|In the treatment of alcohol or opioid dependence.
What is Naltrexone for:This medication is an opioid antagonist, prescribed for management of alcoholism and addiction to opioid drugs. Naltrexone is prescribed either alone or with other medications. It blocks the receptors in the brain in order to terminate the action of opioids.
How does Naltrexone work:Naltrexone stops drug-seeking actions. It stops the high from drug abuse.
How should Naltrexone be used:Take with or without food. Take with food if it causes an upset stomach
Common side effects of Naltrexone :Feeling lightheaded, sleepy, having blurred eyesight, or a change in thinking clearly. Avoid driving and doing other tasks or actions that call for you to be alert or have clear eyesight until you see how this drug affects you. Nervous and excitable. Headache. Belly pain. Upset stomach or throwing up. Many small meals, good mouth care, sucking hard, sugar-free candy, or chewing sugar-free gum may help. Not able to sleep. Harm to the liver may rarely happen.
What do I do if I miss a doseTake a missed dose as soon as you think about it. If it is close to the time for your next dose, skip the missed dose and go back to your normal time. Do not take 2 doses at the same time or extra doses. Do not change the dose or stop this drug. Talk with the doctor.
What precautions should I take when taking Naltrexone :If you have an allergy to naltrexone or any other part of this drug. Tell your doctor if you are allergic to any drugs. Make sure to tell about the allergy and what signs you had. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs. If you have any of these health problems: Hepatitis or liver failure. If you are addicted to drugs or are having withdrawal signs. If you are taking a pain drug.
When do I need to seek medical helpIf you think there was an overdose, call your local poison control center or ER right away. Signs of a very bad reaction to the drug. These include wheezing; chest tightness; fever; itching; bad cough; blue or gray skin color; seizures; or swelling of face, lips, tongue, or throat. Signs of low mood (depression), thoughts of killing yourself, nervousness, emotional ups and downs, thinking that is not normal, anxiety, or lack of interest in life. Change in thinking clearly and with logic. Trouble breathing. Very bad dizziness or passing out. Shortness of breath. Cough that does not go away. Very bad belly pain. Not able to eat. Dark urine or yellow skin or eyes. Feeling very tired or weak. Very bad skin irritation. Any rash. Side effect or health problem is not better or you are feeling worse.
Can I take Naltrexone with other medicines:Sometimes drugs are not safe when you take them with certain other drugs and food. - Taking them together can cause bad side effects. - Be sure to talk to your doctor about all the drugs you take.
How do I store Naltrexone :Store in a cool, dry place away from the reach of children. - Medicines must not be used past the expiry date.
Pregnancy CategoryCategory C : Animal reproduction studies have shown an adverse effect on the fetus and there are no adequate and well-controlled studies in humans, but potential benefits may warrant use of the drug in pregnant women despite potential risks.
Therapeutic ClassificationDrugs used in Substance Dependence