Magnesium hydroxide

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# Overview
Magnesium hydroxide is an antacid that is FDA approved for the treatment of saline laxative and antacid.   Common adverse reactions include hypermagnesemia.

# Adult Indications and Dosage

## FDA-Labeled Indications and Dosage (Adult)
- Relieves occasional constipation; generally produces a bowel movement in 1/2 to 6 hours.
- Drink a full glass (8 ounces) of liquid with each dose
- Adults and children 12 years and older: 2 to 4 tablespoons
- Adults and children 12 years and older: 1 to 3 teaspoons with water, up to 4 times daily
- Relieves heartburn, sour stomach & acid indigestion.
- Do not take more than 12 teaspoons in 24 hours
- Do not use maximum dosage for more than 2 weeks

## Off-Label Use and Dosage (Adult)

### Guideline-Supported Use
- Indigestion 

### NonGuideline-Supported Use
- Calcium renal calculus; Prophylaxis 
- Constipation.

# Pediatric Indications and Dosage

## FDA-Labeled Indications and Dosage (Pediatric)
- Children 6 to under 12 years: 1 to 2 tablespoons.
- Children 2 to under 6 years: 1 to 3 teaspoons.

## Off-Label Use and Dosage (Pediatric)

### Guideline-Supported Use
- Indigestion 
- Constipation.

### NonGuideline-Supported Use
There is limited information regarding Off-Label NonGuideline-Supported Use of Magnesium hydroxide in pediatric patients.

# Contraindications
There is limited information regarding Magnesium hydroxide Contraindications in the drug label.

# Warnings
Use caution if the following conditions coexist.
- Kidney disease.
- A magnesium-restricted diet.
- Stomach pain, nausea or vomiting.
- A sudden change in bowel habits that lasts over 2 weeks.
- Ask a doctor or pharmacist before use if you are taking any other drug.
- Antacids may interact with certain prescription drugs  laxatives may affect how other drugs work, so should be taken 2 or more hours before or after other drugs.
- When using this product as an antacid, it may have a laxative effect.
- Stop use and ask a doctor if have following symptoms.
- Rectal bleeding or no bowel movement after using this product. These could be signs of a serious condition
- If pregnant or breast-feeding, ask a health professional before use.

# Adverse Reactions

## Clinical Trials Experience
There is limited information regarding Magnesium hydroxide Clinical Trials Experience in the drug label.

## Postmarketing Experience
Hypermagnesemia

# Drug Interactions
There is limited information regarding Magnesium hydroxide Drug Interactions in the drug label.

# Use in Specific Populations

### Pregnancy
Pregnancy Category (FDA): D
There is no FDA guidance on usage of Magnesium hydroxide in women who are pregnant.
Pregnancy Category (AUS):
- Australian Drug Evaluation Committee (ADEC) Pregnancy Category
There is no Australian Drug Evaluation Committee (ADEC) guidance on usage of Magnesium hydroxide in women who are pregnant.

### Labor and Delivery
There is no FDA guidance on use of Magnesium hydroxide during labor and delivery.

### Nursing Mothers
There is no FDA guidance on the use of Magnesium hydroxide with respect to nursing mothers.

### Pediatric Use
There is no FDA guidance on the use of Magnesium hydroxide with respect to pediatric patients.

### Geriatic Use
There is no FDA guidance on the use of Magnesium hydroxide with respect to geriatric patients.

### Gender
There is no FDA guidance on the use of Magnesium hydroxide with respect to specific gender populations.

### Race
There is no FDA guidance on the use of Magnesium hydroxide with respect to specific racial populations.

### Renal Impairment
There is no FDA guidance on the use of Magnesium hydroxide in patients with renal impairment.

### Hepatic Impairment
There is no FDA guidance on the use of Magnesium hydroxide in patients with hepatic impairment.

### Females of Reproductive Potential and Males
There is no FDA guidance on the use of Magnesium hydroxide in women of reproductive potentials and males.

### Immunocompromised Patients
There is no FDA guidance one the use of Magnesium hydroxide in patients who are immunocompromised.

# Administration and Monitoring

### Administration
- Oral

### Monitoring
There is limited information regarding Monitoring of Magnesium hydroxide in the drug label.

# IV Compatibility
There is limited information regarding IV Compatibility of Magnesium hydroxide in the drug label.

# Overdosage
There is limited information regarding Magnesium hydroxide overdosage.  If you suspect drug poisoning or overdose, please contact the National Poison Help hotline (1-800-222-1222) immediately.

# Pharmacology

## Mechanism of Action
There is limited information regarding Magnesium hydroxide Mechanism of Action in the drug label.

## Structure
There is limited information regarding Magnesium hydroxide Structure in the drug label.

## Pharmacodynamics
There is limited information regarding Pharmacodynamics of Magnesium hydroxide in the drug label.

## Pharmacokinetics
There is limited information regarding Pharmacokinetics of Magnesium hydroxide in the drug label.

## Nonclinical Toxicology
There is limited information regarding Nonclinical Toxicology of Magnesium hydroxide in the drug label.

# Clinical Studies
There is limited information regarding Clinical Studies of Magnesium hydroxide in the drug label.

# How Supplied
- Each 5 mL teaspoon contains: magnesium 165mg and sodium 2 mg

## Storage
- Store at room temperature
- Protect from freezing

# Images

## Drug Images

## Package and Label Display Panel

# Patient Counseling Information
- Shake well before using
- Drink a full glass (8 ounces) of liquid with each dose
- May be taken as a single or divided dose
- Adults and children 12 years and older: 2 to 4 tablespoons
- Children 6 to under 12 years: 1 to 2 tablespoons
- Children 2 to under 6 years: 1 to 3 teaspoons
- Children under 2 years: ask a doctor
- Do not take more than 12 teaspoons in 24 hours
- Do not use maximum dosage for more than 2 weeks
- Adults and children 12 years and older: 1 to 3 teaspoons with water, up to 4 times daily
- Children under 12 years: ask a doctor

# Precautions with Alcohol
- Alcohol-Magnesium hydroxide interaction has not been established. Talk to your doctor about the effects of taking alcohol with this medication.

# Brand Names
- MAGNESIUM HYDROXIDE 

# Look-Alike Drug Names
There is limited information regarding Magnesium hydroxide Look-Alike Drug Names in the drug label.

# Drug Shortage Status

# Price