Generally, cyproheptadine hydrochloride tablets and compound glycyrrhizin tablets can be taken at the same time, and both drugs can be used for the treatment of allergic diseases. Cyproheptadine Hydrochloride Tablets is a histamine H₁ receptor antagonist, and has mild and moderate anti 5 hydroxytryptamine and anticholinergic effects, and is suitable for the treatment of urticaria, angio neuromas, allergic rhinitis, allergic conjunctivitis, and other allergic and pruritic dermatoses. It is contraindicated in patients with glaucoma, prostate hypertrophy and other various causes of urinary retention and pyloric obstruction. Compound Glycyrrhizin Tablet is a compound preparation composed of glycyrrhizin, glycine and DL-methionine, which has the functions of anti-inflammation, anti-allergy, immunomodulation and promotion of hepatocyte proliferation. It is mainly used in the adjuvant treatment of chronic liver disease to improve the abnormal liver function of patients; it can also be used in the treatment of eczema, dermatitis, pemphigus and other diseases. It is prohibited for those who are allergic to this product. Both of the above drugs should be used under the guidance of a doctor and should not be used without authorization.