** Thanks for contacting with your health concern 1. with a positive history of flu earlier and now presenting with chronic cough symptoms with no satisfactory improvement with antibiotics thus following is my symptomwise approach [since unable to examine you directly]: i. As symptoms are still persisting, it could be an acute viral illness [flu] so get a flu shot [high dose vaccine] as recommended by CDC and get a second opinion regarding medical evaluation and treatment. ii. With the history of chronic symptoms of cough/congestion, lungs felling cold either there is the possibility of seasonal allergy, chronic bronchitis, or pneumonia as such you should see a Chest Specialist for relevant physical examination and investigation like . Hb%, WBC for eosinophilia . X-ray chest for TB, Pneumonia . If other investigations are normal, HIV test [as routine] PS. As mainly chest symptoms are there, thus this is an indication for immediate chest X-ray. iii. The choice of antibiotic will vary from doctor to doctor, and from locality to locality, till then - maintain good oral hygiene, rinse your mouth after every meal, avoid smoking, tobacco chewing. - Take mainly soft diet - rice, chapati, or phulka, with nonspicy vegetables. - Avoid fried foods like wada, samosa, dosa, pakodas, papad,namkeen and potato chips, avoid hotel food. . Do not take any cold drinks, cold water, ice cream, chilled food from the refrigerator. . Avoid sour fruits like citrus fruits, grapes, take sweet fruits- bananas, papaya . Steam Inhalation and warm salt water gargles. . Cover the mouth while coughing (using hand or handkerchief) to prevent the spread of infection to other family members.