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How scabies is transmitted and symptoms

How scabies is transmitted and symptoms


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The disease called scabies is nothing more than an infestation by a mite that affects the skin. How scabies is transmitted therefore? Through this microscopic parasite, so small that it can penetrate the upper layer of the skin and, once in our body, continues its development also laying eggs.

From a more practical point of view we can say that most of the time scabies is transmitted through the sexual contact but it can also happen to contract theinfection when placed in contact with clothing, bed linen and towels it is low. The risk increases when there are scabs or open wounds on the skin.

You often hear about scabies but if you don't have it, you don't know the specific symptoms. Let's see the main ones like the intense itching, especially at night, and the presence of ulcerations and wounds, because you scratch yourself so insistently, without being able to do without it,

Contrary to what happens for other pathologies, for the scabies there are no areas more at risk than others. It is a disease that is widespread almost everywhere and that we can say has recently returned to vogue, after being considered very rare for several years.

At all ages, in all areas, scabies can be contracted, there are obviously factors that increase the risk of transmission. There poor hygiene, for example, or promiscuity. Winter is the best season for scabies, which occurs mostly indoors. Animals cannot transmit this disease, which is purely human, but they have another mite that is their enemy and which creates very similar symptoms. And it does not attack man.

Before going to find out how the scabies, let's make it clear that this disease does not go away by itself. There are some therapies to follow and which are very often not demanding but once healed you do not become immune, unfortunately you can be infected again.

How scabies is transmitted

The contact between epidermis is enough for the infection to become possible, we can therefore speak of "highly contagious" disease. As we have said, most cases of transmission are linked to sexual intercourse with an infected person and it should be noted that condoms, for scabies, are not enough to protect us.

A person can be considered contagious already during the disease incubation period, before symptoms are evident and this makes scabies even more insidious. The more crowded a place is, the more likely you are to come across an infected person who can infect us, and this disease is also transmitted through objects. Clothes and linens, but also furniture or surfaces. If they have been in contact with the infected person, they can turn into disease vectors, although this is not often the case.

Scabies: causes

We already know who the culprit is, themite called “Sarcoptes scabiei var hominis”. It is so small that it is not possible to see it with the naked eye but it cannot survive away from human skin for over 36-48 hours. Let's see better how this mite behaves. After mating, while the males remain on the skin, the females go to deposit their eggs by digging a special tunnel. They do it with one extremely high speed and they are able to lay eggs at the rate of up to 3 per day. Maximum time 4 days the eggs hatch and the larva comes out, which comes out of the tunnel and digs short tunnels remaining on the surface of the skin. In total, the time it takes for a mite to become an adult is about 10-13 days.

Scabies: symptoms

Itching is undoubtedly the first sign of scabies it is also the simplest to identify, but it is not the only one. First of all it worsens during the night or if we take a bath and a shower, and is often accompanied by other characteristic symptoms. For example, small painful bumps may appear on the skin, pustules that spontaneously scratch, thus increasing the risk of infections.

Beyond these blisters, the skin itself takes on a look different, it can become thicker and even scaly, with scratches and scabs.

The skin rash typical of scabies is manifested by the presence of red specks and short curved lines: the tunnels dug by the mites. These small tunnels can be found mainly in certain areas such as the palms of the hands, feet and elbows but also around the nipples in women and on the genitals in men.

It is necessary to be very careful because when you scratch your skin which bears the signs of scabies, you risk increasing the chances that the affected skin is also infected with bacteria.

Everyone can contract this disease, there is no age and no sex more predisposed than others, but the elderly and children who have a more weakened immune system, may show more severe symptoms and more distributed spots on the skin. For example also on the head and face.

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Video: What is scabies? How an itch can turn deadly (May 2022).