Naltrexone

Expert Advice

Dosage Forms Available

• Naltrexone is available as oral tablets for individuals to take by mouth.

• It is also available as an extended-release injectable suspension, which is administered through the intramuscular route by a healthcare provider.

Age and Dose Restrictions

• This medicine is meant for adults. It is not typically prescribed for children or adolescents.

Contraindications

• Naltrexone is contraindicated in patients with acute opioid withdrawal.

• It is contraindicated in those who have current opioid dependence or a positive opioid urine screen.

• Patients with acute hepatitis or liver failure should not use this medicine.

Other Medications to Avoid

• This medicine can interact with opioid-containing medications (such as morphine and methadone), CNS depressants (like benzodiazepines and alcohol), and any other substance that may act on the opioid receptors or enhance CNS depression.

Overdose and Missed Dose

• An overdose of Naltrexone may result in symptoms like nausea, severe headache, or confusion. If you suspect an overdose, it is important to seek immediate medical attention from your doctor.

• If you miss a dose of Naltrexone, take it as soon as you remember. However, if it is almost time for your next scheduled dose, skip the missed dose and continue with your regular dosing schedule. Do not take an extra dose to make up for the missed one.

Management of Side Effects

Most side effects are temporary and generally harmless and resolve when discontinuing this medicine. However, if you experience any severe side effects or worsening of any symptoms, please consult your doctor.

• For nausea, try taking the medicine with food unless instructed otherwise by your doctor.

• If experiencing dizziness, ensure you rest and avoid movements that may exacerbate the condition until you feel stable.

Use in Driving and Operating Machinery

• Naltrexone may cause dizziness or tiredness. You should avoid driving or operating heavy machinery until you know how this medication affects you.

Use in Pregnancy and Lactation

• The use of this medicine during pregnancy or breastfeeding is not recommended without a doctor's advice. It is best to consult your doctor before taking this medication if you are pregnant or nursing.

Caution in Other Conditions

• Individuals with liver issues need to exercise caution when using Naltrexone due to its potential impact on liver function. Regular monitoring of liver function tests is recommended.

• Those who have recently used opioids should be aware that starting Naltrexone too soon after opioid use can cause severe withdrawal symptoms.

Special Dietary and Lifestyle Recommendations

• For individuals managing alcohol dependence with Naltrexone, avoiding alcoholic beverages is crucial as the combination can lead to significant health issues including potential liver damage.

• Maintaining a balanced diet that supports liver health can be beneficial. This includes consuming foods rich in antioxidants such as leafy greens, fruits, and whole grains.

• Engaging in regular physical activity can help improve overall health and aid in the recovery process from substance dependency.

• It is also important to engage in therapeutic activities that support mental health such as mindfulness practices, counselling sessions, and stress management techniques.

Frequently asked questions

Terms & Conditions