Reserpine is an alkaloidal chemical derived from the plant Rauwolfia serpentina, sometimes used for long-term sedation of horses. Reserpine works by blocking the storage of some of the brain's chemical messengers, including a neurotransmitter called norepinephrine. Reserpine 2.5 mg/ml injectable by NexGen is a long-acting tranquilizer that may be used to subdue excitable or difficult horses and in other circumstances where a quieter horse is desired or necessary.

FOR RX ONLY: A valid prescription from a licensed veterinarian is required for dispensing this medication.