Myiasis is a condition characterized by the invasion of fly larvae into an open wound or sore. These larvae feed on the host’s living or dead tissue, leading to infection. Although relatively rare in the United States, myiasis is more prevalent in tropical and subtropical regions. The severity and impact of the infection depend on the specific type of myiasis and the extent of the infestation. Remarkably, myiasis ranks as the fourth most common skin disease associated with travel.
Causes of Myiasis
Myiasis is a condition that commonly occurs when flies deposit their eggs in open wounds or sores on the body. Once the eggs hatch, the larvae tunnel into the skin, resulting in an infection. Another way in which myiasis can be contracted is when flies attach their eggs onto biting insects such as ticks or mosquitoes. When these insects bite a person, the eggs are released onto their skin, and the larvae use the bite spots as an entry point into the body.
Recognizing the Signs and Symptoms
Identifying myiasis, commonly known as a parasitic infestation caused by fly larvae, can be done by observing specific signs and symptoms. The primary indicator is the emergence of a lump or boil beneath the skin, which gradually enlarges due to the larvae’s growth. It is worth noting that these lumps may exhibit mobility, as the larvae navigate through the affected area. Individuals experiencing myiasis may also encounter discomforting sensations such as itching, pain, or a prickly heat feeling. It is important to note that these symptoms typically manifest within a 48-hour period following the infestation.