Allergic Cough: Causes, Treatments, and Concerns

Allergic cough refers to a type of cough that is triggered by allergens, such as pollen, dust mites, pet dander, or mold. This condition is often associated with

Dear Dr.
Cheng, I have been experiencing gastroesophageal reflux since my pregnancy, and after giving birth, I developed nasal allergies (which I never had before, not even during pregnancy).
Initially, I had frequent sneezing, followed by a runny nose, and then I started coughing.
The cough became unbearable, so I went to see a doctor.
The doctor said it was caused by allergic rhinitis, and gastroesophageal reflux could also be a contributing factor.
Is there a way to improve this condition (referring to the cough)? Also, can allergic cough be transmitted to my child? This issue has been troubling me for a long time!

ruby, 30~39 year old female. Ask Date: 2012/02/17

Dr. Zheng Jueyi reply Otolaryngology

Dear Ruby,
Hello.
The three main causes of chronic cough are gastroesophageal reflux, post-nasal drip, and allergic cough due to asthma.
Coughs caused by these factors are not contagious to children.
However, if the chronic cough persists, it is important to seek medical attention to rule out other causes of cough.
It is recommended to visit the ENT department and the pulmonary medicine department for a thorough evaluation.

Wishing you safety and health,
Dr.
Jue-Yi Cheng,
Attending Physician, ENT Department, Taoyuan Hospital, Ministry of Health and Welfare

Reply Date: 2012/02/17

More Info

Allergic cough can be a frustrating and persistent issue, especially when it is compounded by other conditions such as gastroesophageal reflux disease (GERD) and allergic rhinitis. Understanding the underlying causes, potential treatments, and concerns regarding transmission can help you manage your symptoms more effectively.

Causes of Allergic Cough
1. Allergic Rhinitis: This condition occurs when your immune system overreacts to allergens in the air, such as pollen, dust mites, mold, or pet dander. Symptoms include sneezing, nasal congestion, runny nose, and postnasal drip, which can lead to coughing.

2. Gastroesophageal Reflux Disease (GERD): GERD occurs when stomach acid flows back into the esophagus, which can irritate the throat and trigger a cough. This is particularly common in pregnant women due to hormonal changes and physical pressure on the stomach.

3. Environmental Factors: Changes in weather, exposure to smoke, strong odors, or pollution can exacerbate both allergic rhinitis and cough.

4. Infections: While your cough may be primarily allergic, it can also be triggered or worsened by respiratory infections, which can lead to inflammation and increased mucus production.

Treatments for Allergic Cough
1. Antihistamines: Over-the-counter antihistamines can help reduce the symptoms of allergic rhinitis, thereby alleviating the cough associated with it. Common options include cetirizine (Zyrtec) and loratadine (Claritin).

2. Nasal Corticosteroids: These prescription sprays, such as fluticasone (Flonase) or mometasone (Nasonex), can reduce inflammation in the nasal passages and help control postnasal drip.

3. GERD Management: If GERD is contributing to your cough, lifestyle modifications such as avoiding trigger foods, eating smaller meals, and not lying down immediately after eating can be beneficial. Medications like proton pump inhibitors (PPIs) or H2 blockers may also be prescribed to reduce stomach acid.

4. Allergy Testing and Immunotherapy: If specific allergens are identified, allergy testing can help determine the best course of action. Immunotherapy (allergy shots) may be an option for long-term relief.

5. Cough Suppressants: If the cough is particularly bothersome, your doctor may recommend cough suppressants to provide temporary relief.

Concerns Regarding Transmission
It is important to note that allergic cough is not contagious. Allergies are a result of your immune system's response to specific allergens and do not spread from person to person. However, if your cough is due to a respiratory infection, that could potentially be contagious.

Conclusion
Managing an allergic cough, especially when it is intertwined with conditions like GERD and allergic rhinitis, requires a multifaceted approach. It is advisable to work closely with your healthcare provider to develop a personalized treatment plan that addresses all contributing factors. Regular follow-ups can help monitor your symptoms and adjust treatments as necessary.
If you have concerns about your symptoms or their impact on your daily life, do not hesitate to seek further medical advice. Your health and comfort are paramount, and there are effective strategies to help you manage your condition.

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