Six allergies to very everyday things that you can develop if you have very bad luck

In Spain, one in four people suffers from some type of allergy. Living with most of them, such as allergies to nuts, bees or cats, is quite simple avoiding their triggers. But some unfortunate people have rare allergies to things that are almost impossible to avoid, like water or sunlight. 'Gizmodo' points out some of the weirder triggers known to drive the immune system into a futile frenzy.

Allergy to water

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For some 50 cases in the world showering, swimming in the pool, contact with melted snow, sweating or walking in the rain can all be dangerous. They are patients with aquatic urticaria or allergy to water, collects 'Europa Press'. Yes, you can have a water allergy. It is a very rare form of urticaria that affects around fifty people in the world, as has been described in the medical literature since it was first discovered in 1964.

Allergy to vibrations

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Scientists at the US National Institutes of Health have identified a genetic mutation responsible for a rare form of urticaria Vibration-induced hereditary, also known as vibratory urticaria. Running, clapping, toweling off, or even taking a bumpy bus can cause temporary skin rashes in people with this rare disorder. By studying affected families, the researchers discovered how the vibration promotes the release of inflammatory chemicals from the mast cells of the immune system, leading to hives and other allergic symptoms.

Cold allergy

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Cold urticaria is a skin reaction caused by cold that occurs minutes after being exposed to the cold. The affected skin has red, itchy bumps (hives), explain experts from the Mayo Clinic. People who suffer from it have very different symptoms, some have mild reactions to cold, while others have severe reactions. For some people with this condition, swimming in cold water can cause very low blood pressure, fainting, or shock.

Allergy to meat

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The alpha-gal syndrome it's a kind of food allergy to red meat, recently identified and other mammalian products. In the United States, the condition usually begins with the bite of a lone star tick, they explain from the Mayo Clinic. The bite transmits a sugar molecule called alpha-gal to the person's body. In some people, this can trigger an immune system reaction that later leads to mild to severe allergic reactions when they consume red meat, such as beef, pork, or lamb meat, or other mammalian products.

Allergy to sunlight

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The doctors of the aforementioned health center explain that sun allergy is a term that is often used to describe a number of diseases in which an itchy rash occurs on the skin that was exposed to sunlight. The most common form of sun allergy is polymorphous light eruption, also known as a sun allergy.

Some people have a hereditary type of sun allergy. Others develop signs and symptoms only when something else triggers them, such as a medication or skin exposure to plants like parsnip or limes. Mild cases of allergy to the sun can go away without treatment. More severe cases may require treatment with steroid creams or pills. People who have a severe sun allergy may need to take preventive measures and wear clothing that protects them from the sun.

Sex allergy

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You may be thinking that it is an allergy to latex, a common material used in condoms, they explain in 'Gizmodo'. But in reality it is an even more strange condition, there are people who develop an exaggerated immune reaction to semen. Known as allergy to semen or hypersensitivity to seminal plasma, the culprit is probably due to the proteins in semen, not the sperm itself. The condition can be controlled by having safe sex. But in at least one case study, doctors appeared to desensitize the woman's reaction by first exposing her vagina to her partner's semen and then prescribing a regular dose of sex every 48 hours.

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