Since your cough is recurring and triggered by climate changes, hot/cold drinks, and sweets, it could be related to conditions like allergy-related cough, asthma, acid reflux, or post-nasal drip. To identify the exact cause, it would be best to consult a pulmonologist
Next Steps
Meanwhile, continue drinking warm water, avoid irritants like dust, smoke, strong smells, excess coffee,sweets, and keep a note of your triggers.
Health Tips
If you’re in Chennai, you can visit reputed hospitals like Apollo Hospitals, Kauvery Hospital, or MIOT International, where experienced pulmonologists and ENT specialists are available.