Nimodipine

  • Take two nimodipine tablets every four hours unless your doctor has told you otherwise.
  • Do not drink grapefruit juice while you are on these tablets.
Type of medicine Calcium-channel blocker
Used for To prevent and treat problems caused by burst blood vessels in the brain
Also called Nimotop®
Available as Tablets and injection

Nimodipine works by relaxing and widening blood vessels. It reduces the risk of damage after a subarachnoid haemorrhage (bleeding inside the head).

Before taking nimodipine make sure your doctor or pharmacist knows:

  • If you are pregnant or breast-feeding.
  • If you have kidney or liver problems.
  • If you have porphyria (a rare blood disorder).
  • If you have angina and have chest pain when you are resting as well as during any exercise.
  • If you have low blood pressure.
  • If you have had a heart attack less than one month ago.
  • If you are taking other medicines, including those available to buy without a prescription, herbal and complementary medicines.
  • If you have ever had an allergic reaction to this or any other medicine.
  • Before beginning treatment, read the manufacturer's printed information leaflet from inside the pack.
  • Take nimodipine exactly as your doctor has told you.
  • The usual dose of nimodipine is two tablets every four hours with a drink of water. A course of treatment usually lasts up to 21 days.
  • You may take your doses before or after food.
  • Do not drink grapefruit juice while you are on nimodipine. This is because grapefruit juice increases the levels of nimodipine in your blood.
  • If you forget to take a dose, take it as soon as you remember and then continue to take your tablets every four hours. It is important that you leave four hours between each dose.
  • Keep your regular appointments with your doctor. This is so your progress can be monitored.
  • If you buy any medicines, always check with a pharmacist that they are safe to take with your other medicines.

Along with their useful effects, most medicines can cause unwanted side-effects although not everyone experiences them. These usually improve as your body adjusts to the new medicine, but speak with your doctor or pharmacist if any of the following side-effects continue or become troublesome.

Side-effects - these affect less than 1 in 100 people who take this medicine What can I do if I experience this
Headache If the headache continues or is severe, speak with your doctor
Feeling sick Eat little and often. Stick to simple foods
Skin rash, allergic reactions, sweating, flushing, feeling warm, dizziness, feeling faint due to low blood pressure, and changes in heart-rate If any of these become troublesome, speak with your doctor. Do not drive or use tools or machines while you feel dizzy or faint

Important: If you experience any unusual or unexplained bleeding or bruising speak with your doctor.

If you experience any other symptoms which you think may be due to this medicine, speak with your doctor or pharmacist.

  • Keep all medicines out of the reach and sight of children.
  • Store in a cool, dry place, away from direct heat and light.

  • If you are having an operation or any dental treatment, tell the person carrying out the treatment which medicines you are taking.
  • Never take more than the prescribed dose. If you suspect that you or someone else has taken an overdose of this medicine, go to the accident and emergency department of your local hospital at once. Take the container with you, even if it is empty.
  • This medicine is for you. Never give it to other people even if their condition appears to be the same as yours.
  • Never keep out of date or unwanted medicines. Take them to your local pharmacy which will dispose of them for you.
  • If you have any questions about this medicine ask your pharmacist.

Further reading & references

  • British National Formulary; 62nd Edition (Sep 2011) British Medical Association and Royal Pharmaceutical Society of Great Britain, London
  • Manufacturer's PIL, NimotopĀ® 30mg Tablets,; Manufacturer's PIL, NimotopĀ® 30mg Tablets, Bayer plc, electronic Medicines Compendium. Dated December 2009.
Original Author: Helen Allen Current Version: Peer Reviewer: Dr Adrian Bonsall
Last Checked: 20/02/2012 Document ID: 3370  Version: 25 © EMIS

Disclaimer: This article is for information only and should not be used for the diagnosis or treatment of medical conditions. EMIS has used all reasonable care in compiling the information but make no warranty as to its accuracy. Consult a doctor or other health care professional for diagnosis and treatment of medical conditions. For details see our conditions.

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