Taking loratadine correctly is generally not harmful to the liver, but if overdosed it can easily lead to liver burden and cause liver function damage. Loratadine is a more commonly used anti-allergy drugs, belonging to the second generation of antihistamines, mainly used for the treatment of a variety of allergy symptoms, such as allergic rhinitis, pharyngitis, etc., according to the doctor’s instructions to take the drug is not generally harmful, but some patients take their own random drug, the dose is too large, it will be damage to the liver. The drug itself will be metabolized by the liver, if overdose loratadine will cause excessive burden on the liver, which will lead to some liver function damage. Loratadine must be taken by the doctor’s guidance, not to be taken at will, after the use of the drug there may be adverse reactions, such as panic, low blood pressure, high blood pressure, earache, chest pain, etc., if the adverse reactions are obvious, you need to stop the drug and consult a doctor in a timely manner.