Product image of Lidaprim (Sulfametrole, Trimethoprim) supplied by GNH India

Lidaprim

Active Ingredient:
Sulfametrole, Trimethoprim
Origin:
EU

Lidaprim (Sulfametrole, Trimethoprim)

Sulfametrole, the active ingredient in Lidaprim, is a sulfonamide and dihydrofolate reductase inhibitor combination presented as an oral tablet for oral use. It treats urinary tract infections, acute otitis media, acute bronchitis, and travelers' diarrhea in appropriate patients.

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

Manufacturer / TM Owner

Rokitan Gmbh

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Indications & Clinical Uses

Lidaprim, a sulfonamide‑trimethoprim combination, is used to treat bacterial infections of the urinary and respiratory tracts and related conditions.

  • Urinary tract infections: eradicates susceptible uropathogens and relieves dysuria and frequency.
  • Acute otitis media: clears middle‑ear bacterial infection and reduces pain.
  • Acute bronchitis: targets bacterial causes of bronchial inflammation and cough.
  • Travelers' diarrhea: provides antimicrobial coverage for common bacterial agents of travel‑related diarrhoea.

How It Works

  • Lidaprim combines sulfametrole, which blocks the bacterial enzyme dihydropteroate synthase, with trimethoprim, which inhibits dihydrofolate reductase. By simultaneously disrupting two steps of folic acid synthesis, the drug prevents production of tetrahydrofolate, a cofactor essential for bacterial DNA, RNA and protein synthesis, leading to bacteriostatic activity against susceptible organisms.

Side Effects

Adverse reactions may occur with any antibacterial therapy and should be monitored.

Common Side Effects

  • Nausea: mild to moderate stomach upset.
  • Diarrhea: loose stools, usually self‑limiting.
  • Rash: skin redness or itching.
  • Headache: transient cranial discomfort.
  • Elevated liver enzymes: mild, reversible changes.
  • Taste disturbance: altered perception of flavors.

Serious or Rare Side Effects

  • Stevens‑Johnson syndrome: severe skin detachment requiring urgent care.
  • Agranulocytosis: marked reduction in white blood cells.
  • Hepatic failure: signs of jaundice or liver dysfunction.
  • Severe hypersensitivity: anaphylaxis or serum sickness.
  • Renal toxicity: impaired kidney function.
  • Hemolytic anemia: especially in glucose‑6‑phosphate dehydrogenase deficiency.

Precautions & Warnings

Before prescribing Lidaprim, clinicians should consider several safety factors.

  • Assess renal function: dose adjustment may be needed in impairment.
  • Review allergy history: avoid in patients with sulfonamide hypersensitivity.
  • Monitor blood counts: watch for hematologic abnormalities.
  • Evaluate liver function: periodic testing recommended.
  • Store at room temperature: keep in the original pack, protect from moisture.

Avoid Interactions

Lidaprim can interact with several medicines; awareness of the interaction level guides management.

Major Interactions (Avoid)

  • Warfarin: increased anticoagulant effect, risk of bleeding.
  • Methotrexate: heightened toxicity due to overlapping folate antagonism.
  • Cyclosporine: enhanced nephrotoxicity.

Moderate Interactions (Monitor Closely)

  • Oral contraceptives: reduced efficacy, consider backup method.
  • NSAIDs: increased risk of renal impairment.
  • Diuretics: potential electrolyte disturbances.

Frequently Asked Questions

Lidaprim is prescribed for bacterial infections such as uncomplicated urinary tract infections, acute otitis media, acute bronchitis, and travelers' diarrhea caused by susceptible organisms. It is used when a clinician determines that a sulfonamide‑trimethoprim combination is appropriate for the infection.

The sulfametrole component blocks dihydropteroate synthase, preventing the first step of bacterial folic‑acid synthesis. Trimethoprim inhibits dihydrofolate reductase, the second step. By halting both stages, the combination stops production of tetrahydrofolate, a molecule essential for bacterial DNA, RNA and protein synthesis, resulting in a bacteriostatic effect.

The dosage of Lidaprim is determined by the prescribing healthcare professional based on the specific infection, patient age, weight, renal function and other clinical factors. Patients should follow the prescriber’s instructions and not adjust the dose on their own.

Safety data for Lidaprim in pregnancy and lactation are limited. Clinicians should weigh the potential benefits against possible risks and consider alternative therapies when appropriate. Women who are pregnant, planning pregnancy, or breastfeeding should discuss use with their healthcare provider.

To request Lidaprim, submit an enquiry on the 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 (including any cold‑chain requirements) and necessary import documentation.

Lidaprim offers a dual‑mechanism approach by combining a sulfonamide with trimethoprim, which can provide broader coverage against certain Gram‑negative and Gram‑positive bacteria compared with single‑agent sulfonamides or trimethoprim alone. Choice of therapy depends on local resistance patterns, patient tolerance and specific infection type.

Lidaprim tablets should be stored at room temperature, below 25 °C, in the original packaging to protect them from moisture and light. Keep the container tightly closed and out of reach of children.

Lidaprim is taken orally, usually with a full glass of water. It may be taken with or without food, but patients should follow the prescriber’s guidance regarding timing relative to meals to optimize absorption and minimize gastrointestinal upset.

Serious adverse reactions, though rare, include severe skin reactions such as Stevens‑Johnson syndrome, blood dyscrasias like agranulocytosis, hepatic failure, and significant hypersensitivity reactions. Patients should seek immediate medical attention if they develop rash, fever, jaundice, or signs of infection.

Lidaprim is contraindicated in individuals with a known hypersensitivity to sulfonamides, trimethoprim, or any component of the formulation. It should also be avoided in patients with severe renal or hepatic impairment unless dose adjustments are made, and in those with certain blood disorders where folate antagonism could worsen the condition.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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