Inflammation of the oral mucosa in the case of drug-induced stomatitis occurs as an allergic reaction of the body to drugs [6].  Most often, stomatitis occurs with oral use of the drug, but it can also occur without contact of the allergen with the oral cavity. The presence of additional symptoms in the form of itching, burning, coughing indicates an allergic origin of stomatitis[ 1]. The most important thing in drug-induced stomatitis is to detect the drug that caused the allergy. After its contact with the body has ceased, antihistamine therapy is prescribed. [4]. As a result of this pathological process, the patient develops damage to the oral mucosa. It can manifest itself in the form of swelling, spots, erosions, and fluid-filled blisters. Along with the rash, coughing, irritation, and itching may occur. [9]

allergic, stomatitis, drug-induced, immune.

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