Quite often, people complain not about a bacterial infection of the sinuses but about some strange sore throat and morning nasal congestion, which goes away for a while, and all this is accompanied by entirely unrelated symptoms: fatigue, headaches, and mood swings. In this case, an allergy can be diagnosed, and maybe even an allergen can be detected. But I was surprised that, for some reason, someone began to experience headaches less often or more often and felt less tired when treating n...
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