Description
Osho Trypan Blue (Veterinary Trypanocide for Livestock)
Active Ingredient & Formulation
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Active molecule: Trypan Blue (azo dye), typically formulated as a 1% (10 mg/mL) intravenous solution.
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Sold in 30 mL amber glass injection vials in many veterinary suppliers.
Indications & Uses
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Used primarily to treat animal trypanosomiasis (e.g. canine babesiosis, livestock trypanosomes).
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Recommended especially in severe or high-parasitaemia cases where other drugs may risk hemolysis—often as initial therapy before follow-up with other trypanocides (e.g. diminazene, imidocarb)
Dosage
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Slow intravenous injection: typically 1 mL per kg body weight (10 mg/kg) in livestock and dogs
Features & Limitations
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High therapeutic index: generally considered safe, even in critical cases, due to minimal systemic side effects
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Temporary suppression: clinical signs usually improve quickly, but parasites may reappear within 9–12 days, necessitating follow-up trypanocide administration
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Side effect: causes tissues and secretions (e.g., skin, urine) to turn blue-green, sometimes lasting weeks.
Precautions & Storage
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Use only fresh solutions, as toxicity increases with storage time
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Strict IV administration only—not for intramuscular or subcutaneous use due to tissue irritation.
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Not recommended during early pregnancy.
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Maintain proper withdrawal periods, though specific times may vary by region; typical recommendations: meat ~7 days, milk minimal or as per label.
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Keep away from light and heat. Store at controlled room temperature in amber vials.
Summary Table
| Attribute | Specification |
|---|---|
| Active Ingredient | Trypan Blue 10 mg/mL (1%) |
| Formulation | IV injection solution (amber vial) |
| Format/Package Size | Typically 30 mL vials |
| Target Species | Cattle, goats, sheep, dogs, etc. |
| Dosage | 1 mL per kg body weight IV |
| Primary Use | Severe/high-parasitaemia trypanosomiasis |
| Limitations | Suppresses—but doesn’t fully eliminate infection |
| Side Effect | Blue-green staining of tissues |
| Safety Profile | High therapeutic index |
| Storage | Use fresh; store away from heat |






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