Desoxycorticosterone Pivalate for Scorpion: Uses, Dosing & Side Effects

This information is for educational purposes only. Never give your pet any medication without your veterinarian's guidance. Dosing, frequency, and safety depend on your pet's specific health profile.

Desoxycorticosterone pivalate, often shortened to DOCP, is an injectable mineralocorticoid replacement medication. In veterinary medicine, it is sold under brand names such as Percorten-V and Zycortal. It is FDA-approved for dogs with primary hypoadrenocorticism (Addison’s disease), where the adrenal glands do not make enough mineralocorticoid hormone to keep sodium, potassium, and fluid balance stable.

DOCP replaces the mineralocorticoid part of adrenal function, but it does not replace cortisol. That means many dogs also need a separate glucocorticoid medication, such as prednisone or prednisolone, especially at the start of treatment or during stress. Your vet uses bloodwork and your pet’s clinical signs to decide how much support is needed.

For a scorpion specifically, there is no established veterinary evidence or standard dosing protocol for DOCP. This medication is designed and studied for mammals, especially dogs, and has limited extra-label use in cats. If your scorpion has a health problem, your vet should evaluate species-appropriate causes and treatment options rather than adapting a mammal endocrine drug without a clear medical reason.

In dogs, DOCP is used as replacement therapy for mineralocorticoid deficiency caused by primary hypoadrenocorticism. This condition can lead to low sodium, high potassium, dehydration, weakness, vomiting, diarrhea, collapse, and life-threatening shock if not treated. DOCP helps the kidneys retain sodium and excrete potassium, which supports blood volume and circulation.

Some cats with hypoadrenocorticism may also receive DOCP extra-label, although published experience is much more limited than in dogs. Because cats and dogs can respond differently, your vet usually relies on repeat electrolyte testing and clinical response rather than a one-size-fits-all schedule.

For scorpions and other invertebrates, DOCP is not a routine or recognized medication. Scorpions do not share the same adrenal hormone system as dogs and cats. If a pet parent is seeing weakness, poor feeding, dehydration, or molting problems in a scorpion, those signs usually point your vet toward husbandry, hydration, temperature, humidity, trauma, or infectious concerns instead of Addison’s disease.

In dogs, the labeled starting dose for Zycortal is 2.2 mg/kg (1 mg/lb) by subcutaneous injection. The labeled Percorten-V dose is 1 mg/lb intramuscularly every 25 days, with later doses individualized. Both products contain 25 mg/mL of desoxycorticosterone pivalate, and follow-up dosing is adjusted based on your pet’s response and repeat sodium and potassium testing.

Monitoring is a major part of safe dosing. For Zycortal, dogs are typically rechecked about 10 days after the first dose to assess the sodium-to-potassium ratio, then again around day 25 for the next dose decision. Long-term, many dogs settle into a personalized schedule, and published label data show final maintenance doses often average around 1.9 mg/kg with intervals commonly ranging from 20 to 46 days, though some dogs need shorter or longer intervals.

Because DOCP only replaces mineralocorticoids, your vet may also prescribe prednisone or prednisolone for glucocorticoid support. In the Zycortal prescribing information, the initial glucocorticoid dose is listed as 0.2-0.4 mg/kg/day of prednisone or prednisolone, then adjusted to the individual dog.

There is no validated dose for scorpions. If this medication appears on a scorpion treatment list, your vet should confirm whether it was entered in error, copied from a mammal chart, or being discussed only as a comparison drug. Do not attempt home dosing in an invertebrate.

Common side effects reported in dogs receiving DOCP include increased thirst, increased urination, lethargy, inappropriate urination, decreased appetite, vomiting, diarrhea, panting, shaking, hair thinning, and weight gain. Some of these signs may come from the DOCP itself, from the companion prednisone or prednisolone, or from the underlying Addison’s disease not yet being fully controlled.

Because DOCP promotes sodium and water retention, your vet uses it carefully in pets with heart disease, edema, severe kidney disease, or major liver failure. Fluid retention can show up as weight gain, swelling, or worsening heart signs. Rare but serious reactions reported after approval include collapse, anaphylaxis, and congestive heart failure in susceptible dogs.

Injection technique matters. DOCP should not be given intravenously. Accidental IV administration has been associated with shock and collapse. If your pet seems weak, vomits repeatedly, has severe diarrhea, stops eating, develops facial swelling, struggles to breathe, or collapses after an injection, see your vet immediately.

For a scorpion, side effects are unknown because this is not a standard species use. Any decline after an attempted medication exposure should be treated as urgent, since invertebrates can deteriorate quickly and supportive care options are limited.

The clearest documented interaction is with potassium-sparing diuretics, especially spironolactone. These drugs can reduce the effectiveness of DOCP because they work against the same electrolyte goals your vet is trying to achieve in Addison’s treatment.

DOCP is also commonly used alongside prednisone or prednisolone, and that combination is expected rather than unusual. Even so, the two drugs can overlap in causing increased thirst, increased urination, appetite changes, and fluid balance shifts, so your vet may adjust one medication before changing the other.

Because DOCP affects sodium, potassium, and body water, your vet may be extra cautious when it is combined with medications that influence kidney function, blood pressure, fluid status, or electrolytes. That does not always mean the combination is unsafe. It means monitoring matters.

For scorpions, there are no established interaction studies. If your scorpion is receiving any medication, supplement, or environmental treatment, bring the full list to your vet so they can assess whether the plan is species-appropriate.