Trombiculosis

Chigger2

TrombiculosisSores

Trombiculosis is a parasitic infestation caused by the larvae of Trombiculidae mites, commonly known as chiggers. These mites are found in various regions around the world and are known for their irritating bites, which can lead to intense itching and dermatitis.

Etiology

Trombiculosis is caused by the larval stage of mites belonging to the family Trombiculidae. The larvae, also known as chiggers, attach to the skin of humans and animals to feed on tissue fluids. The mites inject digestive enzymes into the host's skin, which causes the surrounding tissue to liquefy, allowing the larvae to ingest the resulting fluid.

Symptoms

The primary symptom of trombiculosis is intense itching at the site of the bite. Other symptoms may include:

• Red, pimple-like bumps
• Swelling
• Blistering
• Dermatitis

Diagnosis

Diagnosis of trombiculosis is typically based on the clinical presentation and history of exposure to areas where chiggers are prevalent. In some cases, a skin biopsy may be performed to identify the presence of mite larvae.

Treatment

Treatment for trombiculosis focuses on relieving symptoms and preventing secondary infections. Common treatments include:

• Topical corticosteroids to reduce inflammation and itching
• Antihistamines to alleviate itching
• Antibiotics if secondary bacterial infection occurs

Prevention

Preventive measures to avoid trombiculosis include:

• Wearing long sleeves and pants when in areas where chiggers are common
• Applying insect repellent containing DEET
• Avoiding sitting or lying on the ground in infested areas
• Showering and washing clothes immediately after potential exposure

Epidemiology

Trombiculosis is found worldwide, with higher prevalence in regions with warm and humid climates. The mites are commonly found in grassy fields, forests, and areas with dense vegetation.

See also

• Mite
• Parasitic infestation
• Dermatitis
• Insect repellent

Related pages

• Trombiculidae
• Chigger
• Parasitology
• Skin disease

This infectious disease-related article is a stub. You can help WikiMD by expanding it.