Nalorphine is a drug that belongs to a class of medicines known as opioid agonists. It is similar to naloxone.

Nalorphine is used in the reversal of opioid-induced respiratory depression.

This should not be given to children, pregnant women or lactating women. Do not give with allergy to Nalorphine.

Nalorphine can bring about the following side effects:

  • Drowsiness
  • Respiratory depression
  • Miosis
  • Dysphoria
  • Lethargy


Take extra caution in those who are physically dependent on opioids or who have received large doses of opioids

Do not give when there is respiratory depression induced by alcohol or other non-opioid depressants. Take caution in patients receiving cardiotoxic medications.



Nalorphine may interact with non-opioid depressants and cardiotoxic drugs.

If you think you have overdosed, seek emergency medical treatment immediately.


Available Brands:

  • Lethidrone
  • Nalline

Related Articles


UsesWarningsSide EffectsPrecautionsOverdose & BrandsUses Ultravist is used in the following conditions: Radiographic Imaging: Iopromide injection is utilized to enhance the [...]


UsesWarningsSide EffectsPrecautionsOverdose & BrandsUses Ultramox is used in the following conditions: Respiratory Infections: Amoxicillin is often used to treat respiratory [...]


UsesWarningsSide EffectsPrecautionsOverdose & BrandsUses Ultraliv is used in the following conditions: Carnitine Orotate: Carnitine orotate is a combination of L-carnitine [...]