What is a Patient Information Leaflet and why is it useful?

The Patient Information Leaflet (PIL) is the leaflet included in the pack with a medicine. It is written for patients and gives information about taking or using a medicine. It is possible that the leaflet in your medicine pack may differ from this version because it may have been updated since your medicine was packaged.

Below is a text only representation of the Patient Information Leaflet. The original leaflet can be viewed using the link above.

The text only version may be available in large print, Braille or audio CD. For further information call emc accessibility on 0800 198 5000. The product code(s) for this leaflet is: PL 12063/0039.

Boots Effervescent Health Salts



Citric acid, Magnesium Sulphate, Sodium Bicarbonate

Effective relief of indigestion, heartburn, upset stomach and occasional constipation 227 g e

Read all of this label for full instructions.

Uses: An antacid and laxative for the relief of upset stomach, heartburn, indigestion, feeling sick and for the relief of occasional constipation.

Before you take this medicine

Do not take:

  • If you are allergic to any of the ingredients
  • If you have severe stomach problems
  • If you have an intolerance to some sugars, unless your doctor tells you to (this medicine contains sucrose)

Talk to your pharmacist or doctor:

  • If you have heart, kidney or liver problems
  • If you have diabetes
  • If you need a laxative dose every day, or you have persistent abdominal pain, or if symptoms persist
  • If you are elderly, or feel very weak
  • If you are on a controlled sodium diet (each level teaspoon of powder contains 185 mg sodium)
  • If you are pregnant or breastfeeding

If you are taking any of the following medicines please see your doctor:

  • Tetracycline antibiotics (e.g. sumycin and tetracyn)

How to take this medicine

Check the inner seal is not broken before first use. If it is, do not use the powder.

Use a dry spoon to measure. Mix the amount recommended below with a glass of water and drink the solution, before it stops fizzing. Replace lid firmly after use.


For upset stomach, heartburn, indigestion, feeling sick: One or two teaspoonfuls.

For constipation: Take two teaspoonfuls before breakfast or at bedtime

Children of 3 years and over: Reduce the amount above according to size and age.

Do not give to children under 3 years.

Do not take this medicine for long periods of time (generally more than a week).

Do not exceed the stated dose.

If your symptoms persist or worsen talk to your doctor or pharmacist.

If you take too much of this medicine by mistake, contact your doctor or pharmacist straight away.

Possible side effects

Most people do not have any side effects while taking this medicine. However, if you experience any of the following side effects, or anything else unusual happens, stop taking the medicine immediately, and see your doctor or pharmacist:

  • colic, diarrhoea and belching.

On prolonged use in patients with kidney problems:

  • irritability
  • feeling or being sick (nausea or vomiting)
  • breathing difficulties
  • slow heart beat
  • light headedness, confusion
  • muscular twitches, weakness or cramps
  • numbness or tingling

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 label. You can also report side effects directly via the Yellow Card Scheme at: www.mhra.gov.uk/yellowcard. By reporting side effects you can help provide more information on the safety of this medicine.

Store in a dry place below 25°C and away from strong smells.

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

Use by the date on the base of the tub. Throw away any powder left 3 months after opening.

Active ingredients: This effervescent powder contains Citric Acid 19.5% w/w, Magnesium Sulphate 17.4% w/w, Sodium Bicarbonate 22.6% w/w.

Also contains: sucrose.


Text prepared 12/15

Manufactured for

The Boots Company PLC

by the MA holder

Wrafton Laboratories Limited
EX33 2DL

If you need more advice ask your pharmacist.