Nitroglycerin is about $9~80 a bottle, different regions, different manufacturers, different specifications, different pricing in each region. 1. Nitroglycerin is mainly used in the treatment of coronary angina, hypertension and congestive heart failure. 2. The price of nitroglycerin varies according to different regional pricing, different manufacturers, different specifications, different dealers and other factors, generally 9 yuan to 80 yuan a bottle. 3. Nitroglycerin contraindications: early myocardial infarction (with severe hypotension and tachycardia), severe anemia, glaucoma, increased intracranial pressure, patients allergic to nitroglycerin, patients who are using sildenafil citrate is prohibited. 4. Adverse reactions to nitroglycerin: headache, nausea, vomiting, dizziness and other adverse reactions may occur. The use of nitroglycerin should be under the guidance of a physician, do not use blindly.