Dexamethasone/Trichlormethiazide Powder

Powder medications are meant to be mixed into food or treats, not given on their own (since most pets won’t lick up plain powder). The key is to mix it into something tasty so your pet eats the entire dose.

How to Give It:

1. Measure the dose using the included scoop or follow the instructions. If you’re unsure how much to give, ask your vet or pharmacist.
2. Mix it with a small amount of soft food or treat—like wet food, baby food (meat flavor), peanut butter (xylitol-free), yogurt, or cheese. Use just enough to hide the powder so your pet finishes it all in one go.
3. Stir it well to blend the powder in evenly. Add a splash of water if needed to make it smoother.
4. Offer it when your pet is a little hungry, and watch to make sure they eat the whole thing.
5. If your pet refuses, try something else they love next time. For cats, you can also try smearing the paste on their paw to lick off (only if safe and comfortable).
6. For large animals, mix the powder into a small portion of feed with water or molasses, then follow with the rest of their food once they’ve eaten the medicated part.
7. Store the powder in a cool, dry place with the lid closed tightly.

Never give powder straight into your pet’s mouth—it can be dangerous if inhaled.

This compounded formulation combines dexamethasone, a corticosteroid, with trichlormethiazide, a thiazide diuretic — two different drug classes. In compounding practice, clinicians may consider a combination like this for a multi-targeted approach. Your veterinarian determines whether it is appropriate based on your animal's diagnostic findings.

At a pharmacological level, the components of this combination function through independent yet complementary mechanisms. Dexamethasone acts as a long-acting corticosteroid that functions as a glucocorticoid receptor agonist. It diffuses into cells to alter gene transcription, inhibiting the production of pro-inflammatory cytokines and enzymes to manage the broader inflammatory cascade. Trichlormethiazide is a thiazide diuretic that acts on the distal convoluted tubules of the kidney. It inhibits the reabsorption of sodium and chloride ions, which promotes the excretion of water and helps may support reducing fluid volume in the extracellular space. This dual activity is particularly relevant in the context of immune management and tissue stress where both inflammation and fluid retention are present. Your veterinarian will determine the appropriate application of this combination based on species, weight and the specific clinical nature of the patient’s presentation.

This description reflects the general pharmacology of the active ingredient's drug class; your veterinarian determines whether this approach is appropriate for your animal.

Prescription only. Use only under the direction of a licensed veterinarian. This information is not a substitute for veterinary diagnosis, prescribing or monitoring. Compounded drugs are not approved by the FDA for safety or effectiveness.

Commonly observed effects of dexamethasone/trichlormethiazide administration include increased thirst (polydipsia) and more frequent urination (polyuria). Some animals may exhibit a temporary increase in appetite, mild gastrointestinal changes or transient behavioral shifts such as restlessness. Because this medication contains a potent corticosteroid, veterinarians monitor for shifts in metabolic health and prolonged use may be associated with changes in electrolyte balance or glucose regulation. In equine patients, the use of corticosteroids is always carefully discussed in the context of a hoof condition risk. If you observe significant lethargy, signs of physical distress or a change in gait, contact your veterinarian promptly.

This medication is typically used with extra caution or avoided in patients with known systemic fungal infections, significant kidney impairment or advanced liver disease. It is also carefully evaluated in pregnant animals, as high doses of glucocorticoids have been discussed in the context of developmental changes or the timing of parturition. Before starting a protocol, ensure your veterinarian has a complete history of all other supplements and prescriptions your animal is receiving, as it may interact with non-steroidal anti-inflammatory medications (NSAIDs), certain heart medications or other diuretics. Your veterinarian is the right person to design a comprehensive monitoring plan and provide guidance on any necessary tapering protocols to ensure your pet’s natural hormone production remains stable. Always consult your veterinarian about the appropriate duration of use and whether your horse's competitive status requires a withdrawal period. Dexamethasone (a corticosteroid) and trichlormethiazide (a diuretic) are subject to detection in equine medication-testing programs and specific withdrawal times vary by jurisdiction and governing body.