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Boots Mucus Cough Relief 100mg/5ml Oral Solution

Active Ingredient:
THE BOOTS COMPANY PLC See contact details
About Medicine
The Patient Information Leaflet (PIL) is the leaflet included in the pack with a medicine.
Last updated on emc: 13 Feb 2024

Below is a text only representation of the Patient Information Leaflet (ePIL).

The text only version may be available in large print, Braille or audio CD. For further information call emc accessibility on {phone} 0800 198 5000. The product code(s) for this leaflet is: PL 00014/0554.

Boots Mucus Cough Relief 100 mg/5 ml Oral Solution


Boots Mucus Cough Relief 100 mg/5 ml Oral Solution Guaifenesin

  • Thins and loosens chest mucus
  • Non – Drowsy

150 ml

Read all of this carton for full instructions.

What this medicine is for

This medicine contains Guaifenesin, which belongs to a group of medicines called expectorants, which act to relieve thick, sticky mucus from the chest.

It can be used to relieve mucus coughs without causing drowsiness.

Before you take this medicine
Do not take:
  • If you are allergic to any of the ingredients in this medicine
  • If you are taking any other medicines to stop you coughing

Talk to your doctor:
  • If you have a long-term cough or asthma (do not take this medicine if you are wheezing or if you are having an asthma attack)

Talk to your pharmacist or doctor:
  • If you are pregnant or breastfeeding

Other important Information: This medicine may interfere with the results of urine tests. If you are having any urine tests, tell the doctor or hospital staff that you are taking this medicine.

Information about some of the ingredients: This medicine contains less than 1 mmol sodium (23 mg) per 5 ml, that is to say essentially 'sodium-free'. This medicine contains 1.8 g of liquid sugar (sucrose) per 5ml. This should be taken into account if you have diabetes. If you have been told by your doctor that you have an intolerance to some sugars, contact your doctor before taking this medicine. This medicine contains glycerol which may cause headache, stomach upset and diarrhoea.

How to take this medicine

Check the seal is not broken before first use. If it is, do not take the medicine.

Adults and children of 12 years and over: Take two 5 ml spoonfuls every four hours, up to 4 times a day

This medicine should be swallowed.

Do not give to children under 12 years.

Do not exceed the stated dose.

If a cough lasts for more than 5 days, or comes back, stop taking this medicine and talk to a pharmacist or doctor.

If symptoms do not go away talk to your doctor.

If you take too much: Talk to a pharmacist or doctor.

Possible side effects

Most people will not have problems, but some may get some.

If you get any of these serious side effects, stop taking the medicine. See a doctor at once:
  • Difficulty in breathing, swelling of the face, neck, tongue or throat (severe allergic reactions)

If you get any of the following side effects see your pharmacist or doctor:
  • Other allergic reactions (e.g. skin rash, red itchy skin)
  • Feeling sick, being sick, stomach discomfort

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 on this carton. You can also report side effects directly via the Yellow Card Scheme at: or search 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.

How to store this medicine

Do not store above 25°C.

Do not refrigerate or freeze.

Keep all medicines out of the sight and reach of children.

Use by the date on the end flap of the carton or on the label edge.

Active ingredient

Each 5 ml of oral solution contains Guaifenesin 100 mg.

Also contains: purified water, liquid sugar (sucrose), glycerol (E422), citric acid, sodium citrate, hyetellose, potassium sorbate (E202), acesulfame potassium, flavours (cream, blackcurrant, menthol).

PL 00014/0554

Text prepared 05/2023

Marketing Authorisation Holder:

The Boots Company PLC


BCM Ltd.
Thane Road
NG90 2PR

Other formats

To request a copy of this carton in Braille, large print or audio please call, free of charge:

0800 198 5000 (UK only)

Please be ready to give the following information:

Product name: Boots Mucus Cough Relief 100 mg/5 ml Oral Solution

Reference number: 00014/0554

This is a service provided by the Royal National Institute of Blind People.

If you need more advice ask your pharmacist.


Company image
1 Thane Road West, Beeston, Nottingham, NG2 3AA
+44 (0)1159 595 165
+44 (0)1159 592 565