Clonazepam

ATC code
N03AE01
Therapeutic class
Benzodiazepine · Antiepileptic
Forms
oral tablet
Brand names
Clonazepam (US) · Rivotril (FR) · Klonopin (US) · Clonazepam Biomed (ES)
Overall confidence
high

Regulatory sources consulted

Approved indications

Contraindications

Absolute

  • Hypersensitivity to benzodiazepines.
  • Severe liver disease.
  • Acute narrow-angle glaucoma.
  • Severe respiratory insufficiency.
  • Sleep apnea syndrome.

Clinical warnings

Drug interactions

Adverse events

Common (≥1%)

drowsiness · ataxia · behavior problems · dizziness

Rare but serious

respiratory depression · drug dependence · withdrawal syndrome · paradoxical reactions · anterograde amnesia · anemia · thrombocytopenia

Pregnancy and lactation

FDA category: Not Recommended

Use of benzodiazepines late in pregnancy may cause neonatal sedation and/or withdrawal syndrome. Maternal benefit should be weighed against fetal risk. A pregnancy exposure registry exists.

Recent literature (PubMed)