PHENWAYS D is a combination injectable therapy containing Phenylbutazone and Dexamethasone, formulated to deliver rapid anti-inflammatory, analgesic, and antipyretic effects in large animals.
It is indicated for the treatment of musculoskeletal disorders, fever, allergic reactions, and inflammatory pain associated with infections or trauma.
Composition (per mL)
-
Phenylbutazone BP – 200 mg
-
Dexamethasone BP – 2 mg
Indications
-
Cattle, horses, camels, sheep, goats:
-
Muscular and joint inflammation (arthritis, tendinitis, bursitis)
-
Febrile and allergic conditions
-
Respiratory inflammation (bronchitis, pneumonia)
-
Pain due to trauma, infection, or post-surgical recovery
-
Laminitis, myositis, and rheumatic pain
-
Mode of Action
-
Phenylbutazone: A potent NSAID that inhibits prostaglandin synthesis, providing analgesic and anti-inflammatory action.
-
Dexamethasone: A long-acting corticosteroid that reduces tissue swelling, exudation, and allergic reactions.
Together, they ensure synergistic relief of pain, inflammation, and fever while promoting muscular relaxation.
Dosage & Administration
-
Route: Intramuscular (IM) or slow Intravenous (IV) injection
-
Recommended Dose: 1 mL per 25–30 kg body weight
-
Repeat: After 24–48 hours if required, or as directed by a veterinarian.
Withdrawal Period
-
Milk: 3 days
-
Meat: 21 days
Contraindications & Precautions
-
Avoid use in animals with gastric ulcers, renal or hepatic impairment.
-
Do not administer concurrently with other NSAIDs or corticosteroids.
-
Use cautiously in pregnant animals (may induce abortion).
-
Ensure proper hydration during treatment.
Storage
-
Store below 25 °C in a dry, dark place.
-
Protect from light and freezing.
Key Benefits
✔ Rapid anti-inflammatory and pain-relief synergy
✔ Dual action: NSAID + corticosteroid formula
✔ Effective for muscular, joint, and febrile disorders
✔ Short withdrawal and high therapeutic safety
✔ Trusted formulation for large-animal use