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Dimetridazole is non antibiotic antimicrobial agent which is belonged to Nitroimidazoles group. Nitroimidazoles produce its action on the protozoa by the toxic effect of reduced intermediates and the release of inactive end product.

Dimetridazole is highly effective against many anaerobic bacteria and anaerobic protozoa in animals such as poultry flagellates like Trichomonas gallinae and Histomonas meleagridis and bacterial infections in pigs like Serpulina hyodysenteriae.


Each 1 gm contains:………………………………………….. 503.34 mg Dimetridazole HCl

(Equivalent to 400 mg Dimetridazole base)

Target species:
  • Turkey
  • Broiler Chicken
  • Game birds
  • Pigeons

Dimetridazole is indicated for the treatment and prevention of:

Turkey, broiler chicken, Game birds

Blackhead disease which is caused by, Histomonas meleagridis.


 Canker which is caused by Trichomonas gallinae.

Dosage & Route of administration:

Route of administration: orally via drinking water.

For whole product:

Turkey, broiler chicken, Game birds:

  • Treatment of blackhead in Turkey, broiler chicken, Game birds:

0.5 gm Royalmetazole / liter of drinking water, for 12 days as soon as symptoms appear.

  • Prevention of blackhead in chicken:

0.175 gm Royalmetazole / liter of drinking water, giving during the period of susceptibility of the disease.


  • Control of Trichomoniasis (canker):

0.5 gm Royalmetazole / liter of drinking water for 7 days.

Warning& Precaution:
  • Royalmetazole is not indicated for treatment of primary E.coli or salmonella infection.
Contra – Indication:

Not for use in laying birds.

Don’t mix with another anti blackhead product.

Side Effects:

Not applicable.

Withdrawal time:

Meat: 5 days.


Stored at temperature not exceed 30 C˚.