Allergies – Why People Have Them & Treatment Options

What Are Allergies and Why Do People Have Them?

Allergies are the result of the immune system reacting to substances that are usually harmless. These substances, known as allergens, can trigger an immune response, leading to a variety of symptoms. 

The immune system’s role is to protect the body from harmful invaders, but in the case of allergies, it misidentifies certain substances as threats and causes the body to react unfavorably.

Understanding Allergies:

1. Immune System Reaction: Allergies occur when the immune system mistakes a harmless substance, such as pollen or certain foods, for a dangerous invader. This triggers the release of chemicals, like histamines, leading to allergic reactions.

2. Common Allergens: Allergens vary widely and can include pollen, pet dander, certain foods (like nuts or shellfish), insect venom, and certain medications. Each person may have a unique set of allergens that provoke a reaction.

3. Genetic Predisposition: There is a genetic component to allergies. If one or both parents have allergies, there’s an increased likelihood that their children will also develop allergic reactions.

4. Environmental Factors: Exposure to certain environments and substances during early childhood can influence the development of allergies. Living in environments with limited exposure to potential allergens may increase susceptibility.

Why Do People Have Allergies?

Overreactive Immune System: In individuals with allergies, the immune system tends to be hypersensitive. It reacts strongly to substances that, for most people, would not cause any harm.

2. Hygiene Hypothesis: The hygiene hypothesis suggests that environments with reduced exposure to bacteria and infections may lead to an overactive immune response to harmless substances. This hypothesis is linked to the rising prevalence of allergies in more sanitized societies.

3. Allergy Triggers: Allergies can be triggered by a combination of genetic predisposition and exposure to specific allergens. Factors such as air pollution, dietary changes, and lifestyle choices may also contribute.

4. Developmental Factors: Allergies can develop at any age, but they often manifest in childhood. Early exposure to potential allergens and genetic factors play a crucial role in the development of allergies during childhood.

How Can a Doctor Help You If You Have Allergies?

Visiting a doctor for allergies is a crucial step toward effective management and relief. Medical professionals employ various strategies to understand, diagnose, and treat allergies tailored to each patient’s unique needs.

1. Accurate Diagnosis:

  • Once test results are available, doctors can provide a precise diagnosis of the types of allergies affecting an individual.
  • Knowing the specific allergens allows for targeted treatment plans.

2. Prescription Medications:

  • Doctors may prescribe medications such as antihistamines, decongestants, or corticosteroids to alleviate allergy symptoms.
  • Prescription-strength medications are often more potent and can provide more significant relief.

3. Allergy Action Plans:

  • Doctors assist in creating personalized allergy action plans. These plans outline steps to manage and prevent allergic reactions.
  • They often include guidance on avoiding specific allergens and what to do in case of an emergency.

4. Monitoring and Follow-Up:

  • Regular check-ups allow doctors to monitor the effectiveness of treatments and make adjustments as needed.
  • Ongoing communication ensures that the treatment plan aligns with the patient’s evolving needs.


A doctor plays a pivotal role in helping individuals manage allergies effectively. From accurate diagnosis and prescription medications to long-term solutions like immunotherapy, the guidance of a medical professional ensures a comprehensive and personalized approach to allergy treatment. Your health is a large part of your quality of life, and any problems confronting your health should be dealt with immediately. If you or a loved one are experiencing allergies, visit any of the seven Citra Urgent Care Centers in the DFW area.