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What does it do?

Nefopam is used to relieve pain.

How should you take it?

Take nefopam as directed with a glass of water.

What if you forget a dose?

If nefopam is taken regularly, take the missed dose as soon as possible. If it is close to the time for your next dose, skip the missed dose and carry on as normal. Do not take two doses at the same time.

Can you take other medicines?

Some medicines available without a prescription may react with nefopam including:

  • sedating antihistamines (e.g. Phenergan®)
  • cough suppressants (e.g. Duro-Tuss®, Benadryl Dry Forte®)
  • pain relief medicines containing codeine (e.g. Panadeine®)

Tell your pharmacist or doctor about all medicines or treatments that you may be taking, including vitamins, herbal products (e.g. St John's wort) or recreational drugs.

What side effects might you notice?

Side EffectsRecommended action

Change in heartbeat, chest pain

Swollen lips, tongue, throat or face

Seizures

Tell your doctor immediately

Constipation

Fainting, confusion, agitation, hallucinations

Tell your doctor

Drowsiness, tiredness or weakness

Nausea, stomach upset, dry mouth

Changes in vision

Trouble peeing, change in urine colour

Sweating

Tell your doctor if troublesome

If you notice any other effects, discuss them with your doctor or pharmacist.

Other information:

  • Tell your doctor if you have liver or kidney problems, narrow angle glaucoma, or if you have ever had a seizure.
  • Tell your doctor if you are pregnant, planning to become pregnant, or breastfeeding.
  • If nefopam is not relieving your pain contact your doctor.
  • Nefopam may make you dizzy or sleepy and make it dangerous to drive, operate machinery or do other activities that require you to be alert. Limit alcohol intake because it can increase these effects.

This leaflet contains important, but not all, information about this medicine.

Prepared by the PILs Committee at Christchurch Hospital, Canterbury District Health Board, New Zealand. December 2017

For more general information about this sheet and its contents, see: What does a My Medicines sheet cover?

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About My Medicines

My Medicines Patient Information Leaflets (PILs) contain important, but not all, information about the medicines they describe.

For more information about the sheets, see: What does a My Medicines sheet cover?

My Medicines is developed by a team at the Canterbury District Health Board. Our team is made up of doctors, pharmacists, and a non-medical person to help us keep to plain language. We also discuss our information with specialist health professionals or groups when needed