Gamasoidosis

Gamasoidosis is a skin condition caused by the infestation of bird mites, specifically the species Dermanyssus gallinae and Ornithonyssus sylviarum. These mites are ectoparasites that primarily infest birds, but can also infest humans, causing a condition known as gamasoidosis.

Symptoms

The primary symptom of gamasoidosis is itching, which can be severe. Other symptoms may include redness, swelling, and small, raised bumps on the skin. The mites tend to bite in areas where the skin is thin and soft, such as the armpits, groin, and waistline. The bites can cause a rash that is often mistaken for other skin conditions, such as scabies or allergic dermatitis.

Causes

Gamasoidosis is caused by an infestation of bird mites. These mites are most commonly found in bird nests, but they can also be found in homes, especially in areas where birds have nested. The mites are tiny and difficult to see with the naked eye. They are most active at night and can crawl onto humans and bite them while they are sleeping.

Diagnosis

Diagnosis of gamasoidosis can be difficult, as the symptoms are similar to those of other skin conditions. A dermatologist may take a skin scraping to examine under a microscope. The presence of mites or their eggs can confirm a diagnosis of gamasoidosis.

Treatment

Treatment for gamasoidosis involves relieving the symptoms and eliminating the mites. Over-the-counter creams and lotions that contain permethrin or crotamiton can help to relieve itching and kill the mites. In severe cases, a doctor may prescribe a stronger medication. It is also important to remove any bird nests from the home and to thoroughly clean and vacuum all areas where the mites may be present.

Prevention

Prevention of gamasoidosis involves avoiding contact with bird mites. This can be achieved by removing bird nests from around the home and by avoiding areas where birds have nested. Using insect repellent and wearing protective clothing can also help to prevent bites.