Isoxsuprine - Equine
Common Drug Name
Common Brand Names
Vasodilan (human form)
Generic products are available.
Store at room temperature in a tight, light resistant, childproof container.
Isoxsuprine causes the dilation (enlargement) of blood vessels. It is used in the treatment of navicular syndrome (navicular disease).
Dose and Administration
Always follow the dosage instructions provided by your veterinarian. If you have difficulty giving the medication, contact your veterinarian.
If you miss a dose, give it as soon as you remember. If it is almost time for the next dose, skip the one you missed and go back to the regular schedule. Do not give 2 doses at once.
This medication should only be given to the horse for whom it was prescribed.
Possible Side Effects
May see uneasiness, nose-rubbing, hyperexcitability, sweating, weakness, and rarely, a fast heart rate. Consult your veterinarian if you notice any of the above side effects.
If your horse experiences an allergic reaction to the medication, signs may include facial swelling, hives, scratching, sudden onset of diarrhea, shock, seizures, pale gums, cold limbs, or coma. If you observe any of these signs, contact your veterinarian immediately.
Not for use in horses hypersensitive (allergic) to isoxsuprine.
Do not use in horses who are bleeding or have recently foaled.
The safety of isoxsuprine in breeding, pregnant or lactating horses has not been determined.
Consult with your veterinarian regarding the physical examinations and laboratory testing necessary prior to and during treatment with isoxsuprine.
Drug, Food, and Test Interactions
Notify your veterinarian of any other medications, including vitamins and supplements, your horse is taking while receiving isoxsuprine.
Isoxsuprine is a classified drug. Consult your veterinarian and event officials before using isoxsuprine or any other medication in a performance horse. Not for use in horses intended for food.
Signs of Toxicity/Overdose
May see hyperexcitability, sweating, weakness, and a fast heart rate. If you know or suspect your horse has had an overdose, or if you observe any of these signs in your horse, contact your veterinarian immediately.
Keep this and all other medications out of the reach of children and animals.
This information may not cover all possible uses, directions, side effects, precautions, allergic reactions, drug interactions, or withdrawal times. Always consult your own veterinarian for specific advice concerning the treatment of your horse.