The difference between terbutaline sulfate and ipratropium bromide includes drug type, mechanism of action, indications, adverse reactions, etc. 1. Different types of drugs: terbutaline sulfate belongs to adrenergic β2 agonists, ipratropium bromide belongs to tetravalent ammonium compounds with anticholinergic properties. 2. Mechanism of action: terbutaline sulfate can excite the β2 receptor to dilate the bronchial tubes, increase the cleaning function of mucus cilia, and accelerate the clearance of mucus secretion. Ipratropium bromide can prevent the interaction between acetylcholine and the receptors on bronchial smooth muscle, reduce the excitability of vagus nerve, and thus dilate the bronchial tubes. 3. Indications: Terbutaline Sulfate is used to relieve bronchospasm associated with chronic bronchitis, bronchial asthma, emphysema and other lung diseases. Ipratropium bromide is used to treat chronic bronchitis, emphysema, asthma and other chronic obstructive pulmonary diseases. 4. Adverse reactions: terbutaline sulfate can be seen tremor, headache, hypokalemia and other adverse reactions, terbutaline sulfate allergy is prohibited. Adverse reactions of ipratropium bromide can be seen headache, dizziness, allergic reactions, etc. Known allergy to atropine or its derivatives, ipratropium bromide is contraindicated for those who are allergic to this product. If you need to use terbutaline sulfate or ipratropium bromide, it is recommended to use under the guidance of a doctor to avoid delay or adverse reactions.