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Diasis Syrup

Diasis Syrup contains Furazolidone and Metronidazole, a combination of two antimicrobial agents used in the treatment of gastrointestinal infections caused by susceptible bacteria and protozoa. Furazolidone is a nitrofuran derivative with antibacterial and antiprotozoal activity, while Metronidazole is a nitroimidazole antimicrobial effective against anaerobic bacteria and protozoal organisms. Together, they help control infective diarrhoea, intestinal infections, and mixed gastrointestinal infections by targeting a broad range of causative organisms. This combination is commonly prescribed in selected intestinal infections under medical supervision and should be used exactly as directed by your doctor.

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Written by: Syed Mohasin, M. Pharma

Reviewed by: Dr. Jay Faldu, MBBS

Last updated on: 13-05-2026

Diasis Syrup
Diasis Syrup

Eastern Drug

Bottle of 50 ml
who

WHO GMP Certified

Long Expiry (>8 Months)

15 Days Easy Returns

General Information

Manufacturer
Approved by
FDA
Doctor Approved & Trusted
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Genuine Medicine

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Detailed Description

Diasis Syrup combines Furazolidone, a nitrofuran antimicrobial, with Metronidazole, a nitroimidazole antimicrobial, to provide broad antimicrobial coverage against susceptible intestinal pathogens including bacteria and protozoa.

Furazolidone works by interfering with bacterial enzyme systems involved in carbohydrate metabolism and nucleic acid synthesis. It exhibits activity against certain Gram-positive and Gram-negative bacteria and also shows effectiveness against some protozoal organisms. It has historically been used in gastrointestinal infections where bacterial contamination and protozoal involvement coexist.

Metronidazole acts primarily against anaerobic bacteria and protozoa by entering susceptible microbial cells and undergoing intracellular reduction. This produces reactive intermediates that damage microbial DNA and inhibit nucleic acid synthesis, leading to microbial death. It is particularly effective against organisms such as Entamoeba histolytica, Giardia lamblia, and anaerobic bacteria commonly associated with intestinal infection.

The combination offers broader antimicrobial coverage than either agent alone and may be prescribed in selected gastrointestinal infections where mixed infective causes are suspected. It is generally used for short prescribed durations and should not be taken unnecessarily because inappropriate antimicrobial use may contribute to resistance.

Uses of Diasis Syrup

The uses of Diasis Syrup are as follows:

Infective Diarrhoea

Used in selected bacterial or protozoal diarrhoeal infections.

Amoebic Intestinal Infection

Helps control susceptible protozoal infections affecting the intestine.

Giardiasis

Used in selected cases involving Giardia infection.

Mixed Gastrointestinal Infections

Useful where bacterial and protozoal organisms may coexist.

Intestinal Dysentery

Helps control infective intestinal inflammation under medical supervision.

Benefits of Diasis Syrup

Here are the benefits of Diasis Syrup:

  • Broad antimicrobial coverage: Targets both bacteria and protozoa.
  • Supports gastrointestinal infection control: Helps reduce infective symptoms in susceptible intestinal infections.
  • Dual mechanism action: Two different antimicrobial pathways improve coverage.
  • Useful in mixed infections: Beneficial when multiple organisms are involved.
  • Helps reduce intestinal pathogen load: Supports clinical recovery when used appropriately.

Side Effects of Diasis Syrup

Like all medicines, Diasis Syrup may cause side effects in some individuals, especially during treatment initiation.

Common Side Effects:
  • Nausea: Mild nausea may occur during treatment.
  • Abdominal Discomfort: Mild stomach upset or cramps may occur.
  • Metallic Taste: Common with Metronidazole.
  • Loss of Appetite: Temporary reduction in appetite may occur.
  • Headache: Mild headache may develop in some individuals.
Uncommon Side Effects:
  • Dizziness: Mild dizziness may occur.
  • Dry Mouth: Temporary dryness may be noticed.
  • Dark Urine: Harmless darkening of urine may occur with Metronidazole.
Serious Side Effects (Require Immediate Medical Attention):
  • Severe Allergic Reaction: Rash, swelling, or breathing difficulty requires urgent attention.
  • Persistent Vomiting: Severe gastrointestinal intolerance needs medical review.
  • Neurological Symptoms: Tingling, numbness, or coordination problems require immediate evaluation.

Always consult your doctor if symptoms worsen or unusual side effects appear.

Directions for Use

To ensure safe and effective use:

  • Take exactly as prescribed.
  • Swallow with water.
  • Usually taken after food to reduce stomach irritation.
  • Complete the prescribed course.
  • Do not stop early even if symptoms improve.
  • Avoid alcohol during treatment.

How it works

Diasis Syrup works through two complementary antimicrobial mechanisms.

Furazolidone interferes with bacterial enzyme systems involved in energy metabolism and nucleic acid function, inhibiting growth of susceptible bacteria and certain protozoa.

Metronidazole enters anaerobic bacteria and protozoal cells, where it is reduced to active metabolites that damage microbial DNA and inhibit nucleic acid synthesis, resulting in microbial death.

Together, this combination provides broader antimicrobial action against susceptible intestinal pathogens.

Safety Advice for Diasis Syrup

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Alcohol
Unsafe

Alcohol may cause severe nausea, vomiting, flushing, and discomfort during Metronidazole treatment.

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Pregnancy
Caution

Use only when clearly prescribed after medical evaluation.

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Breastfeeding
Caution

Medical advice is required before use during breastfeeding.

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Driving
Caution

Dizziness may occur in some individuals.

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Kidney
Caution

Dose adjustment may be needed in significant impairment.

Quick Tips for Diasis Syrup

  • Complete the full course.
  • Avoid alcohol completely.
  • Maintain hydration during diarrhoea.
  • Do not self-medicate repeatedly.
  • Seek medical review if diarrhoea persists.

Storage Advice

  • Store below 25°C
  • Keep away from moisture
  • Protect from direct sunlight
  • Keep out of reach of children

Drug-Food Interaction

Diasis Syrup may be taken after food to improve gastric tolerance. However:

  • Avoid alcohol completely: Metronidazole may cause flushing, nausea, vomiting, abdominal discomfort, and headache when taken with alcohol.
  • Maintain adequate hydration: Fluid intake is important, especially if diarrhoea is present, to prevent dehydration.
  • Prefer light meals: Bland food may improve gastric tolerance in individuals experiencing nausea or abdominal discomfort.
  • Avoid fermented or alcohol-containing products: Certain syrups, tonics, or fermented foods may trigger alcohol-related reactions in sensitive individuals.

Interactions with Other Drugs

Diasis Syrup may interact with:

  • Alcohol-containing Preparations: Concurrent use may trigger a disulfiram-like reaction with nausea, flushing, and vomiting.
  • Anticoagulants: Metronidazole may enhance anticoagulant effect and increase bleeding risk.
  • Antiepileptic Medicines: These may alter Metronidazole metabolism and reduce treatment effectiveness.
  • Lithium: Metronidazole may increase lithium levels and raise the risk of toxicity.
  • Other Antimicrobial Medicines: Combined use may alter gut flora and increase gastrointestinal side effects.
  • Monoamine Oxidase-Related Medicines: Furazolidone has weak MAO-inhibitory properties and may interact with certain medicines affecting neurotransmitter metabolism.

Drug-Disease Interactions

Diasis Syrup should be used carefully in:

  • Liver Disease: Metronidazole is primarily metabolised in the liver, and impaired liver function may increase drug exposure.
  • Kidney Impairment: Caution is advised in significant renal dysfunction, especially during prolonged treatment.
  • Peripheral Neuropathy: Metronidazole may worsen tingling, numbness, or nerve-related symptoms in susceptible individuals.
  • Blood Disorders: Furazolidone should be used carefully in patients with pre-existing haematological abnormalities.
  • Severe Gastrointestinal Disease: Persistent severe symptoms may require further clinical evaluation before treatment.

Daily Dose

The dose depends on age, severity of infection, and clinical response. Always follow the prescribed schedule exactly.

What If You Forget to take Diasis Syrup?

If you miss a dose, take it when remembered unless the next dose is due soon. Do not double the dose.

FAQ

Fact Box

Therapeutic Class

Gastrointestinal Anti-infective

Action Class

Antibacterial + Antiprotozoal

Chemical Class

Nitrofuran + Nitroimidazole

Habit Forming

No

Disclaimer

PlatinumRx is committed to providing reliable and accurate information to support informed customer decisions. However, all information made available on the Platform, including product descriptions, comparisons, and other content, is provided solely for general informational purposes. Such information is not intended to diagnose, prevent, treat, or cure any medical condition, nor should it be relied upon as a substitute for professional medical advice, diagnosis, or treatment.

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