Why is this medication prescribed?

Magnesium hydroxide is used to treat occasional constipation in children and adults on a short-term basis. Magnesium hydroxide belongs to the group of drugs known as saline laxatives. It functions by making the stool retain more water. This causes the stool to become softer and easier to pass, increasing the frequency of bowel movements.

How should this medicine be used?

There are three different forms of magnesium hydroxide available for oral use: chewable tablets, tablets, and liquids. Typically, you take one dose per day, ideally right before bed, but you can also split the dose into two or more doses to spread it over the course of a day. Usually, consuming magnesium hydroxide results in a bowel movement 30 minutes to 6 hours later. Pay close attention to the instructions on the container or product label, and ask your pharmacist or doctor to clarify any parts you are unsure about. Administer magnesium hydroxide as prescribed. Never take more or less of it, or take it more frequently than your doctor has instructed.

Make sure the magnesium hydroxide you are providing your child is appropriate for their age by carefully reading the label on the bottle. Products containing magnesium hydroxide intended for adults should not be given to children. To find out how much medication the child needs, read the label on the box. If you are unsure about how much medication to give your child, ask their doctor.

Consume the chewable tablets, tablets, and solution while holding a full glass (8 ounces, or 240 milliliters) of fluids.

If you want to take magnesium hydroxide for more than a week, consult your physician first.

Before using the oral suspension, give it a good shake.

Other uses for this medicine

In addition, magnesium hydroxide is used as an antacid with other drugs to treat upset stomach, acid reflux, and heartburn.

Ask your doctor or pharmacist for more information if you think this medicine could be recommended for something else.

What special precautions should I follow?

Special Precautions for magnesium hydroxid:

• If you have an allergy to magnesium hydroxide, any other drug, or any of the ingredients in magnesium hydroxide preparations, let your doctor and pharmacist know. For an ingredient list, consult the product label or ask your pharmacist.
• Inform your physician and pharmacist about any additional prescription and over-the-counter drugs, vitamins, dietary supplements, and herbal remedies you now take or intend to use. Your doctor might need to carefully monitor you for any negative effects or adjust the dosages of your medications.
• Take any other drugs at least two hours before or after taking magnesium hydroxide if you are taking any.
• If you have nausea, vomiting, stomach discomfort, or a sudden change in your bowel habits that lasts longer than two weeks, let your doctor know. Additionally, disclose to your physician any history of kidney illness.
• Inform your physician if you are nursing a baby, intend to get pregnant, or are already pregnant. Contact your physician if you become pregnant while taking magnesium hydroxide.

Always follow your healthcare provider’s instructions carefully and communicate any concerns or side effects promptly.

What special dietary instructions should I follow?

• Dietary Considerations: Magnesium hydroxide can interfere with the absorption of certain medications and nutrients. To minimize this, take it at least 2 hours before or after other medications or meals.
• Hydration: Ensure adequate fluid intake while using magnesium hydroxide to prevent dehydration, especially if you are using it as a laxative.

What should I do if I forget a dose?

If you are using magnesium hydroxide and forget a dose, take it as soon as you remember unless it is close to the time of your next scheduled dose. In that case, skip the missed dose and resume your regular dosing schedule.

What side effects can this medication cause?

Magnesium hydroxide, when used as directed, generally has few side effects. However, some people may experience the following:

• Diarrhea: Magnesium hydroxide is often used as a laxative due to its ability to draw water into the intestines. In some cases, this can lead to loose stools or diarrhea, especially with higher doses.
• Abdominal Discomfort: Some individuals may experience cramping, bloating, or discomfort in the abdominal area, particularly if magnesium hydroxide is used as a laxative.
• Electrolyte Imbalance: Prolonged or excessive use of magnesium hydroxide can potentially lead to imbalances in electrolytes such as magnesium and calcium. This is more likely in individuals with kidney problems.
• Allergic Reaction: Although rare, allergic reactions to magnesium hydroxide can occur. Symptoms may include rash, itching, swelling, severe dizziness, or trouble breathing. Seek immediate medical attention if you experience any of these symptoms.
• Other Considerations: Long-term use or misuse of magnesium-containing laxatives can sometimes lead to dependency on laxatives for bowel movements. It’s important to use magnesium hydroxide according to the recommended dosage and duration.

As with any medication, if you experience any unusual or severe symptoms while using magnesium hydroxide, it’s crucial to contact your healthcare provider for advice. They can provide guidance on whether to continue use, adjust the dosage, or consider alternative treatments.

What should I know about storage and disposal of this medication?

Storage and Disposal of Magnesium Hydroxide:

• Storage: Store magnesium hydroxide at room temperature away from moisture and heat. Keep it tightly closed in its original container, out of reach of children and pets.
• Disposal: Dispose of unused or expired magnesium hydroxide according to local regulations. Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Proper disposal helps prevent environmental contamination.

In case of emergency/overdose

• Symptoms of Overdose: Overdose symptoms may include diarrhea, stomach cramps, nausea, vomiting, dizziness, or weakness. Severe overdose can lead to electrolyte disturbances such as high magnesium levels (hypermagnesemia), which can be serious.
• What to Do: If you suspect an overdose or experience severe symptoms after taking magnesium hydroxide, seek immediate medical attention or contact a poison control center (1-800-222-1222 in the United States). Be prepared to provide information about the amount ingested and any symptoms observed.

What other information should I know?

• Effectiveness: Magnesium hydroxide is effective for short-term relief of acid indigestion, heartburn, and constipation. It typically works within 30 minutes to 6 hours after ingestion as an antacid or within 30 minutes to 3 days as a laxative.
• Interactions: Inform your healthcare provider about all medications you are taking, including over-the-counter drugs and herbal supplements. Magnesium hydroxide can interact with certain medications, affecting their absorption or effectiveness.
• Medical Monitoring: If you have kidney problems, are pregnant or breastfeeding, or have other medical conditions, consult your healthcare provider before using magnesium hydroxide. They can provide personalized advice on its use and monitor for any potential complications.
• Regular Use: Avoid using magnesium hydroxide as a long-term solution for constipation without medical supervision. Chronic use can lead to dependence on laxatives and may mask underlying digestive issues.
• Allergic Reactions: If you develop signs of an allergic reaction such as rash, itching, swelling, severe dizziness, or difficulty breathing, seek immediate medical attention.

Always follow the dosage instructions provided by your healthcare provider or the product label. If you have any concerns or questions about using magnesium hydroxide, do not hesitate to discuss them with your pharmacist or healthcare provider for guidance tailored to your specific health needs.