Can antibiotics cure seasonal allergic cough?

Q. Is antibiotic a must for seasonal allergic cough?

Answered by
Dr. Shyam Kalyan. N
and medically reviewed by iCliniq medical review team.
This is a premium question & answer published on Jun 24, 2017 and last reviewed on: May 22, 2023

Hi doctor,

For the past three years, I have been suffering from an allergic cough. I have a cough only during the months of September and October. It stretches for a period of 1-2 months. This time my PCP gave me a Decadron shot and within a few hours my cough got better. Should I buy the prescribed antibiotic Zithromax Z-pak and ProAir HFA aerosol? Or should I wait and check the status of the cough?



Welcome to

With the conversation, I understand that you are a 33 year old male suffering from cough especially during the months of September and October through the years.

  • Therefore, it is clear that you are suffering from allergic bronchitis. It is considered to be seasonal.
  • This cough exacerbates in specific months like September and October in your case. During such exacerbation, it is advisable to take a steroid, bronchodilator and an antibiotic.
  • In your case, Decadron (Dexamethasone) is the steroid, ProAir HFA aerosol (Albuterol) is the bronchodilator and Zithromax Z-Pak (Azithromycin) is the antibiotic.
  • Accordingly, antibiotic should be prescribed only if infection is present and if there is yellow or green colored sputum production, fever and chest congestion.
  • Bronchodilator in the form of aerosol spray helps to relieve bronchospasm and to get rid of any inflammation associated with it.
  • I would suggest you to continue with the aerosol spray as prescribed by your doctor. Check for few days. If the symptoms of cough recur, then start the antibiotics.
  • When the allergic bronchitis exacerbates, you can use ProAir inhaler and Seroflo inhaler (combination of Fluticasone and Salmeterol) or Budecort (Budesonide) inhaler together.
  • The two inhalers have a specific way of usage. You can check it with your physician.

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