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Common [5] Head lice infestation, also known as pediculosis capitis, is the infection of the head hair and scalp by the head louse (Pediculus humanus capitis). [6] Itching from lice bites is common. [5] During a person's first infection, the itch may not develop for up to six weeks. [5] If a person is infected again, symptoms may begin much ...
Between the treatments, it is advised to wet the hair and comb daily with a louse-comb to remove the hatching lice. If no living lice are found, the treatment was successful, even if nits (eggs) are visible on the hair. If living lice are still present, the treatment is repeated using an anti-louse product with a different active ingredient.
Thus, mobile head lice populations may contain eggs, nits, three nymphal instars, and the adults (male and female) . [1] Metamorphosis during head louse development is subtle. The only visible differences between different instars and the adult, other than size, is the relative length of the abdomen, which increases with each molt, [ 1 ] as ...
Although they show the same symptoms, they have very different treatment plans.
Scalp issues can be unsightly and uncomfortable. If you notice yourself dealing with scalp pain, redness, flaking and itching, you may be dealing with scalp conditions like dandruff or dry scalp.
Dandruff. Dandruff is a skin condition that mainly affects the scalp. [1] Symptoms include flaking and sometimes mild itchiness. [1][2] It can result in social or self-esteem problems. [4] A more severe form of the condition, which includes inflammation of the skin, is known as seborrhoeic dermatitis. [1] The cause is unclear, but believed to ...
Nitpicking is a term, first attested in 1956, that describes the action of giving too much attention to unimportant detail. [1][2] A person who nitpicks is termed as a nitpicker. [1][3] The terminology originates from the common act of manually removing nits (the eggs of lice, generally head lice) from another person's hair. [4]
Body lice. This condition is caused by body louse (Pediculus humanus humanus, sometimes called Pediculus humanus corporis), [18] a louse that infests humans and is adapted to lay eggs in clothing, rather than at the base of hairs, and is thus of recent evolutionary origin.