Allergy occurs when your immune system reacts to a foreign body. Foreign body may medicine like drug, pollen, animal dander, dust and insect venom etc. When you have allergies, your immune system makes antibodies that identify a particular allergen as harmful, even though it isn t. When you come into contact with the allergen, your immune system s reaction can inflame your skin, sinuses, airways or digestive system. The severity of allergies varies from person to person and can range from minor rash to anaphylaxis. Teczine contains levocetirizine which is an anti – histaminic. It is used for treatment of allergy. It relieves itching. Teczine does not contain steroid. But you need steroid to fully control your allergy. Short term use of steroid is needed for a fullyllergy when levocetirizine alone is not effcetiv 1. Levocetirizine 5 mg – 1 tablet once daily for 5 days 2. Dexamethasone (Dexona) 0.5 mg – 1 tablet twice daily for 5 days 3. Do not scratch too much as it will caused skin damage and infection 4. Apply calamine lotion – three times daily locally Thanks