What is the antidote for cantharidin poisoning?

Treatment: There is no specific antidote for cantharidin poisoning, but prompt, vigorous symptomatic therapy is necessary for a good outcome. Oral administration of mineral oil aids in evacuation of the GI tract, and repeated dosing may be indicated. Activated charcoal, PO, may be helpful if given early.

Is cantharidin toxic?

Cantharidin is a poisonous substance secreted by blister beetles, including the ‘Spanish fly’. Historically, cantharidin was used as an aphrodisiac, vesicant and abortifacient. Symptoms of poisoning include gastrointestinal and genitourinary mucosal irritation along with renal dysfunction.

Are blister beetles poisonous to cats?

These beetles are also toxic to sheep, cattle, goats, dogs, cats, rabbits, rats and humans. So, here is some basic information to help you understand more about the blister beetle and the risks to horses.

What causes cantharidin?

HORSES COME INTO CONTACT WITH CANTHARIDIN by ingesting alfalfa hay that has been infested by blister beetles. Horses come into contact with cantharidin by ingesting alfalfa hay that has been infested by the beetles. The oily substance can contaminate the hay even if the beetles were crushed into the feedstuff.

Is cantharidin legal in the US?

Although not approved by the United States Food and Drug Administration, cantharidin has been available through a variety of compounding sources without standardization of manufacturing, formulation, or method of application.

How long does it take for cantharidin blisters to heal?

Topical cantharidin treatment causes formation of blisters within 24 to 48 hours. Healing is complete 4 to 7 days after application. The degree of blistering is controlled by instructing the patient to wash the treated site with soap and water after a specified length of time, usually in the range of 2 to 6 hours.

How does cantharidin cause cell death?

Cantharidin exhibits strong cytotoxicity and induces apoptosis in human leukemic cells by activation of the p38 and JNK kinase pathways associated with p53 and caspase-3[9].

Is cantharidin FDA approved?

First, there is no FDA-approved cantharidin product currently available; thus, raw material sources and topical formulations of cantharidin vary in consistency and availability.

How do you treat blister beetle blisters?

How to treat blister beetle welts or blisters. Welts and blisters will disappear in about a week. To treat symptoms of a local reaction, wash the blister with warm, soapy water each day, and then apply a topical steroid or antibiotic. This can prevent a secondary infection and ease redness, swelling, and pain.

How do you get rid of blister beetles?

Controlling Blister Beetles in Gardens You may see blister beetles swarming in gardens around midsummer. Handpicking is a good way to control the beetles, but wear gloves to protect yourself from the toxin. Knock them into a container of soapy water where they will die, or shake a stem over a pan of soapy water.

Where are blister beetles found?

Where Do Blister Beetles Live? Blister beetles are often found where grasshoppers (their main source of food) are common throughout the United States. They have also been seen in the West Indies as well as South and Central America.

What is horse Poisonosis?

Toxicosis occurs when horses ingest alfalfa hay or products that are contaminated with “blister” beetles. Clinical signs may vary from depression to severe shock and death, depending upon the amount of toxin ingested.

How much cantharidin is toxic to a horse?

The minimum lethal oral dose in horses has not been established, but it appears to be <1 mg/kg body wt. As little as 4–6 g of dried beetles may be fatal to a horse. The toxicity of cantharidin does not decrease in stored hay, and cantharidin is also toxic to people, cattle, sheep, goats, dogs, cats, rabbits, and rats.

What kind of painkillers are toxic to cats?

Non-steroidal anti-inflammatory medications, such as ibuprofen or naproxen. The most common cause of pet poisoning, these painkillers can cause ulcers in the stomach and intestines, and kidney damage. Acetaminophen (Tylenol) is particularly toxic to cats, resulting in red blood cell damage.

What are the symptoms of cantharidin poisoning?

Symptoms of cantharidin poisoning include blood in the urine, abdominal pain, and rarely prolonged erections. The extreme toxicity of cantharidin makes any use as an aphrodisiac highly dangerous. As a result, it is illegal to sell (or use) cantharidin or preparations containing it without a prescription in many countries.

Is your cat exposed to toxic chemicals?

Cats exposed to toxic chemicals may not exhibit all of the signs of poisoning. In fact, sometimes insecticides will cause the opposite of these symptoms instead, but there will usually be some indication that the cat is not well.