There are many varieties of rescue medicines, including the following. For the respiratory system, the main respiratory stimulants are silymarin, as well as medicines to relieve airway narrowing and tracheal spasm, including dexamethasone, prednisone, aminophylline, doxophylline, and dihydroxypropyl theophylline. Emergency medications that raise blood pressure and restore heart rate include epinephrine, isoprenaline, dopamine, atropine, and other medications. Drugs that can restore heart rate and restore ventricular fibrillation include lidocaine and amiodarone. Other emergency medications that are effective for heart attacks and blocked blood vessels in the brain include nitroglycerin, hydrocopiogrel tablets, atorvastatin calcium tablets, and aspirin. Some of these first aid medicines must always be kept at home, and in case of an emergency, they are very good first aid medicines that can save the patient’s life.