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Methocarbamol 750mg/5ml Oral Suspension – patient leaflet, side effects, dosage

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

Medicine status: Prescription only (POM) Details

Medicine strength:
750 mg/5 ml (150 mg/ml)
Contains active substance:
Similar medicines:

Patient leaflet - Methocarbamol 750 mg/5 ml oral suspension

1.What Methocarbamol Oral Suspension is and what it is used for

Methocarbamol oral suspension contains the medicine methocarbamol which belongs to a group of medicines called muscle relaxants.

Methocarbamol oral suspension is used for the short-term treatment of pain and muscle spasm caused by injuries such as sprains and strains, within adults.

2.What you need to know before you take Methocarbamol oral suspension

Do not take Methocarbamol oral suspension if you

  • Are allergic (hypersensitive) to methocarbamol, or have had any problems in the past with medicines containing methocarbamol
  • Are allergic to any of the other ingredients of this medicine (listed in section 6) ■ Have ever suffered any brain damage or coma
  • Suffer from epilepsy or convulsions
  • Suffer from muscle weakness (a disease called myasthenia gravis)

Warnings and precautions

Tell your doctor or pharmacist before taking Methocarbamol oral suspension if you: ■ are pregnant or thinking of becoming pregnant

  • are breastfeeding
  • have, or have had, any kidney or liver problems
  • are having any medical investigations or tests as Methocarbamol oral suspension could interfere with the results.Tell your doctor that you are taking Methocarbamol oral suspension before you have the test.

If you are not sure if any of the above applies to you, talk to your doctor or pharmacist before taking methocarbamol oral suspension.

Children and adolescents

This medicine is not intended for use in children due to a lack of data.

Other medicines and Methocarbamol oral suspension

Tell your doctor or pharmacist if you are taking or have recently taken or might take any other medicines.This includes medicines you buy without a prescription, including herbal medicines.This is because Methocarbamol affects the way some other medicines work.

Also some medicines can affect the way methocarbamol works.

If you are taking any of the following medicines, you should tell your doctor or pharmacist as Methocarbamol oral suspension may interact with them:

  • Barbiturates which can be taken for epilepsy or to help you sleep.
  • Appetite suppressants to help you lose weight.
  • Medicines for stomach upsets or sea-sickness (anti-cholinergics).
  • Psychotropic drugs for the treatment of anxiety, depression or other mental illnesses. ■ If you are due to have anaesthetic for any reason, tell your doctor or dentist that you are taking

    Methocarbamol oral suspension.

If you are not sure if any of the above applies to you, talk to your doctor or pharmacist before taking methocarbamol oral suspension.

Methocarbamol oral suspension with food, drink and alcohol

Do not drink alcohol while you are taking Methocarbamol oral suspension.Take Methocarbamol oral suspension with a glass of water.

Pregnancy, Breast-feeding and fertility

Do not take this medicine if you are pregnant or might become pregnant unless your doctor tells you to. Contact your doctor if you think you may be pregnant or are intending to become pregnant.

Do not take Methocarbamol oral suspension if you are breast-feeding or planning to breast-feed.

No data are available concerning the effect of this medicine on human fertility.

Driving and using machines

Methocarbamol oral suspension may make you feel sleepy and may affect your ability to drive, operate machinery and carry out other hazardous activities.These activities should therefore be avoided altogether until you are sure you are not affected.

Sodium content

This medicine contains less than 1 mmol sodium (23 mg) per 5ml, that is to say essentially ‘sodium-free’.

Sodium benzoate content

This medicine contains 5mg sodium benzoate (E211) in each ml unit which is equivalent to 200mg total in the maximum daily dose.

3. How to take Methocarbamol oral suspension

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

Adults:Take 1500 mg Methocarbamol four times a day. Sometimes a lower dose may be sufficient.You should spread the doses as evenly as possible over a 24-hour period.

Elderly: older patients may only need half the usual dose to give the same relief from the pain and muscle spasms.

Children:The Methocarbamol oral suspension should not be given to children.

Liver impairment: you may need a longer interval between taking the suspension if you have liver disease. You should always follow your doctor’s instructions carefully.

The Methocarbamol oral suspension is for short-term treatment.Take it for as long as your doctor has recommended, or until you no longer need it to ease the pain. Any unused medicine should be returned to your pharmacist.

Take Methocarbamol oral suspension with a glass of

water.

Measuring your dose

Instructions for use

The oral suspension must be shaken well before use.

  • Open the bottle: press the cap and turn it

    anticlockwise (Figure 1).

  • Insert the syringe adaptor into the bottle neck

    (Figure 2).

  • Take the syringe and put it in the adaptor opening

    (Figure 3).

  • Turn the bottle upside down (Figure 4).
  • Fill the syringe with a small amount of solution

    by pulling the piston down (Figure 4A).Then

    push the piston upward in order to remove

    any possible bubbles (Figure 4B). Finally,

    pull the piston down to the graduation mark

    corresponding to the quantity in millilitres (ml)

    prescribed by your doctor (Figure 4C).

  • Turn the bottle the right way up (Figure 5A).
  • Remove the syringe from the adaptor (Figure

    5B).

  • Put the end of the syringe into your mouth

    and push the piston slowly back in to take the

    medicine.

  • Wash the syringe with water and let it dry before you use

    it again (Figure 6).

  • Close the bottle with the plastic screw cap - leave the

    syringe adaptor in the bottle.

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Cleaning and storing the syringe:

  1. 1. Wash the syringe with water and let it dry before you use it again/after each dose. Instructions for how to wash the syringe: pull the plunger out of the syringe and wash both parts in warm soapy water.Then rinse with water (see figure 6 above).
  2. 2. Dry the two parts. Push the plunger back into the syringe. Keep it in a clean safe place with the medicine.

If you take more Methocarbamol oral suspension than you should

It is important to stick to your prescribed dose. If you or someone else takes too much medicine, contact your doctor or nearest hospital emergency department immediately. Always take any medicine left over with you and also the bottle of Methocarbamol oral suspension, as this will allow easier identification of the medicine.

If you forget to take Methocarbamol oral suspension

If you forget to take a dose, simply take the next dose when it is due. Always leave at least 4 hours before taking any more dose of the methocarbamol oral suspension. DO NOT TAKE A DOUBLE DOSE OF SUSPENSIONTO MAKE UP FOR A MISSED DOSE.

If you stop taking Methocarbamol oral suspension

Keep taking methocarbamol oral suspension until your doctor tells you to stop.

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

4. Possible side effects

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

STOP taking your suspension and tell your doctor immediately if you experience any of the following rare symptoms:

  • Confusion, convulsions, fits, and rash or swelling of the face or neck and shortness of breath which may be a sign of an allergy.

If you notice any of these symptoms, you should contact your doctor:

  • Yellowing of the skin and/or whites of the eyes.

The levels of your white blood cells may also be reduced which can lead to recurrent: ■ Infections,

  • Mouth ulcers.

If any of the following side effects are troublesome, you should tell your doctor: ■ Drowsiness, difficulty in sleeping,

  • Restlessness, anxiety or worry,
  • Dizziness,
  • Memory loss,
  • Blurred or double vision, rapid or unusual eye movements,
  • Reddening of the eyes together with nasal stuffiness,
  • Feeling sick or vomiting,
  • Heartburn,
  • Taste disturbance,
  • Tremor or shakiness, mild muscle incoordination,
  • Headache,
  • Fever,
  • Itching,
  • A slow heartbeat,
  • Flushing,
  • Fainting or feeling faint,
  • Low blood pressure.

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 theYellow Card Scheme, Website: http://www.mhra.gov.uk/yellowcard or search for MHRAYellow Card in the Google Play or Apple App Store. By reporting side affects you can also provide more information on the safety of this medicine.

5. How to store Methocarbamol oral suspension

  • Keep this medicine out of the sight and reach of children.
  • Do not use Methocarbamol oral suspension after the expiry date which is stated on the label of the container after “EXP”.The expiry refers to the last day of the month.
  • Use within 30 days of opening the bottle.
  • Do not throw away any medicines via waste water 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 Methocarbamol oral suspension contains

Methocarbamol oral suspension

  • Each ml of oral suspension contains 150 mg Methocarbamol.

The other ingredients are:

  • Sodium Benzoate (E211), Glycerine, Magnesium Aluminium silicate, Cellulose gum, Citric acid monohydrate,

    Tri-Sodium citrate dihydrate, Sucralose,Tutti-Frutti flavour and Purified water.

What Methocarbamol oral suspension looks like and contents of the pack

Methocarbamol 750mg/5ml oral suspension is a ‘white to off white suspension’.

Methocarbamol 750mg/5ml oral suspension packaged in 180 ml type III Amber glass bottle with PP 28mm white CR closure lined withTE EPE

The package also contains a 10ml oral syringe with markings at 1ml and 0.25 ml intervals, along with an adapter.

Marketing authorisation holders

Rosemont Pharmaceuticals Ltd,

Yorkdale Industrial Park, Braithwaite Street,

Leeds, LS11 9XE, UK.

Tel: + 44 (0) 113 244 1400

Manufacturer

LM Manufacturing Limited,

Sandretto Building, Cavalry Hill Industrial Park,

Weedon, Northampton, NN7 4PP,

United Kingdom

Other sources of information

If you would like the leaflet in an alternative format information (braille or large print), for blind and partially sighted patients, please contact marketing authorisation holder listed above.

This leaflet was last revised in January 2026.

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About this document

Source: MHRA - Medicines and Healthcare products Regulatory Agency (products.mhra.gov.uk) · Marketing authorisation: PL 00427/0311

Last revision stated in the text: January 2026 · 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 Methocarbamol 750 mg/5 ml oral suspension

Prescription needed? Yes, prescription-only medicine (POM)
Active substance Methocarbamol
Strength 750 mg/5 ml (150 mg/ml)
Pharmaceutical form Oral suspension
White to off-white suspension.
How is it taken Oral
Excipients Sodium benzoate (E211), Glycerine, Magnesium Aluminium silicate, Cellulose gum, Citric acid monohydrate, Tri-Sodium citrate dihydrate, Sucralose, Tutti-frutti flavour, Purified water
Pack sizes 150 ml
Is it available? Listed as available (NHS Dictionary of Medicines and Devices – not a record of current supplies)
Shelf life 24 months (unopened)
30 days (opened)
Storage This medicinal product does not require any special storage conditions.
Drug group (ATC) Muscle relaxants, centrally acting agents; Carbamic acid esters
  1. M Musculo-skeletal system drugs
    1. M03 Muscle relaxants
      1. M03B Muscle relaxants, centrally acting agents
        1. M03BA Carbamic acid esters, centrally acting muscle relaxants
          1. M03BA03 methocarbamol
Marketing authorisation PL 00427/0311 (first authorised 13 March 2026)
Marketing authorisation holder Rosemont Pharmaceuticals Ltd
Codes GTIN 5016119001406 · BNF 10020200

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.