Naltrexone

Competitively antagonizes opioid receptors; reduces alcohol craving through unknown mechanism

No curated interaction pairs are recorded for Naltrexone. This is not a statement that none exist — check a full interaction reference before combining.

• Nausea
• Headache
• Dizziness
• Anxiety
• Fatigue

Half-life

4 hours (active metabolite 12 hours)

Protein binding

21%

Metabolised by

Dihydrodiol dehydrogenase

Not recorded for Naltrexone. Absence here means this database does not hold a category — not that the drug is safe in pregnancy or breastfeeding.