Magnesium Hydroxide (milk Of Magnesia)
Uses of Magnesium Hydroxide (milk Of Magnesia)
The primary use of Magnesium Hydroxide (Milk of Magnesia) is as an osmotic laxative and antacid, which belongs to the group of gastrointestinal agents.
It may also be used to prevent or treat low magnesium levels in the blood.
Side effects of Magnesium Hydroxide (milk Of Magnesia)
Diarrhoea
Abdominal cramps
Weakness
Nausea
Slow breathing
How Magnesium Hydroxide (milk Of Magnesia) works
Magnesium Hydroxide (Milk of Magnesia) is an over-the-counter medication primarily known as an osmotic laxative and an antacid. As a laxative, it works on a principle called osmosis, attracting and retaining water in the intestines. As an antacid, it acts as a base that neutralises the excess stomach acid.
In some cases, it may also be used as a dietary supplement to prevent or manage low magnesium levels in the blood. Magnesium is an essential mineral required for numerous bodily functions.
Certified content
Written By
Doctor of Medicine
Reviewed By
BMS, FMC, MD Resident
Expert Advice
Dosage Forms Available
Magnesium Hydroxide (Milk of Magnesia) is available for use via the oral route as a liquid suspension.
It can also be administered as chewable tablets and regular tablets or capsules for convenient intake.
Age and Dose Restrictions
This medicine is generally safe for use by adults and children above the age of 12 years.
Contraindications
Magnesium Hydroxide (Milk of Magnesia) should not be used in patients with known cases of appendicitis or bowel obstruction due to the risk of complications.
It is also contraindicated in patients with severe kidney disease due to the higher risk of magnesium toxicity.
Other Medications to Avoid
Magnesium Hydroxide (Milk of Magnesia) may interact with antibiotics (such as tetracyclines and quinolones), heart medication like (digoxin) and thyroid medicine (like levothyroxine).
Overdose and Missed Dose
An overdose of Magnesium Hydroxide (Milk of Magnesia) may cause severe diarrhoea, dehydration, and high magnesium levels. Seek immediate medical attention if an overdose is suspected.
If a dose is missed, it should be taken as soon as remembered. However, avoid doubling up on the dose to make up for the one missed.
Management of Side Effects
Most side effects are temporary and generally harmless and resolve when discontinuing this medicine. However, if you experience any severe side effects or worsening of any of the symptoms, please consult your doctor.
Drinking ample water may help in managing diarrhoea caused by this medicine.
Reducing the intake amount can ease abdominal cramps.
Using the lowest effective dose can prevent most side effects.
Use in Driving and Operating Machinery
Magnesium Hydroxide (Milk of Magnesia) does not generally affect your ability to drive or operate heavy machinery. However, if you feel dizzy or drowsy after taking the medicine, you should avoid such activities.
Use in Pregnancy and Lactation
Magnesium Hydroxide (Milk of Magnesia) is generally safe for use during pregnancy and breastfeeding in recommended doses, but it is always advisable to consult with your doctor before use.
Caution in Other Conditions
Patients with kidney impairment need to exercise caution while using Magnesium Hydroxide (Milk of Magnesia) due to the higher risk of magnesium toxicity.
Severely dehydrated patients should also use this medicine with caution as it might worsen fluid loss.
Special Dietary and Lifestyle Recommendations
Incorporating a diet rich in fibre can assist with constipation issues.
Regular physical activity can also assist in maintaining regular bowel movements and reducing indigestion issues.
Frequently asked questions
Is Magnesium Hydroxide (Milk of Magnesia) a natural substance?
Yes, Magnesium Hydroxide (Milk of Magnesia) is a natural mineral that occurs as the rare mineral brucite. However, in medicine, it is typically synthetically produced for purity and efficacy.
Are there any vegetarian or vegan concerns with taking Magnesium Hydroxide (Milk of Magnesia)?
Magnesium Hydroxide (Milk of Magnesia) itself is a mineral and does not contain any animal-derived ingredients. However, the formulation may vary, and it is always advisable to check the product label or consult with your doctor if you have any specific dietary restrictions.
Can I develop an addiction to Magnesium Hydroxide (Milk of Magnesia)?
No evidence suggests you can become addicted to Magnesium Hydroxide (Milk of Magnesia). However, long-term use, especially as a laxative, is not recommended as it can lead to dependence and electrolyte imbalances.
Can I use Magnesium Hydroxide (Milk of Magnesia) as a magnesium supplement?
In some cases, yes. If you have low magnesium levels in your blood, your doctor might recommend using Magnesium Hydroxide (Milk of Magnesia) as a supplement. However, do not self-medicate without consulting your doctor first.
Does taking Magnesium Hydroxide (Milk of Magnesia) affect my mood or sleep?
Magnesium Hydroxide (Milk of Magnesia) is not directly associated with affecting your mood or sleep. However, relief from symptoms of indigestion or constipation might indirectly improve your comfort and rest.
Does Magnesium Hydroxide (Milk of Magnesia) have any impact on menstruation?
Magnesium Hydroxide (Milk of Magnesia) is not directly associated with impacting menstruation. If you have any concerns, consult your doctor.
Are there natural alternatives to Magnesium Hydroxide (Milk of Magnesia)?
Yes, there are natural alternatives for relief from constipation and indigestion such as dietary changes, increasing fluid intake and physical activity. However, these should not replace a consultation with your doctor if you are experiencing frequent or severe symptoms.
Magnesium Hydroxide (milk Of Magnesia) in other salts
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