PHENYLARTHRITE Injection is designed for the rapid and effective control of inflammatory processes, fever, and pain in animals. It combines two powerful ingredients: phenylbutazone, a non-steroidal anti-inflammatory drug (NSAID), and dexamethasone, a synthetic glucocorticoid with significant anti-inflammatory and anti-allergic properties.
Composition
Each 100 mL of PHENYLARTHRITE contains:
- Phenylbutazone: 18.00 g
- Dexamethasone Sodium Phosphate: 35.00 mg
- Vehicle q.s.p.: 100.00 mL
Indications
PHENYLARTHRITE is indicated for:
- Arthritis
- Tendinitis
- Articular and muscular rheumatism
- Congestive processes
- Hyperthermia and heat stroke
- Inflammatory complications from traumatic or microbial conditions
Dosage Guidelines
Dosage varies by species:
- Adult Horses:
3 to 4 mL per 100 kg body weight by slow intravenous injection every 24 to 48 hours. - Foals:
1 to 2 mL per 50 kg body weight by slow intravenous injection every 24 to 48 hours. - Dogs:
1 mL per 15 kg body weight by slow intravenous injection daily (maximum daily dose: 800 mg).
Treatment Duration
- Horses:
Initial high doses for the first 48 hours, gradually reducing to a maintenance level. Treatment duration averages 7 days, ranging from 3 to 14 days. - Dogs:
Recommended treatment duration is 3 days.
Administration Method
- Route:
Administer slowly via intravenous (preferred for horses) or deep intramuscular injection. - Aseptic Technique:
Ensure all injections are performed under strict aseptic conditions.
Precautions
- Administer intravenous injections very slowly.
- Deep intramuscular injections should be performed adequately into the muscle mass.
- Determine treatment duration and repetition under veterinary guidance.
- Monitor for infections in cases of concurrent acute or chronic bacterial infections.
Contraindications:
- Heart, liver, or kidney failure
- Advanced pregnancy (last third of gestation)
- Diabetes





