When seasonal allergies flare up, you probably expect symptoms like sneezing, congestion, and itchy eyes. But what about feeling completely exhausted? Seasonal allergy fatigue is real, and it can make it harder to concentrate, stay productive, exercise, or simply get through your normal routine. While allergies do not directly make you sick in the same way an infection does, your body’s response to allergens can leave you feeling worn out. The good news is ...