| name | Milk of Magnesia |
| classification | Antacid, laxative (bulk-forming) |
| pharmacokinetics | Milk of magnesia is a suspension of magnesium hydroxide. It is poorly absorbed from the gastrointestinal tract. Its primary action is through its ability to neutralize stomach acid. The magnesium ion is absorbed into the body in small amounts. |
| suggested dosage | | adult | Typically, 15 mL (1 tablespoon) to 30 mL (2 tablespoons) every 4 to 6 hours as needed. Consult a healthcare professional for specific dosage recommendations, particularly for children or individuals with specific medical conditions. | | general recommendations | 15-30 mL every 4-6 hours as needed. This is a general guideline. A doctor should determine the appropriate dose based on individual needs and underlying conditions. |
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| indications | | 1 | Relief of heartburn and indigestion | | 2 | Treatment of occasional constipation | | 3 | Reduction of excess stomach acid | | 4 | Prevention of symptoms associated with hyperacidity (e.g., heartburn, acid reflux) |
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| safety in pregnancy | Generally considered safe during pregnancy when used as directed. Consult a doctor before use. |
| safety in breastfeeding | Generally considered safe. Consult a doctor before use. |
| side effects | | 1 | Constipation (high doses) | | 2 | Diarrhea (low doses) | | 3 | Nausea | | 4 | Vomiting | | 5 | Stomach cramps | | 6 | Bloating | | 7 | Loose stools | | 8 | Headache (less common) | | 9 | Metallic taste in mouth | | 10 | Dehydration (excessive or prolonged use) |
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| alternatives | |
| contraindications | | 1 | Severe kidney disease | | 2 | Dehydration | | 3 | Significant magnesium deficiency | | 4 | Severe diarrhea | | 5 | Pregnancy (consult a healthcare professional first) | | 6 | Hypermagnesemia (use with caution) |
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| interactions | | 1 | Other medications affecting kidneys or causing dehydration | | 2 | Magnesium-containing supplements or antacids | | 3 | Concurrent use with other medications should be discussed with a physician. |
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| warnings and precautions | | 1 | Do not use for prolonged periods or at higher doses without consulting a doctor. | | 2 | Monitor for dehydration or electrolyte imbalance, especially with prolonged use or other medications. | | 3 | Discontinue use and consult a doctor if symptoms worsen or persist. | | 4 | Report unusual side effects to a doctor. |
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| additional information | | 1 | Available over-the-counter, generally well-tolerated. | | 2 | Follow label directions or physician's instructions. | | 3 | If symptoms persist or worsen, discontinue use and contact a physician. |
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