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Betahistine Hydrochloride 8 mg tablets – patient leaflet, side effects, dosage

Last updated: · Text from the MHRA, as of · About this document

Medicine status: Prescription only (POM) Details

Medicine strength:
8 mg
Other strengths and forms:
Contains active substance:

Patient leaflet - Betahistine Hydrochloride 8 mg tablets

WHAT YOUR MEDICINE IS AND WHAT IT IS USED FOR

The name of your medicine is Betahistine

Dihydrochloride 8mg or 16mg Tablets. Betahistine

Dihydrochloride is a type of medicine called a histamine analogue. It is used as a treatment for Ménière’s

syndrome, a condition caused by the pressure of excess fluid in the inner ear. Betahistine Dihydrochloride is

thought to work by improving blood flow in the inner ear, which reduces the buildup of pressure. It is this pressure in the ear which is thought to cause the vertigo

(dizziness), tinnitus (ringing in the ears) and hearing loss suffered by people with Ménière’s disease

2.

WHAT YOU NEED TO KNOW BEFORE YOU TAKE YOUR MEDICINE

conditions (e.g. terfenadine, diphenhydramine and chlorpheniramine).

These may in theory lower the effect of this medicine. This medicine may also lower the effect of antihistamines.

  • Monoamine-oxidase inhibitors (MAOIs) - used to treat depression or Parkinson’s disease. These may inhibit metabolism of Betahistine Dihydrochloride.

Taking this medicine with food and drink

You can drink alcohol while taking this medicine. You can take this medicine with or without food.

Pregnancy and breast-feeding

Do not take Betahistine Dihydrochloride if you are pregnant unless your doctor has decided that it is absolutely necessary. Ask your doctor for advice.

Do not take your medicine if you:

  • have ever had an allergic reaction to Betahistine Dihydrochloride or any of the other ingredients listed in Section 6, Contents of the pack and other information
  • have phaeochromocytoma (a tumour associated with the adrenal gland which causes high blood pressure)

Warnings and precautions

Talk to your doctor, pharmacist or nurse before taking

Betahistine Dihydrochloride if you:

  • have or have ever had a stomach or intestinal ulcer
  • have asthma
  • have a condition called porphyria
  • are pregnant or planning to become pregnant
  • are breast-feeding

If any of the above applies to you, talk to your doctor

before taking this medicine. Your doctor will tell you

whether it is safe for you to start taking this medicine.

Your doctor may also want to monitor your asthma while you take this medication.

Do not breast-feed while using Betahistine

Dihydrochloride unless instructed by your doctor. It is not known if Betahistine Dihydrochloride passes into breast milk.

Driving and using machinery

It is unlikely that these tablets will affect your ability to drive or operate machinery. However, remember the diseases for which you are being treated with Betahistine Dihydrochloride (vertigo, tinnitus and hearing loss associated with Ménière’s syndrome) can make you feel dizzy or be sick and can affect your ability to drive or use machines.

Important information about one of the ingredients in your medicine

These tablets contain lactose monohydrate. If you have been told by your doctor that you have an intolerance to some sugars, contact your doctor before taking this medicinal product.

Taking other medicines

Tell your doctor or pharmacist if you are taking, or have recently taken any other medicine, even those not

prescribed by a doctor. In particular, tell your doctor or

pharmacist if you are taking any of the

following medicines:

  • Antihistamines, which are used to relieve allergic

    3.

HOW TO TAKE YOUR MEDICINE

Always take this medicine exactly as your doctor or pharmacist has told you. Check with your doctor or pharmacist if you are not sure.

The tablets should be swallowed whole with a sufficient quantity of liquid (e.g. one glass of water).

Take the tablet with or after a meal.

Adults

The recommended dose is 16mg three times daily (48mg), preferably taken with meals.

This medicine may take some time to have its full effect, so do not worry if you do not feel better right away. Your doctor may adjust the dose depending on your response. Do not adjust the dose unless told to do so by your doctor.

Use in Children and adolescents

This medicine should not be given to children under the age of 18 years.

How to stop taking your medicine

Keep taking your tablets until your doctor tells you to stop. Even when you start feeling better, your doctor may want you to carry on taking the tablets for some time to make sure that the medicine has worked completely.

If you take more of your medicine than you should

If you take more tablets than you should, tell your doctor immediately or go to the nearest hospital. Take the medicine pack with you.

If you forget to take your medicine

Take your tablets as soon as you remember. If it is almost time for your next dose, wait until that is due and continue as normal. Do not take a double dose to make up for the forgotten dose. Do not take two doses within approximately two hours of each other.

If you have any further questions on the use of this product, ask your doctor, pharmacist or nurse.

4. POSSIBLE SIDE EFFECTS

Like all medicines, this medicine can cause side effects, although not everybody gets them.

STOP taking Betahistine Dihydrochloride Tablets and see your doctor or nearest hospital casualty department IMMEDIATELY if you experience:

  • an allergic reaction. Symptoms of an allergic reaction include; skin rashes, inflamed itchy skin, swelling of the lips, face, throat or tongue, difficulty breathing or swallowing.

Other common side effects (may affect up to 1 in 10) are:

  • feeling sick (nausea)
  • headaches
  • indigestion (dyspepsia)

Other side effects (frequency not known-cannot be estimated from the available data)

  • mild gastric complaints such as being sick (vomiting)
  • abdominal pain and bloating
  • stomach upsets
  • itching and skin rashes
  • swelling of the skin (angioneurotic oedema)
  • hives

    Taking this medicine with food can help reduce any stomach problems.

    If any side effects get serious, or if you notice any side effects not listed in this leaflet, please tell your doctor or pharmacist.

    Reporting of side effects

    If you get any side effects, talk to your doctor, pharmacist or nurse. This includes any possible side effects not listed in this leaflet. You can also report side effects directly via the Yellow Card Scheme at: www.mhra.gov.uk/yellowcard or by searching for MHRA Yellow Card in the Google Play or Apple App Store. By reporting side effects you can help provide more information on the safety of this medicine.

    5.

HOW TO STORE YOUR MEDICINE

Keep this medicine out of the sight and reach of children. Do not use this medicine after the expiry date which is stated on the carton. The expiry date refers to the last day of that month.

Do not store above 25°C. Store the tablets in the original package.

This medicine should preferably be locked in a cupboard or medicine cabinet.

Do not throw away any medicines via wastewater or household waste. Ask your pharmacist how to throw away medicines you no longer use. These measures will help to protect the environment.

6.

CONTENTS OF THE PACK AND OTHER INFORMATION

What this medicine contains

  • The active substance is Betahistine Dihydrochloride.
  • The other ingredients are: povidone K90, microcrystalline cellulose, lactose monohydrate, colloidal anhydrous silica, crospovidone and stearic acid.

What this medicine looks like and contents of the pack

Betahistine Dihydrochloride 8mg Tablets: White, circular, flat tablets marked with B8 on one side. Each tablet contains 8mg Betahistine Dihydrochloride.

Betahistine Dihydrochloride 16mg Tablets: White, circular, flat tablets marked with B16 on one side and a breakline on the other side. Each tablet contains 16mg Betahistine Dihydrochloride.

Pack sizes: 60, 84, 90, 100 and 120 tablets. Not all pack sizes may be marketed.

Marketing Authorisation Holder

Kent Pharmaceuticals Limited, 2nd Floor, Connect 38, 1 Dover Place, Ashford, Kent, England, TN23 1FB.

Manufacturers responsible for batch release

Kent Pharmaceuticals Limited, Repton Road, Measham, DE12 7DT, U.K.

PL 08215/0201 and PL 08215/0202

This leaflet was last revised in July 2025.

CP.BET.JNT.T.IS.V8P1

About this document

Source: MHRA - Medicines and Healthcare products Regulatory Agency (products.mhra.gov.uk) · Marketing authorisation: PL 08215/0201

Last revision stated in the text: July 2025 · MHRA data as of 13 October 2026

Found a mistake? Tell us on the contact page.

The information on this site does not replace the advice of a doctor or pharmacist.

Facts about Betahistine Hydrochloride 8 mg tablets

Prescription needed? Yes, prescription-only medicine (POM)
Active substance Betahistine
Strength 8 mg
Pharmaceutical form Oral tablet
Betahistine Dihydrochloride 8mg Tablets are white, circular, flat, bevelled edged tablets marked B8 on one side.
How is it taken Oral
Excipients Povidone K90, Microcrystalline cellulose, Lactose monohydrate, Colloidal anhydrous silica, Crospovidone, Stearic acid
Pack sizes 84 tablet, 120 tablet
Is it available? Listed as available (NHS Dictionary of Medicines and Devices – not a record of current supplies)
Shelf life 3 years.
Storage Do not store above 25°C. Store in the original package. Keep container in the outer carton.
Drug group (ATC) Anti-vertigo preparations. ATC-Code: N07CA01
  1. N Nervous system drugs
    1. N07 Other nervous system drugs
      1. N07C Antivertigo preparations
        1. N07CA Antivertigo preparations
          1. N07CA01 betahistine
Marketing authorisation PL 08215/0201 (first authorised 23 March 2000)
Marketing authorisation holder Kent Pharmaceuticals Limited, 2nd Floor, Connect 38, 1 Dover Place, Ashford, Kent, England, TN23 1FB
Codes GTIN 5015201004523, 5015201006626 · BNF 04060000

Sources: the MHRA product information (products.mhra.gov.uk) and the NHS Dictionary of Medicines and Devices (dm+d), release 10.2.0 of 19 October 2026, NHS Business Services Authority. Contains public sector information licensed under the Open Government Licence v3.0.