Why do allergies make me feel sick?

Allergies are a common health issue that affects millions of people worldwide. They occur when the immune system overreacts to a harmless substance, such as pollen, dust, or certain foods. While most people experience mild symptoms like sneezing, runny nose, and itchy eyes, some may also feel sick and experience more severe symptoms. In this article, we will explore the reasons behind why allergies can make us feel sick.

1. Inflammation

When an allergen enters the body, the immune system releases a chemical called histamine to fight it off. Histamine causes blood vessels to dilate, leading to inflammation in the affected area. This inflammation can cause symptoms like a runny nose, watery eyes, and congestion. In some cases, the inflammation can also affect the digestive system, leading to nausea, vomiting, and diarrhea, making you feel sick.

2. Sinusitis

Allergies can also cause sinusitis, which is the inflammation of the sinuses. Sinuses are air-filled cavities located in the skull, and they help to filter and humidify the air we breathe. When allergens irritate the sinuses, they can become inflamed, leading to symptoms like a stuffy nose, facial pain, and pressure. Sinusitis can also cause headaches, fatigue, and a general feeling of sickness.

3. Dehydration

Allergies can cause symptoms like a runny nose, watery eyes, and sweating, which can lead to dehydration. When the body loses more fluids than it takes in, it can cause symptoms like dizziness, fatigue, and nausea. Dehydration can also make you feel sick and weak, as it affects the body’s ability to function properly.

4. Immune system overload

When the immune system is constantly fighting off allergens, it can become overloaded and weakened. This can make you more susceptible to other illnesses, such as colds and flu, which can make you feel sick. Additionally, the constant release of histamine and other chemicals can also cause fatigue and a general feeling of malaise.

5. Allergic asthma

Some people with allergies may also have asthma, a chronic respiratory condition that causes inflammation and narrowing of the airways. When allergens trigger an asthma attack, it can cause symptoms like coughing, wheezing, and difficulty breathing. These symptoms can make you feel sick and exhausted, as your body is working harder to breathe.

6. Anxiety and stress

Living with allergies can be stressful, especially if they are severe and affect your daily life. The constant fear of having an allergic reaction or not being able to avoid allergens can cause anxiety and stress. These emotions can lead to physical symptoms like nausea, stomach pain, and headaches, making you feel sick.

7. Medication side effects

Some people with allergies may take medications, such as antihistamines, to manage their symptoms. While these medications can be effective, they can also cause side effects like drowsiness, dizziness, and nausea. These side effects can make you feel sick and affect your daily activities.

In conclusion, allergies can make you feel sick due to various reasons, including inflammation, sinusitis, dehydration, immune system overload, allergic asthma, anxiety and stress, and medication side effects. If you experience severe or persistent symptoms, it is essential to consult a doctor for proper diagnosis and treatment. Managing allergies with the help of a healthcare professional can improve your overall health and well-being.