Guai Mei Tablets and Ambroxol Hydrochloride Tablets are not recommended to be taken together. The main ingredients of Guai Mei Tablets are guaiacol glyceryl ether and dextromethorphan hydrobromide, which are mainly used for coughing and coughing up sputum caused by upper respiratory tract infections and bronchitis. Dextromethorphan hydrobromide is a central cough suppressant, which can inhibit the medulla oblongata cough center and produce cough suppressant effect. Guaime tablets are contraindicated in women during the first 3 months of pregnancy. Adverse reactions include occasional dizziness, headache, drowsiness, agitation, belching (hiccups), lack of appetite, constipation, nausea, skin allergies, etc. The above reactions may disappear on their own after stopping the drug. Taking Guai Mei tablets also need to pay attention to the use of medication for 7 days, the symptoms are not relieved, please consult a physician or pharmacist; children under 2 years of age should be used under the guidance of a physician; depression, peptic ulcer, pulmonary hemorrhage, excessive phlegm, asthma and other patients and the elderly should be used under the guidance of a physician. Ambroxol Hydrochloride Tablets are used for mucous phlegm, excessive phlegm. Ambroxol Hydrochloride Tablets are mucolytic agents, reduce mucus gland secretion, reduce the viscosity of sputum, reduce the retention of mucus, and promote the discharge of sputum. Contraindications include known hypersensitivity to Ambroxol Hydrochloride or other components of the product; contraindicated in women during the first 3 months of pregnancy. Adverse reactions to Ambroxol hydrochloride tablets include occasional rash, nausea, stomach upset, lack of appetite, abdominal pain, and diarrhea. Precautions include avoiding concomitant use with central cough suppressants (e.g. dextromethorphan, etc.) to avoid blockage of the airway by thinned phlegm; consult a physician or pharmacist for dosage for children, etc. Therefore, Guai Mei Tablets and Ambroxol Hydrochloride Tablets are not recommended to be taken together.