Carbocistein Tablets and Pentoxyverine Citrate Tablets can be taken together. Carbocistein Tablets is a mucus regulator, which mainly acts on the secretion of bronchial glands to increase the secretion of low-viscosity salivary mucin and decrease the production of high-viscosity fucoidan, thus making sputum less viscous and easier to be clucked out. It is clinically used for the treatment of coughing and dyspnea caused by phlegm viscosity. Pentoxyverine Citrate Tablets have central and peripheral antitussive effect, which can relax the spastic bronchial smooth muscle and reduce airway resistance. It is used clinically to treat dry cough of various causes. The combination of the two drugs can expand the therapeutic scope and enhance the therapeutic effect. So Carbocisteine Tablets and Pentoxyverine Citrate Tablets can be taken together. There are adverse reactions such as nausea, stomach upset, diarrhea and rash after taking Carbocisteine Tablets; Occasional side effects such as constipation, mild headache, dizziness, nausea and abdominal distension after taking Pentoxyverine Citrate Tablets. Carbocisteine tablets are contraindicated in patients with active peptic ulcers; contraindications to the use of Pentoxyverine Citrate Tablets are not clear. Carbocisteine Tablets should be used with caution in people with a history of peptic ulcer. Pentoxyverine Citrate Tablets should not be used to drive machines, vehicles, ships, engage in aerial work, mechanical work and operation of precision instruments during the period of taking Pentoxyverine Citrate Tablets; and should be used with caution in patients with glaucoma and heart failure. If you need to use the above two drugs, should be used under the guidance of a physician, not self-medication to avoid adverse reactions.