Comparison of adverse reactions between two drugs;

Adverse reactions of cetirizine: Occasionally, patients have mild and short-term adverse reactions. Such as headache, dizziness, drowsiness, agitation, dry mouth and gastrointestinal discomfort. In the objective test of psychomotor function. The sedative effect of this product is similar to that of placebo. Allergic reactions are rarely reported.

Adverse reactions of loratadine: Common adverse reactions include fatigue, headache, drowsiness, dry mouth, gastrointestinal discomfort including nausea, gastritis and rash. Rare adverse reactions include alopecia, allergic reaction, abnormal liver function, tachycardia and palpitation.

In addition, among the precautions for the use of loratadine, there is an explanation of the influence on liver function (cetirizine has no similar precautions):

1. Patients with severe liver function deficiency should use it under the guidance of a doctor.

2. For patients with impaired liver function, the clearance rate of this product is reduced, so the dosage should be reduced, and the medicine can be taken every other day 10mg.