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.
Oxycodone (OxyContin) Profile Oxycodone is a semi-synthetic opiate manufactured by modifying the chemical thebaine, an organic chemical found in opium. 1 It is the active ingredient in a number of commonly prescribed pain relief medications such as Percocet, Percodan, and Tylox.xycodone (OxyContin) Profile Oxycodone is a semi-synthetic opiate manufactured by modifying the chemical thebaine, an organic chemical found in opium. 1 It is the active ingredient in a number of commonly prescribed pain relief medications such as Percocet, Percodan, and Tylox.