The head, face, neck, palms, and soles often are involved in infants and very young children, but usually not adults and older children. Persons with crusted scabies may not show the usual signs and symptoms of scabies such as the characteristic rash or itching (pruritus).
In addition, when treating infants and young children, scabicide lotion or cream also should be applied to their entire head and neck because scabies can affect their face, scalp, and neck, as well as the rest of their body.
The 2 most widely used treatments for scabies are permethrin cream and malathion lotion (brand name Derbac M). Both medications contain insecticides that kill the scabies mite. Permethrin 5% cream is usually recommended as the first treatment. Malathion 0.5% lotion is used if permethrin is ineffective.
Human scabies is caused by an infestation of the skin by the human itch mite (Sarcoptes scabiei var. hominis). The microscopic scabies mite burrows into the upper layer of the skin where it lives and lays its eggs. The most common symptoms of scabies are intense itching and a pimple-like skin rash.
Scabies is a common disease and typically described as a skin condition with sparing of face and scalp in adults. However, crusted scabies is not conventional scabies. It can also affect the scalp.
Rash: Many people get the scabies rash. This rash causes little bumps that often form a line. The bumps can look like hives, tiny bites, knots under the skin, or pimples. Some people develop scaly patches that look like eczema.
What does scabies look like? The scabies rash takes the form of small, red bumps that may look like pimples, bug bites, hives or knots under the skin. You might be able to see the burrow tracks created by the mites, which appear as raised lines of tiny blisters or bumps.
Treatment for a mite infestation usually involves a cream, gel, lotion or wash containing an acaricide. An acaricide is a pesticide that kills ticks and mites. Your healthcare provider may recommend: Benzyl benzoate.
Face mites are a normal part of healthy skin. They can be passed from one person to another through close contact, like sleeping in the same bed. But they're more likely to be passed when faces touch, such as during a kiss. The immune system is usually able to keep the number of face mites on the skin under control.
Unfortunately, in practice, scabies is largely diagnosed based only on the clinical picture, which may lead to a misdiagnosis. A broad differential diagnosis of scabies can include atopic dermatitis (AD), allergic contact dermatitis, nummular eczema, arthropod bites, dermatitis herpetiformis, etc. (1, 7).
Medicines work quickly to kill the mites, but the itchy rash may last for several weeks after treatment. Marks on the skin from scabies usually go away in 1 to 2 weeks, but sometimes take a few months to go away.
Scabies can lead to skin sores and serious complications like septicaemia (a bloodstream infection), heart disease and kidney problems. It is treated using creams or oral medications.
Key points about scabies
Scabies mites are very contagious. They often spread from person to person while they are sleeping in the same bed, or during other close contact. Scabies should be treated quickly to keep the mites from spreading.
Scabies does not usually spread through a brief touch with someone that has scabies, such as a handshake or hug. Scabies usually spreads to sexual partners and household members. Scabies can also spread through contact with the clothes, bedding, or towels of someone who has scabies.
At high concentrations, tea tree oil is a potent killer of Demodex mites. The problem is that solutions of 100% tea oil, or other high concentrations, are very irritating to the eye. So one approach is to thoroughly wipe the eyelashes and eyebrows with a diluted solution of tea tree oil, from 5% to 50%.
They spend most of their time tucked inside the pores, but while people sleep, they crawl out onto the skin's surface to mate and then head back to lay their eggs. Since they live inside your pores, you can't scrub them off by washing. It's basically impossible to get rid of all of your face mites.
The mite, Demodex follicularum, spends its entire lifetime living in our skin follicles. In the daytime they feed on our oily skin secretions, at night they leave the pore to find mates, and find new follicles in which to have sex and lay their eggs.
Most people can be cured with a medicine that they apply to their skin. These medicines are often applied to all skin from the neck down. Infants and young children often need treatment for their scalp and face, too. A dermatologist will provide specific instructions to follow.
Demodex mite is an obligate human ecto-parasite found in or near the pilo-sebaceous units. Demodex folliculorum and Demodex brevis are two species typically found on humans.
Vaseline or petroleum jelly alone cannot kill the scabies mites. 5% to 10% Sulfur when mixed with petroleum jelly and applied over the skin, effectively manages scabies mites.
Scabies typically starts with itching and a pimple-like rash, often in areas around your wrists, finger webs, elbows, armpits, waist, knees, ankles, or groin.