Brand Name Acidrox M
Type Chewable Tablet
Weight 400 mg
Generic Magaldrate
Manufacturer Syntho Laboratories Ltd.
Price Unit: ৳ 1.00 (150s pack: ৳ 150.00)

About Acidrox M

Acidrox M Chewable Tablet (Syntho Laboratories Ltd.) is a brand medicine containing the generic Magaldrate . Current listed price in Bangladesh: Unit: ৳ 1.00 (150s pack: ৳ 150.00).

Medical information for Acidrox M Chewable Tablet 400 mg

Uses, dosage, side effects, and safety details below apply to Acidrox M Chewable Tablet 400 mg (generic: Magaldrate). This is general information — consult a doctor before use.

Introduction

Acidrox M Chewable Tablet 400 mg is an antacid drug used for the treatment of esophagitis, duodenal and gastric ulcers, and gastroesophageal reflux. Acidrox M Chewable Tablet 400 mg has been discontinued in the US market.

Uses

Acidrox M Chewable Tablet 400 mg is an antacid used to treat various conditions in the GI tract, such as esophagitis, duodenal and gastric ulcers, and gastroesophageal reflux.

Associated Conditions

  • Acid indigestion
  • Aspiration
  • Bloating
  • Calcinosis
  • Dyspepsia
  • Gastroesophageal Reflux
  • Gastrointestinal Bleeding
  • Heartburn
  • Hyperacidity
  • Hyperparathyroidism
  • Kidney Stones
  • Peptic Ulcer
  • Stress Ulcers

Route of Elimination

Aluminium oxide: absorbed Al ions are eliminated in the urine (0.1-0.5 mg of Al in aluminium-containing antacid is absorbed from standard daily doses of antacid) while insoluble or poorly absorbed Al salts in the intestines are excreted through the feces.

Magnesium oxide: absorbed Mg ions (up to 30%) are eliminated in the urine, unabsorbed is excreted in the feces.

Food Interactions

  • Avoid alcohol.

Dosage

Tablet: 1-3 tablets, after meals and at bed time or as directed by the physician.

Syrup: 2 to 3 teaspoonful, 3 or 4 times daily, half to one hour after or before meal and at bedtime

Frequently Asked Questions About Acidrox M Chewable Tablet 400 mg

1. What is Acidrox M Chewable Tablet 400 mg?

Acidrox M Chewable Tablet 400 mg is an antacid used to treat conditions caused by excess stomach acid, such as heartburn, acid indigestion, gastritis, and peptic ulcers. It works by neutralizing stomach acid and protecting the stomach lining.

2. How does Acidrox M Chewable Tablet 400 mg work?

Acidrox M Chewable Tablet 400 mg is a complex of magnesium and aluminum that reacts with stomach acid to form magnesium and aluminum salts. These salts help neutralize acid and provide relief from acidity-related symptoms.

3. What conditions are treated with Acidrox M Chewable Tablet 400 mg?

Acidrox M Chewable Tablet 400 mg is commonly used to treat:

- Heartburn

- Acid reflux (GERD)

- Gastritis

- Peptic ulcers

- Hyperacidity

- Indigestion

4. Is Acidrox M Chewable Tablet 400 mg an over-the-counter (OTC) medication?

Yes, Acidrox M Chewable Tablet 400 mg is available over the counter (OTC) in many countries, but stronger formulations may require a prescription.

5. What are the available forms of Acidrox M Chewable Tablet 400 mg?

Acidrox M Chewable Tablet 400 mg is available in the following forms:

- Oral suspension

- Chewable tablets

- Gel formulations

6. How should Acidrox M Chewable Tablet 400 mg be taken?

It should be taken as directed by a doctor or as indicated on the packaging, usually:

- After meals and at bedtime

- Chewable tablets should be thoroughly chewed before swallowing

- Oral suspension should be shaken well before use

7. What is the usual dosage of Acidrox M Chewable Tablet 400 mg?

The dosage varies, but a common adult dose is:

- 5-10 mL of oral suspension after meals

- 1-2 chewable tablets after meals

8. How long does Acidrox M Chewable Tablet 400 mg take to work?

Acidrox M Chewable Tablet 400 mg provides relief within a few minutes of ingestion and lasts for a few hours.

9. Can Acidrox M Chewable Tablet 400 mg be taken with other medications?

Acidrox M Chewable Tablet 400 mg can interfere with the absorption of certain medications, including:

- Antibiotics (tetracyclines, fluoroquinolones)

- Iron supplements

- Thyroid medications

It is recommended to take other medications 1-2 hours before or after Acidrox M Chewable Tablet 400 mg.

10. What are the common side effects of Acidrox M Chewable Tablet 400 mg?

Common side effects include:

- Nausea

- Constipation (due to aluminum content)

- Diarrhea (due to magnesium content)

- Loss of appetite

11. Can Acidrox M Chewable Tablet 400 mg cause serious side effects?

In rare cases, serious side effects may occur, such as:

- Kidney dysfunction (especially in those with pre-existing kidney disease)

- Low phosphate levels (leading to bone weakness)

- Electrolyte imbalances

12. Is Acidrox M Chewable Tablet 400 mg safe for long-term use?

Long-term use is not recommended unless prescribed by a doctor, as it may cause electrolyte imbalances and affect kidney function.

13. Can pregnant women take Acidrox M Chewable Tablet 400 mg?

Acidrox M Chewable Tablet 400 mg is generally considered safe during pregnancy, but it should be used only under medical supervision.

14. Is Acidrox M Chewable Tablet 400 mg safe for breastfeeding mothers?

Yes, it is generally considered safe for breastfeeding women, but prolonged use should be discussed with a doctor.

15. Can Acidrox M Chewable Tablet 400 mg be given to children?

Yes, but the dosage should be adjusted according to age and weight, and only under a doctor’s supervision.

16. Can Acidrox M Chewable Tablet 400 mg be used for GERD?

Yes, it is commonly used to manage symptoms of gastroesophageal reflux disease (GERD).

17. Can Acidrox M Chewable Tablet 400 mg be used for ulcers?

Yes, it can help relieve ulcer-related pain by neutralizing stomach acid.

18. Does Acidrox M Chewable Tablet 400 mg provide immediate relief?

Yes, it provides quick relief from acidity, usually within minutes.

19. How does Acidrox M Chewable Tablet 400 mg compare to proton pump inhibitors (PPIs)?

Acidrox M Chewable Tablet 400 mg provides immediate relief but does not reduce acid production like PPIs (omeprazole, pantoprazole), which work over a longer period.

20. Can Acidrox M Chewable Tablet 400 mg cause kidney stones?

Prolonged use may contribute to kidney stones due to its aluminum and magnesium content.

21. Can Acidrox M Chewable Tablet 400 mg cause bloating?

Some people may experience mild bloating or gas after taking Acidrox M Chewable Tablet 400 mg.

22. Does Acidrox M Chewable Tablet 400 mg affect nutrient absorption?

Yes, long-term use may reduce the absorption of calcium, phosphate, and iron.

23. Can Acidrox M Chewable Tablet 400 mg be taken on an empty stomach?

It is best taken after meals for prolonged effect.

24. Can Acidrox M Chewable Tablet 400 mg be taken before bed?

Yes, taking it at bedtime can help prevent nighttime acid reflux.

25. Can Acidrox M Chewable Tablet 400 mg cause dry mouth?

Some users report mild dry mouth as a side effect.

26. Can it be used for gas and bloating?

It primarily neutralizes acid but may help with gas when combined with simethicone.

27. Can it cause allergic reactions?

Rarely, some people may experience rashes, itching, or swelling.

28. Can Acidrox M Chewable Tablet 400 mg be taken with milk?

It is generally safe, but excessive milk consumption may increase calcium levels.

29. Is Acidrox M Chewable Tablet 400 mg safe for diabetic patients?

Yes, but some formulations may contain sugar.

30. Can it be taken before exercise?

Yes, if acid reflux symptoms worsen during exercise.

31. Can it cause dizziness?

Dizziness is rare but possible.

32. Can it be used for acid reflux in pregnancy?

Yes, under a doctor’s guidance.

33. Can it be used for food poisoning?

No, it is not effective for food poisoning.

34. Does it cause fatigue?

Fatigue is not a common side effect.

35. Can it be used for nausea?

It can help if nausea is due to acid reflux.

36. Can it be taken with coffee?

Coffee increases acid production, so Acidrox M Chewable Tablet 400 mg may help counteract its effects.

37. Can it cause muscle cramps?

Long-term use may lead to phosphate depletion, causing muscle cramps.

38. Can it be used for stress-induced acidity?

Yes, it helps relieve acid symptoms caused by stress.

39. Can it be used with probiotics?

Yes, probiotics and Acidrox M Chewable Tablet 400 mg do not interact negatively.

40. Can it be used for indigestion?

Yes, it helps with indigestion caused by excess stomach acid.

41. Can it be taken daily?

It can be taken as needed but should not be used long-term without a doctor’s advice.

42. Can it cause weight gain?

No, it does not cause weight gain.

43. Does it affect sleep?

No, it does not usually affect sleep.

44. Can it be taken with vitamins?

Yes, but take vitamins separately to avoid absorption issues.

45. Does it reduce stomach pain?

Yes, if the pain is due to acid.

46. Can it be mixed with water?

Yes, oral suspensions can be mixed with water.

47. Can it be taken with ibuprofen?

Yes, but it may reduce ibuprofen absorption.

48. Can it be taken during fasting?

Yes, if needed for acid relief.

49. Can it be used in elderly patients?

Yes, but with caution due to kidney function concerns.

50. Is it addictive?

No, Acidrox M Chewable Tablet 400 mg is not habit-forming.

Medical review

Last reviewed: 24 Jul 2026

Medically reviewed by:

This is general information, not personal medical advice. Consult a doctor before taking any medicine.

Taking medicines without doctor's advice can cause long-term problems.
Dr. Marufa Mustari

Dr. Marufa Mustari

Diabetes, Thyroid & Hormone Specialist

Call Doctor
Dr. Mir Ehteshamul Haque

Dr. Mir Ehteshamul Haque

Urology, Endourology, Pediatric Urology & Uro-Oncology Specialist

Call Doctor
Related Medicines