Code of Federal Regulations Title 21. Food and Drugs § 21.520.2604 Trimeprazine and prednisolone tablets

(1) Amount. Administer orally an initial dosage:  for dogs weighing up to 10 pounds, 1/2 tablet twice daily;  for dogs weighing 11 to 20 pounds, 1 tablet twice daily;  for dogs weighing 21 to 40 pounds, 2 tablets twice daily;  and for dogs weighing over 40 pounds, 3 tablets twice daily. After 4 days, reduce dosage to one-half the initial dose or to an amount sufficient to maintain remission of symptoms.

(2) Indications for use. For the relief of itching regardless of cause;  and for reduction of inflammation commonly associated with most skin disorders of dogs such as eczema, caused by internal disorders, otitis, and dermatitis, allergic, parasitic, pustular and nonspecific. As adjunctive therapy in various cough conditions including treatment of “kennel cough” or tracheobronchitis, bronchitis including allergic bronchitis, in tonsillitis, acute upper respiratory infections and coughs of nonspecific origin.

(3) Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian.