REVIA (naltrexone hydrochloride), 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 (naltrexone) is also related to the potent opioid antagonist, naloxone, or n-allylnoroxymorphone.
REVIA (naltrexone) is a white, crystalline compound. The hydrochloride salt is soluble in water to the extent of about 100 mg/mL. REVIA (naltrexone) is available in scored film-coated tablets containing 50 mg of naltrexone hydrochloride.
REVIA (naltrexone) Tablets also contain: lactose, microcrystalline cellulose, crospovidone, colloidal silicon dioxide, magnesium stearate, hydroxypropyl methylcellulose, titanium dioxide, polyethylene glycol, polysorbate 80, yellow iron oxide and red iron oxide.
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.
This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: taken any type of opioid drugs in the last 7 to 10 days, current opioid dependence (including methadone maintenance), active liver disease/liver failure.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: kidney disease, liver problems.
You should carry or wear medical identification stating that you are taking...
Last reviewed on RxList: 12/8/2004
This monograph has been modified to include the generic and brand name in many instances.
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