You might be suffering from atopy. A common characteristic of atopy is a hypersensitivity of skin and mucous membranes causing atopic (allergic) dermatitis, eczema, asthma, and allergic rhinitis or conjunctivitis. The exact cause is unknown but it is considered as genetic. Do you have family history of such conditions??? You need to take anti-allergic on long term basis. Sometimes it resolves spontaneously with time. Advice 1. Continue Montek LC as suggested 2. Tablet Zentel per oral at bed time only once – single dose only 3. Dexona 0.5 mg – 1 tablet twice daily for 10 days 4. Do not scratch too much as it will caused skin damage and infection 5. You can apply calamine lotion – three times daily – will provide soothing effect 6. Do gargle with slight warm salt water four times daily 7. Avoid dust, smoking, alcohol, dry & cold environment and spicy food 8. Wear a face mask while outdoor 9. Investigations a. TLC & DLC b. Allergens test Thanks