 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST] ile dysfunction-ED or pulmonary hypertension (such as sildenafil, tadalafil), certain drugs to treat migraine headaches (ergot alkaloids such as ergotamine), riociguat, vericiguat. This medication may interfere with certain lab tests (such as blood cholesterol levels), possibly causing false test results. Make sure lab personnel and all your doctors know you use this drug. Does Nitroglycerin interact with other drugs you are taking? Enter your medication into the WebMD interaction checker Check InteractionThe overdose of Nitroglycerin Oral: If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center. Symptoms of overdose may include: slow heartbeat, vision changes, severe nausea/vomiting, sweating, cold/clammy skin, bluish fingers/toes/lips.  Notes Do not share this medication with others. Lab and/or medical tests (such as blood pressure monitoring) should be done while you are taking this medication. Keep all medical and </s>