Phenylbutazon 20% Inj

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Contains per ml solution:
Phenylbutazone ……………………………….. 200 mg
Phenylbutazone is a non-steroidal anti-inflammatory drug (NSAID) belonging to the pyrazolone
group. Phenylbutazone inhibits the biosynthesis of PGE2 and PGF2α.
Inflammation and acute or chronic pain associated with musculoskeletal conditions in horses, cattle
and swine.
Severe cardiac, hepatic or renal impairment, dehydration, hypovolemia or hypotension,
gastrointestinal ulceration or bleeding, blood dyscrasias, hypersensitivity to phenylbutazone.
Dosage and administration:
For very slow intravenous administration.
The recommended dose is no more than 4.4 mg phenylbutazone per kg body weight.
Horses, cattle and swine …. up to 1 ml per 45 kg body weight per day for no more than 5 days
Side effects:
Rarely, collapse following intravenous injection. Due to the inhibition of prostaglandin synthesis,
certain individuals may experience gastric or renal intolerance.
Precautions and warnings:
Administer strictly IV. Reduce dose in foals, calves, piglets and geriatric animals. Do not exceed 4
g (20 ml) per animal per day, regardless of weight. Discontinue if no significant clinical response is
evident within 5 days. Do not administer concurrently with other NSAIDs, glucocorticosteroids,
nephrotoxic or hepatotoxic, or highly plasma bound drugs.
Withdrawal times:
Do not use in animals producing milk for human consumption.
Do not use in animals intended for human consumption.
Storage conditions:
Store dark and below 25°C. Do not freeze.
100 ml vials.


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