Product image of Magnesia Cinfa (Magnesium Hydroxide) supplied by GNH India

Magnesia Cinfa

Active Ingredient:
Magnesium Hydroxide
Origin:
EU

Magnesia Cinfa (Magnesium Hydroxide)

Magnesium hydroxide, the active ingredient in Magnesia Cinfa, is an antacid presented as an oral dosage form for oral use. It neutralizes excess stomach acid and can also provide temporary relief of constipation by drawing water into the intestinal lumen. The product is available over the counter in the European market and is commonly used by adults experiencing heartburn, acid indigestion, or occasional constipation.

GNH India supplies Magnesia Cinfa as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Laboratorios Cinfa S.A.

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Indications & Clinical Uses

Magnesia Cinfa, a magnesium hydroxide antacid, acts on gastric acidity and intestinal water balance to relieve several gastrointestinal complaints.

  • Heartburn: reduces acidity to alleviate burning sensation in the chest.
  • Acid indigestion: neutralizes excess acid to improve discomfort after meals.
  • Constipation: draws water into the colon to soften stools and promote bowel movements.

How It Works

  • Magnesium hydroxide works by reacting chemically with hydrochloric acid in the stomach to form magnesium chloride and water, thereby raising gastric pH. The increase in pH reduces irritation of the gastric mucosa. In the intestine, the osmotic activity of magnesium ions pulls water into the lumen, softening stool and stimulating peristalsis, which facilitates laxation. This dual action provides both antacid and mild laxative effects.

Side Effects

Magnesium hydroxide may cause a range of adverse reactions, most of which are mild and related to its antacid or laxative properties.

Common Side Effects

  • Diarrhea: loose stools due to increased intestinal water.
  • Abdominal cramping: mild stomach discomfort.
  • Flatulence: excess gas formation.
  • Nausea: feeling of queasiness.
  • Vomiting: expulsion of stomach contents.
  • Metallic taste: altered taste sensation.

Serious or Rare Side Effects

  • Hypermagnesemia: elevated blood magnesium levels, potentially causing cardiac or respiratory depression.
  • Severe allergic reaction: rash, itching, swelling, or difficulty breathing.
  • Electrolyte imbalance: abnormal levels of other minerals.
  • Kidney impairment: reduced renal function in susceptible individuals.

Precautions & Warnings

When using Magnesia Cinfa, several precautions should be observed to ensure safe and effective use.

  • Dosage adjustment: follow prescriber instructions, especially in children or the elderly.
  • Renal function: avoid or monitor use in patients with impaired kidney function.
  • Electrolyte disorders: caution in individuals with existing electrolyte imbalances.
  • Drug interactions: review concomitant medications that may affect magnesium levels.
  • Pregnancy and lactation: consult a healthcare professional before use.
  • Store at ambient temperature: keep below 25°C in the original container, protect from moisture.

Avoid Interactions

Magnesium hydroxide can affect the absorption or activity of several medicines; awareness of these interactions helps prevent therapeutic failures.

Major Interactions (Avoid)

  • Tetracycline antibiotics: reduced absorption, separate administration by at least 2 hours.
  • Fluoroquinolones (e.g., ciprofloxacin): decreased bioavailability, separate dosing.
  • Bisphosphonates: impaired absorption, administer at different times.

Moderate Interactions (Monitor Closely)

  • Levothyroxine: possible reduction in effectiveness, monitor thyroid levels.
  • Digoxin: magnesium may increase serum levels, watch for toxicity.
  • Iron supplements: decreased iron absorption, consider spacing doses.

Frequently Asked Questions

Magnesia Cinfa contains magnesium hydroxide and is used as an over‑the‑counter antacid to relieve heartburn and acid indigestion, and as a mild laxative to provide temporary relief of occasional constipation.

Magnesium hydroxide neutralizes stomach acid by reacting with hydrochloric acid to form magnesium chloride and water, which raises gastric pH. In the intestines, the magnesium ions create an osmotic gradient that draws water into the lumen, softening stool and promoting bowel movements.

The appropriate dose of Magnesia Cinfa is determined by a qualified healthcare professional based on the individual’s age, condition, and response to therapy. Patients should follow the prescriber’s instructions and the product label.

Safety in pregnancy and lactation has not been definitively established for magnesium hydroxide. Women who are pregnant, planning to become pregnant, or breastfeeding should consult their physician before using Magnesia Cinfa.

To place an order, submit an enquiry on the Magnesia Cinfa product page at gnhindia.com, specifying the required quantity. GNH India works with hospitals, pharmacies and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details and any necessary import documentation.

Magnesia Cinfa (magnesium hydroxide) provides both antacid and mild laxative effects, whereas calcium carbonate offers only acid neutralisation without a laxative component. Magnesium‑based products may cause looser stools, while calcium‑based antacids are more likely to cause constipation.

Store Magnesia Cinfa at ambient temperature, preferably below 25 °C, in its original packaging. Keep the container tightly closed, protect it from moisture and direct sunlight, and keep it out of reach of children.

Magnesia Cinfa is taken orally, usually as a chewable tablet or liquid suspension, according to the prescriber’s directions. It should be swallowed with a glass of water and, if needed, spaced from other medications as advised.

Serious risks include hypermagnesemia, which can lead to cardiac arrhythmias or respiratory depression, and severe allergic reactions such as rash, swelling or difficulty breathing. Patients with kidney disease are at higher risk for elevated magnesium levels.

Magnesia Cinfa should be avoided by individuals with known hypersensitivity to magnesium hydroxide, severe renal impairment, or those who have experienced hypermagnesemia. It should also be used with caution in patients taking medications that interact with magnesium.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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