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The human flea (Pulex irritans) – once also called the house flea [1] – is a cosmopolitan flea species that has, in spite of the common name, a wide host spectrum. It is one of six species in the genus Pulex ; the other five are all confined to the Nearctic and Neotropical realms . [ 2 ]
Flea bites cause a slightly raised, swollen, irritating nodule to form on the epidermis at the site of each bite, with a single puncture point at the centre, like a mosquito bite. [ 34 ] : 126 This can lead to an eczematous itchy skin disease called flea allergy dermatitis , which is common in many host species, including dogs and cats. [ 29 ]
After a flea bites you, a small, discolored bump forms and a discolored ring or halo may appear around the bite. Other symptoms to note: Flea bites may appear in a straight line or a cluster of ...
Some people do develop a small, red, itchy bump that they notice after the tick bite, the Mayo Clinic says. At this early state, the bump may look and feel like a mosquito bite .
The most infamous flea-to-human transmitted disease is the bubonic plague, which was caused by the bacterium Yersinia pestis. The plague, fevers, tularemia: The diseases fleas can carry and how to ...
The non-disease-carrying head louse differs from the related disease-carrying body louse (Pediculus humanus humanus) in preferring to attach eggs to scalp hair rather than to clothing. The two subspecies are morphologically almost identical, but do not normally interbreed. From genetic studies, they are thought to have diverged as subspecies ...
For cancer patients, the hair loss that may come with treatment can be hard to deal with. An estimated 65% of people undergoing chemotherapy experience it as a side effect — because the drugs ...
Pulicosis is a skin condition caused by several species of fleas, including the cat flea (Ctenocephalides felis) and dog flea (Ctenocephalides canis). This condition can range from mild irritation to severe irritation. In some cases, 48 to 72 hours after being bitten, a more severe rash-like irritation may begin to spread across the body.