Benazepril 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.

Benazepril is a prescription ACE inhibitor. In dogs and cats, your vet may use it to help relax blood vessels, lower blood pressure, and reduce strain on the heart. It is also used in some kidney cases because it can reduce pressure inside the kidneys and may decrease protein loss into the urine.

Benazepril is a prodrug, which means the body converts it into the active form, benazeprilat, after it is given by mouth. In veterinary medicine, it is commonly prescribed as an extra-label medication for dogs and cats, so the exact dose and monitoring plan should come from your vet.

This page title references a scorpion, but benazepril is a medication with established veterinary use in dogs and cats, not pet scorpions. If your pet is an exotic species, do not assume dog or cat information applies. Your vet, or an exotics vet, should decide whether this medication is appropriate at all.

Your vet may prescribe benazepril as part of a treatment plan for congestive heart failure, especially when the heart is working against increased pressure or fluid changes. It is often used alongside other heart medications rather than by itself.

It is also used for systemic hypertension in dogs and cats. In some pets, benazepril is part of first-line blood pressure management. In others, your vet may pair it with another medication, such as amlodipine, depending on how high the blood pressure is and whether kidney disease is also present.

For kidney patients, benazepril may help with chronic kidney disease and proteinuria. By lowering pressure within the kidney's filtering units, it can reduce protein leakage into the urine. That can be helpful in some pets, but it is not the right fit for every kidney patient. Your vet may recommend blood pressure checks and repeat lab work to see whether the medication is helping without causing dehydration, low blood pressure, or worsening kidney values.

Benazepril dosing should always come from your vet. In dogs, commonly referenced veterinary dosing is 0.25-0.5 mg/kg by mouth every 12-24 hours for heart failure or hypertension. In cats, commonly referenced dosing is 0.25-0.5 mg/kg by mouth every 12 hours or 0.5 mg/kg by mouth every 24 hours. Some pets stay on once-daily dosing, while others need twice-daily dosing for steadier effect.

This medication is usually given with or without food. If stomach upset happens on an empty stomach, your vet may suggest giving future doses with food. Do not change the dose, stop the medication, or double up after a missed dose unless your vet tells you to.

Monitoring matters as much as the tablet itself. Your vet may recommend blood pressure checks, kidney values, and electrolytes after starting benazepril or after dose changes. That is because the right dose is not only about body weight. It also depends on hydration, kidney function, other medications, and the condition being treated.

If your pet is very small, hard to medicate, or needs a nonstandard strength, your vet may prescribe a compounded version. Compounded medications can be useful for dosing flexibility, but they should come from a reputable veterinary pharmacy and be used exactly as directed.

Many pets tolerate benazepril well, but side effects can happen. The most common concerns are vomiting, diarrhea, reduced appetite, weakness, and lethargy. Some pets may also seem wobbly or less coordinated.

Because benazepril lowers blood pressure, one important risk is hypotension. Signs can include unusual tiredness, weakness, stumbling, or collapse. Kidney-related changes can also occur, especially if a pet is dehydrated, already has kidney compromise, or is taking other medications that affect blood flow to the kidneys.

Your vet may also watch for azotemia or high potassium on lab work. These changes are not always obvious at home, which is why follow-up testing is important. Contact your vet promptly if your pet is not eating, is vomiting repeatedly, seems much weaker than usual, drinks or urinates differently, or appears faint.

See your vet immediately if your pet collapses, has trouble breathing, develops facial swelling, or you suspect an overdose. In general, ingestions above about 20 mg/kg raise concern for ACE inhibitor toxicity and may require urgent care.

Benazepril can interact with several medications, so your vet should review every prescription, supplement, and over-the-counter product your pet receives. Important interaction groups include diuretics, other blood pressure medications, vasodilators, and potassium-sparing diuretics such as spironolactone. These combinations can be appropriate, but they may increase the risk of low blood pressure or high potassium.

NSAIDs deserve special caution. When benazepril is combined with NSAIDs, the blood pressure-lowering effect may be reduced, and the risk of acute kidney injury can increase, especially in dehydrated pets or those with kidney disease. Your vet may still use both in select cases, but closer monitoring is usually needed.

Other reported or cautioned interactions include angiotensin receptor blockers, aspirin, acepromazine, amitriptyline, antidiabetic medications, and lithium. Benazepril may also increase the effect of some diuretics and can increase the risk of hypoglycemia in pets receiving insulin or other diabetic medications.

Before starting benazepril, tell your vet if your pet is pregnant, nursing, dehydrated, has low blood pressure, has acute kidney injury, or has had a prior reaction to an ACE inhibitor. Those details can change whether benazepril is a reasonable option and how closely your vet will want to monitor treatment.