Thanks for posting your query.
Are you getting fever/ difficulty in swallowing/ sore throat/ cough
With the available described symptoms, there appears to be possibility of recurrent infection induced tonsils enlargement.
Tonsils are actually collection of lymphoid tissue and helps in prevention of infection by engulfing microorganisms.
You should consult with internal medicine specialist/ ENT surgeon and should go for thorough check up.
You should stop smoking
You should take proper food with good hygiene.
You should take complete antibiotic course, decongestants.
You should perform gargles three times in day; a glass of lukewarm water with a pinch of salt.
Dr. Mayank Bhargava