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Antacids

Drug Class: Commonly Known As: Category:
Antacids Gaviscon Adult

Antacids - Side Effects, Precautions, and Contraindications

What side effects can Antacids cause?

  • Antacids containing aluminum may cause constipation
    • If this happens, use an antacid that does not contain aluminium instead
  • Antacids containing magnesium may cause diarrhoea
    • If this happens, use an antacid that does not contain magnesium instead

The symptoms of a drug allergy include one or more of the following:

  • Swollen face/eyes/lips/tongue
  • Difficulty in breathing
  • Itchy skin rashes over your whole body

If you experience any of these symptoms, you should stop your medication and see your healthcare professional immediately.

Before taking Antacids, what precautions must I follow?

​Inform your healthcare professional if:

  • You are allergic to this medicine or any of the other ingredients of this medicine
  • You have a history of liver disease, kidney disease or heart failure
  • You are taking or intend to take any other medicines, supplements, traditional medications or herbal remedies

What food or medicine must I avoid when I take Antacids?

​This medicine may lower the absorption of medicines such as:

  • Antibiotics
  • Osteoporosis medicines
  • Medicines to treat low thyroid level

Antacids must be taken apart from these medicines by two hours.

Antacids - Additional Information

​Signs that your condition may require further medical attention include:

  • Shortness of breath, hoarseness, wheezing, teeth erosion and ear infection
  • Pain on swallowing, swallowing difficulty, blood in the stools or vomit, chest pain, unintended weight loss and jaundice (yellowing of the skin and whites of the eyes)
  • Heartburn symptoms occurring for more than 3 times a week with significant impact on quality of life
  • Heartburn symptoms continuing for more than 2 weeks despite self-treatment
  • Heartburn symptoms continuing for over 3 months regardless of self-treatment
  • You are over 40 years old and experiencing heartburn symptoms for the first time
  • Tags: Antacids
  • Updated on Tuesday, December 31, 2019
  • Article contributed by PSS National Medication Information Workgroup PSS National Medication Information Workgroup

    The information provided is not intended as medical advice. Terms of use. Information provided by SingHealth

    If you take more than the recommended dose, please seek medical advice immediately. The information provided on this page does not replace information from your healthcare professional. Please consult your healthcare professional for more information.

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