Antacids are not always suitable for everyone, sometimes they need to be taken with caution or avoided completely.
Use in children
Many antacid medicines are not recommended for children under the age of 12.
Antacids that contain calcium are not recommended for long-term use in children because they can interfere with the rate that calcium is absorbed into the body and carried through the bloodstream. The right levels of calcium are vital for healthy bones and childhood development.
Prolonged use of antacids that contain calcium can also lead to muscle weakness and cramps.
Furthermore, there have been a number of cases linking the prolonged use of antacids that contain magnesium and aluminium with rickets, a developmental disorder in infants that causes softening and weakening of the bones.
Always read the patient information leaflet that comes with a medicine to ensure it is suitable for children. Check the correct dosage and seek the advice of your GP or pharmacist about giving antacids to children under 12 years old.
Use in pregnancy
Most types of antacids are generally considered to be safe to take during pregnancy.
However, if you are pregnant or breastfeeding, seek advice from your GP or pharmacist before taking antacids.
Use with other conditions
In some cases, you may be advised not to use some antacids if you have a certain health condition.
Speak to your GP or pharmacist if you have an existing health condition and are unsure whether antacids are suitable for you.
You can also check the patient information leaflet that comes with all medication to ensure the medicine is suitable for you.
Use with other medicines
Taking antacids can sometimes interfere with your body’s ability to absorb other medications you may be taking.
Therefore, you may be advised to stop taking other medication while you are taking antacids.
For example, you may not be able to take calcium supplements for a condition such as osteoporosis at the same time as some antacids. Antacids can also alter the effectiveness of some antibiotics.
However, it’s important never to stop taking a medication prescribed for you without first consulting your GP or another suitably qualified healthcare professional.
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Overview - Who cannot take antacid medicines?
