How to Order Prescriptions Description Tranquived Injectable (horses) This treatment applies to the following species: Horses Active Ingredient(s) Each mL contains Xylazine hydrochloride equivalent to base activity 100 mg Methylparaben 0.9 mg Propylparaben 0.1 mg Sodium citrate dihydrate 0.5 mg Water for injection. the pH is adjusted with citric acid and sodium citrate. TranquiVed Injectable (Horses) Indications Xylazine should be used in horses when it is desirable to produce a state of sedation accompanied by a shorter period of analgesia. Xylazine has been used successfully as follows: Diagnostic procedures, such as oral and ophthalmic examinations, abdominal palpation, rectal palpation, vaginal examination, catheterization of the bladder and radiographic examinations. Orthopedic procedures, such as the application of casting materials and splints. Dental procedures. Minor surgical procedures of short duration, such as debridement, removal of cutaneous neoplasms and suturing of lacerations. To calm and facilitate the handling of fractious animals. Major surgical procedures: a. When used as a pre-anesthetic to general anesthesia. b. When used in conjunction with local anesthetics.