Can allergies cause a sudden change in behavior?

Apr 13, 2021 ... ... allergy triggers. With Spring upon us, many are concerned that some allergy symptoms — cough, headache, fatigue, congestion and runny nose ... Some people may develop gastrointestinal symptoms, such as bloating, gas and diarrhea. ... some cases, experience an allergic reaction. Remember to read ... Each time your child sneezes or shows some symptom of an allergic reaction, her body is reacting to the allergen. ... allergy symptoms is noticed, but can take as ... Sep 29, 2019 ... 5 What to do if you are having an allergic reaction to food? Antihistamines may be used to relieve mild allergy symptoms, such as a few ... Mar 6, 2024 ... Some people are able to use lower doses when symptoms are less severe. How to use a nasal spray — Nasal sprays work best when they are used ... Mar 26, 2024 ... For example, your symptoms may sometimes depend on how much of the food you ate. Food allergy symptoms usually start within a few minutes to two ... May 7, 2024 ... Its symptoms are usually more intense than those of classic PMLE, and they often begin earlier, during childhood or adolescence. Several ... Mar 24, 2025 ... ... symptoms without ever having had them before, but there are several potential causes. For one, climate change is causing allergy season to ... Consider several factors when selecting an allergy medication, including your symptoms, how quickly you need relief, and side effects. Antihistamines, a popular ... ... symptoms of hay fever which, while miserable, isn't that serious. However, in some cases, the allergic reactions to mold can be more severe and include. Asthma.