Enhanced sensitivity to what is in the air is another sign of overworked adrenal system. Since each person is different, signs of these allergies can vary from one person to the next and may include allergies to trees, grass, or weeds, pet dander, mold spores, pollutants, cleaners, and other chemicals. While most people suffer seasonal allergies from time to time, the increase of inhalant allergies is characteristic among sufferers of adrenal fatigue. Symptoms of allergies can include red and itchy eyes, rash, sneezing, and runny nose. The link between these allergies and adrenal fatigue is that when the adrenal glands are overworked and fatigued, they have more trouble producing the needed cortisol required to fight against allergic reactions.Next