Milk of Magnesia
Milk of Magnesia

Milk of Magnesia

Milk of Magnesia
Magnesia Milk is a liquid ingestible medicine used to treat indigestion, acid reflux, heartburn, excess wind and stomach discomforts. It is also suitable to relieve constipation.
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MHRA Approved medication
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What is Milk of Magnesia?

Milk of Magnesia is a gentle, soothing relief for symptoms of an upset stomach and indigestion. The easy-to-use liquid formula is suitable for treating occasional constipation in adults and children, as well as acid reflux, excess wind and heartburn. 

How does it work?

Milk of Magnesia contains the active ingredient magnesium hydroxide which is classed as a saline laxative medicine. It works by causing the stool to retain water which increases the number of bowel movements by making the stool softer to pass. 

Is Milk of Magnesia suitable for me?

Milk of Magnesia is suitable for use by adults and childre aged 3 and over. Consult with a doctor before using this medication if you have kidney problems, are taking any other medicines or if you are pregnant or breastfeeding. 

The product images shown may represent the range of products, or be for illustration purposes only and may not be an exact representation of the product.

Side Effects

All medications can cause potential side effects, below we have listed some potential side effects, however, these do not always occur.

  • Diarrhoea 

If laxative dose is needed every day or if there is consistent abdominal pain, speak with your doctor. 

Disclaimer: This website does not constitute as medical advice, you should also consult with a doctor before taking medication. If you experience any major reactions to any medication you are taking, you must seek immediate medical attention.


Commonly Used Dosage Guidelines for Milk of Magnesia.

Milk of Magnesia can be taken with milk or water if preferred. Ensure you drink plenty of fluid during the course of your treatment.

For adults:

  • Take one to two 5ml spoonfuls.
  • Repeat as necessary.
  • Only take a maximum of twelve 5ml spoonfuls (60ml) in 24 hours. 

For ages 3-12:

  • Give one 5ml spoonful.
  • Repeat as necessary to a maximum of six 5ml spoonfuls (30ml) in 24 hours. 

Do not use Milk of Magnesia for more than 14 days. 

Disclaimer: This website does not provide medical advice. No information listed on this website is intended to be a substitute for professional medical advice, diagnosis or treatment. Always seek the advice of your physician or other qualified health care provider with any questions you may have regarding a medical condition or treatment before undergoing a new health care regimen, and never disregard professional medical advice or delay in seeking it because of something you have read on this website.


Next Day Delivery Guarantee

All orders placed before 14:00 on weekdays will be delivered the next working day. For the majority of the UK, medication will be dispatched by Royal Mail, Monday to Friday, if ordered before 14:00. Dispatches are sent using Royal Mail's Next-Day Tracked 24-Hour service. We will email you tracking information directly and you should receive your order the day after dispatch.


Our Discreet Packaging Promise

We know that many of our customers turn to us when they need personal medication, preferring to use our online service rather than shopping for the product face to face. That is why our delivery is always discreetly packaged in plain brown boxes or enveloped. You will not have to worry about any content descriptions, and the package will be for your eyes only!

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How to place an order
Checkout online

Add your item to the cart and checkout securely using our express checkout online.

Next day delivery

Once you have placed an order you should receive it the next working day if you placed the order before 14:00 or the day after if placed after 14:00.

Recieve your order

It is that straightforward, you will now recieve your order to the comfort of your home or delivery address.

Can I use Milk of Magnesia for constipation?

Yes, Milk of Magnesia is suitable for treating constipation. It works by causing water to be retained in the stool so it can be passed more easily.

Is Milk of Magnesia a strong laxative?

Milk of Magnesia contains the ingredient magnesium hydroxide, which usually causes a bowel movement within 30 minutes to 6 hours after taking it. 

Ask your doctor or pharmacist if Milk of Magnesia is suitable for you.

Can Milk of Magnesia be used for babies?

Milk of Magnesia should only be given to children aged under 3 years on the advice of your doctor.

How long can I use Milk of Magnesia for?

Milk of Magnesia should only be used for 1 week. If you are still experiencing symptoms, speak with your doctor.

Why Welzo
Convenient and fast
Convenient and fast

Welzo over the counter products are shipped out for next day delivery if placed before 14:00.

UK Based Pharmacy
UK Based Pharmacy

We only work with UK based pharmacies. All of our pharmacy partners are registered with GPhC.

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Rated 4.9/5 on Trustindex

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