Hello and welcome to e health forum.
From the history provided, it seems that you have recovered from a severe bout of âbronchitis and could be having symptoms due to residual inflammation.
Such âinflammation of the airway presents as dry, cough in âparoxysms which can persist for 3-8 weeks after one ârecovers from any viral infection.
Management of such symptoms is conservative with nonsteroidal anti-inflammatory medications (ibuprofen, naproxen), aspirin, or acetaminophen (Tylenol) can help to relieve the pain.
Heated, humidified, air can improve symptoms of cough and bronchial irritation.
Cough suppressant medications have not been shown to be helpful for most patients.
In case, you do have difficulty in breathing, wheezing or airflow obstruction, Inhaler medications which help in bronchodilation can be helpful, which will require a doctors prescription.
I hope this helps.