Ciclovir (generic name cetirizine hydrochloride tablets) and loratadine both treat allergic diseases, and the exact therapeutic effect varies from person to person, so it is impossible to say who works better. Cetirizine Hydrochloride Tablets are indicated for perennial allergic conjunctivitis, allergic rhinitis, seasonal rhinitis, and itching and urticaria due to allergy. It should be contraindicated in people who are allergic to hydroxyzine and other components of the drug, the presence of severe impairment of renal function. After taking the drug there may be such adverse reactions as dry mouth, abdominal discomfort, headache, dizziness, drowsiness, agitation. Loratadine tablets are suitable for the relief of symptoms associated with allergic rhinitis, as well as for the relief of the signs and symptoms of pruritic dermatoses, chronic urticaria and other allergic dermatoses. It should be contraindicated for use in people who are allergic to the product. Common adverse reactions include fatigue, dry mouth, headache, drowsiness, gastrointestinal discomfort, and rash. Both of the above drugs are commonly used drugs with anti-allergic effects, but it is impossible to tell which drug is better, mainly because of the individual variability of users, the specific effects of the drug vary from person to person. The specific use of both drugs should be carried out under the guidance of a specialist, not unauthorized use of drugs.