Ameba And Giardia-Medicines For Treatment And Dosage

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giardia

Ameba And Giardia-Medicines For Treatment And Dosage.

Ameba causes diarrhea or dysentery. There are usually frequent stools with much mucus and sometimes blood. Often there are gut cramps but little or no fever.

Amebic dysentery is best treated with metronidazole together with diloxanide furoate or tetracycline. Chloroquine is sometimes used when metronidazole is not available or in cases of amebic abscess.  Iodoquinol is another medicine used to treat amebic dysentery but it may have dangerous side effects.

In order to kill all the amebas in the gut, very long (2 to 3 weeks) and expensive treatment is necessary. It often makes more sense to stop giving medicines when the person has no more symptoms and then let the body defend itself against the fewer amebas that are left.

This is especially true in areas where the chance of getting a new infection is high.

In diarrhea caused by giardia, the stools are often yellow and frothy but without blood or mucus. Metronidazole is often used.

 

METRONIDAZOLE

This medicine is also known as flagyl, it often comes in tablets of 200 or 250 mg. vaginal inserts 500 mg.

Metronidazole is useful for gut infections caused by amebas and giardia, and sometimes for diarrhea that comes from taking wide range of antibiotics such as ampicillin. It is also useful for vaginal infections caused by trichomonas or by certain bacteria. It can also help to treat the symptoms of guinea worm.

NOTE : Do not drink alcoholic drinks when taking metronidazole, as it causes severe nausea.
WARNING : Metronidazole may cause birth defects, pregnant women should avoid using this medicine if possible, especially during the first 3 months of pregnancy. Breast feeding women using large doses should not give their babies breast milk for 24 hours after taking metronidazole. Persons with liver problems should not use metronidazole.

 

Metronidazole dosage for amebic dysentery

25 to 50 mg/kg/day- using 250 mg tablets. Give metronidazole 3 times a day for 5 to 10 days. In each dose, give :

  • Adults : 750 mg (3 tablets)
  • Children between 8 to 12 years old : 500 mg (2 tablets)
  • Children between 4 to 7 years old : 375 mg (One and half tablets)
  • Children between 2 to 3 years old : 250 mg (One tablet)
  • Children under 2 years old : 80 to 125 mg (1/3 to 1/2 tablet)

Metronidazole dosage for giardia infection

A single dose of 2 gm metronidazole (8 tablets) may be used. Alternatively give a lower dose 3 times a day for 5 days :

  • Adults : 250 mg (1 tablet)
  • Children between 8 to 12 years old : 250 mg (1 tablet)
  • Children between 3 to 7 years old : 125 mg (1/2 tablet)
  • Children under 3 years old : 62 mg (1/4 tablet)

Metronidazole dosage for guinea worm

Give the same dose as for giardia 3 times a day for 10 days

Metronidazole dosage for Trichomonas infections of the vagina

The woman should take 8 tablets (2 gm) by mouth in one single dose. If the infection is not very severe. She can use a vaginal insert twice a day for 10 days. Both the woman and the man should be treated for trichomonas at the same time. He should do this even if he has no symptoms or he will pass it back to the woman

Metronidazole dosage for bacterial infections of the vagina

The woman should take 2 tablets (500 mg) of metronidazole twice a day for 5 days. If the infections returns, both the woman and the man should take the same treatment at the same time.

 

DILOXANIDE FUROATE

This medicine is also known as Furamide and it often comes in 500 mg tablets, syrup with 125 mg in 5 ml.

Diloxanide furoate is used to treat amebic dysentery along with metronidazole or tetracycline.

Side Effects :

  • Occasionally causes gas
  • Stomach pain
  • Nausea

Dosage for diloxanide furoate

20 mg/kg/day- tablets of 500 mg. Give 3 times a day with meals. For complete treatment take for 10 days. In each dose, give:

  • Adults : 1 tablets (500 mg)
  • Children between 8 to 12 years old : Half tablet (250 mg)
  • Children between 3 to 7 years old : 1/4 tablet (125 mg)
  • Children under 3 years old 🙁 62 mg) or less depending on weight.

 

HYDROXYQUINOLINES (clioquinol, iodoquinol, di-iodohydroxyquinoline, halquinol, broxyquinoline)

Their brand names are Diodoquin, Amiciline, Floraquin, Enteroquinol, Chlorambin, Nivembin, Quogyl, Enterovioform etc.

These medicines were commonly used in the past to treat diarrhea. They are now known to cause permanent paralysis, blindness and even death. Do not use these dangerous medicines.