Respiratory allergies need to take anti-allergy medication, such as allergic rhinitis can take levocetirizine hydrochloride, etc.; allergic asthma montelukast, loratadine and so on. Symptoms of respiratory allergies, most cough, morning or night obvious. In addition to coughing can also appear runny nose, asthma, chest tightness, itchy skin and so on. If you have cough, nasal congestion, runny nose, and a history of allergen exposure, you can take oral medications such as levocetirizine hydrochloride and loratadine. Levocetirizine Hydrochloride can treat allergic rhinitis and chronic urticaria, among others. Adverse reactions include headache, drowsiness, fatigue, etc.; it is forbidden for those who are allergic to this product, and it is forbidden for patients with advanced kidney disease, etc. Loratadine Tablets can be used to relieve allergic rhinitis, skin itching, chronic urticaria and other allergic symptoms. Adverse reactions include weakness, drowsiness, nausea, gastritis and so on. It is contraindicated for those who are allergic to this product. In addition to medication, allergy sufferers should pay attention to their daily life, stay away from allergens, and eat less seafood and other fishy and stinky food. Respiratory allergies need to stay away from allergens, if the symptoms are serious, you need to immediately seek medical attention and follow the doctor’s instructions for medication.