Uncommon Symptoms of an Allergy
1. Fatigue
Fatigue is one of the less-discussed symptoms of allergies, but it is a common one nonetheless. Allergies can cause fatigue in various ways, from dehydration due to excess mucus production to an increased need for sleep due to an overly active immune system. Allergies can also cause difficulty in breathing, which can lead to decreased oxygen intake, causing fatigue. Additionally, the body's need to fight off allergens can cause the body to become tired as it works to protect itself. If you experience frequent fatigue and think it may be related to allergies, it's important to talk to your doctor.2. Dizziness
Allergies can manifest in many ways, and some of these symptoms can be unexpected. One of the more unexpected symptoms of an allergy is dizziness. While it's not necessarily a common symptom, dizziness can be a frequent occurrence for some people with allergies. Dizziness associated with allergies results from decreased blood pressure and oxygen levels. When your body is dealing with an allergic reaction, it releases histamine, which constricts blood vessels supplying oxygen and blood to the brain. This can cause dizziness, lightheadedness, or even fainting.3. Headaches
Headaches are a common symptom of allergies, and many allergy sufferers experience them. In fact, it's estimated that up to 20% of people with allergies suffer from headaches. These headaches may be caused by the body's response to allergens, such as histamine, or by changes in the environment that trigger an allergic reaction. Allergy headaches can vary in intensity and duration, from mild to severe. They may be localized to one area of the head or be more widespread. Common symptoms include:- A throbbing sensation.
- Pressure.
- Sensitivity to light or sound.
- Pain in the face or neck.
