Correct spelling for the English word "allergy tos" is [ˈaləd͡ʒi tˈɒs], [ˈalədʒi tˈɒs], [ˈa_l_ə_dʒ_i t_ˈɒ_s] (IPA phonetic alphabet).
There seems to be a typo in your query; however, I will provide a definition for "allergy tos" as "allergy toes" as it appears to be the most appropriate interpretation.
Allergy toes, also known as pernio or chilblains, is a medical condition characterized by the inflammatory response of the skin on the toes due to exposure to cold temperatures. It is considered an abnormal reaction of the small blood vessels in response to cold temperatures, leading to redness, swelling, itching, and possible blistering or ulceration. It typically affects the extremities such as the toes, fingers, ears, and nose.
Individuals with allergy toes may experience discomfort, pain, or a burning sensation during episodes of exposure to cold weather or sudden temperature changes. The symptoms usually manifest shortly after being exposed to cold conditions and may persist for several weeks. In severe cases, the condition may result in skin lesions or secondary skin infections.
It is important to note that allergy toes are not caused by an allergic reaction to a specific allergen but rather a hypersensitivity to cold. People with poor circulation, those living in cold climates, and individuals with immune system disorders or rheumatic diseases are more prone to developing allergy toes.
Treatment for allergy toes may involve avoiding exposure to cold temperatures, keeping the affected area warm, using protective clothing or shoes, and applying warm compresses to alleviate symptoms. In some cases, medications may be prescribed to improve blood circulation or manage pain and inflammation.