What is threchop?

Threchop® is asynthetic drugwhose active components are furazolidone, methyl bromide dematropine, diiodohydroxyquinoline, kaolin and pectin, which possessantiseptic, bactericidal and amebicidal propertiesfor the gastrointestinal tract. This pharmaceutical product is made byCollins Laboratories. (1)

What is threchop for?

  • Threchop® can interfere with thereproduction and development of amoebas and bacteriathat affect the digestive system, contributes to the regulation of intestinal motility and bacterial flora. It is also considered anantidiarrheal, specific bactericide and amebicidewith antispasmodic effect, which exerts a wide spectrum of activity against sensitive germs.
  • It is used to treat:
    • Symptomatic intestinal amebiasis.
    • Giardiasis, Salmonella, E coli, Giardia lamblia and Entamoeba histolytica
    • Asymptomatic carriers of amoebic cysts.
    • Typhoid and paratyphoid fever.

Dosage and routes of administration of threchop

Threchop® is marketed in asuspension form ina bottle of 120 mL, with diiodohydroxyquinoline 1.25 g, furazolidone 0.40 g, homatropine methyl bromide 0.02 g, kaolin 20.00 g and pectin 1.00 gr.

It also comesastablets or capsulesof 200 mg diiodohydroxyquinoline + 50 mg furazolidone + 2 mg homatropine methyl bromide. In both cases the route of administration is oral and as medically indicated.

  • Children from 0 to 12 years: 15 mL every 6 hours.
  • Adults: 2 tablets every 6 hours orally with water.

Threchop Side Effects

The threchop® can generate in certain patients, some of the following side effects :

  • Adverse reactions due to contact with any of the components of threchop®:
  • Headache.
  • Vomiting .
  • Urticaria.
  • Irritation or itching in the anal area.
  • Discomfort and abdominal pain .
  • Color change in urine from orange to dark reddish.
  • There may be abnormalities in thyroid laboratory tests.

Important: If any of these symptoms or any other not included in the list appear, stop using it and consult your doctor .

Contraindications and warnings of threchop

Threchop®is contraindicated in the following cases:

  • Hypersensitivity to active metabolites.
  • Renal insufficiency.
  • Cardiovascular problems.
  • Narrow-angle glaucoma (blindness conditions).
  • Liver failure.
  • in patients with a recent heart attack .
  • During pregnancy or lactation.

To highlight: It is advisable before starting treatment with threchop®, to give enough information to your doctor about your medical history.

Avoid if you have:

  • Less than 12 years old.
  • Glucose-6-phosphate dehydrogenase deficiency.
  • Pre-existing optic neuropathy.
  • Iodine intolerance.
  • Closed-angle glaucoma.
  • Intestinal obstruction Paralytic ileus, ulcerative colitis or myasthenia gravis.
  • Narrowing of the urinary tract.


  • Do not administer without a prescription.
  • Do not administer to children under 12 years of age.
  • Keep out of the reach of children.
  • Do not mix with alcohol.
  • Do not mix with other medicines without the supervision of the doctor.

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