone but OxyContin (a brand name derived from oxycodone continuous) has a time-release mechanism, which means the drug is released in the body over a period of time and patients have to take the drug less often.