May be you are suffering from cough due to infection in throat or chest.
If cough is chronic then
Blood for
Complete blood count, IgE, Mantaux test
Sputum for AFB
Chest X ray PA view
Next Steps
Antibiotic
Antiallergic medicine
Levosalbutamol cough syrup
Povidine iodine gurgle
Steam inhalation
if needed Inhaler
Health Tips
Avoid egg prawn brinjal ripe papaya masoor dahl cold perfume pollen dust coconut oil