Recurrent tonsillitis is common now a days, inadequate use of antibiotics, sttopage of antibiotics before complete cure is the main culprit. I suggest you to take proper course of antibiotic for appropriate days after consulting.
Next Steps
Cover your nose while going in crowded and polluted areas. Take healthy nutritious diet, avoid junk food, gargle with warm saline water daily in morning for 7 days.
Health Tips
Avoid spicy and oily food