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(naltrexone hydrochloride) Tablets USP 50 mg Opioid Antagonist
REVIA® (naltrexone hydrochloride tablets USP), an opioid antagonist, is a synthetic congener of oxymorphone with no opioid agonist properties. Naltrexone differs in structure from oxymorphone in that the methyl group on the nitrogen atom is replaced by a cyclopropylmethyl group. REVIA is also related to the potent opioid antagonist, naloxone, or n-allylnoroxymorphone.
REVIA is a white, crystalline compound. The hydrochloride salt is soluble in water to the extent of about 100 mg/mL. REVIA is available in scored film-coated tablets containing 50 mg of naltrexone hydrochloride.
REVIA Tablets also contain: colloidal silicon dioxide, crospovidone, hydroxypropyl methylcellulose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, polyethylene glycol, polysorbate 80, synthetic red iron oxide, synthetic yellow iron oxide and titanium dioxide.
What are the possible side effects of naltrexone oral (ReVia)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop using naltrexone oral and call your doctor at once if you have any of these serious side effects:
- blurred vision or eye problems;
- fast heartbeat;
- mood changes, hallucinations (seeing or hearing things), confusion, thoughts of hurting yourself;
- nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes);
What are the precautions when taking naltrexone (Revia)?
Before taking naltrexone, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: current or recent use (in the last 7 to 14 days) of any type of opioid drug (such as morphine, methadone, buprenorphine), kidney disease, liver disease.
You should carry or wear medical identification stating that you are taking this drug so that appropriate treatment can be given in a medical emergency.
This drug may make you dizzy. Do not drive, use machinery, or do any activity that requires alertness until...
Last reviewed on RxList: 10/21/2013
This monograph has been modified to include the generic and brand name in many instances.
Additional Revia Information
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Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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