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Can you take nitroglycerin if not prescribed?
Nitroglycerin sublingual tablet is used for short-term treatment. It comes with serious risks if you don’t take it as prescribed. If you don’t take it at all: If you don’t take this drug at all, you may have severe chest pain.
Who should not be given nitroglycerin?
Nitroglycerin is contraindicated in patients that have reported allergic symptoms to the medication.  Known history of increased intracranial pressure, severe anemia, right-sided myocardial infarction, or hypersensitivity to nitroglycerin are contraindications to nitroglycerin therapy.
What is a contraindication to nitroglycerin?
Nitroglycerin is contraindicated in patients who are allergic to it. Sublingual nitroglycerin therapy is contraindicated in patients with early myocardial infarction, severe anemia, increased intracranial pressure, and those with a known hypersensitivity to nitroglycerin.
Will nitroglycerin pills help with ED?
“Nitroglycerin may have some benefits over standard oral ED medications,” Brito says. The onset of topical nitroglycerin is between 10 and 20 minutes, which Brito says is better than the quickest acting oral agents, with sildenafil taking at least 30 minutes.
When not to administer nitroglycerin?
You should not use sublingual nitroglycerin if you have: severe anemia (low red blood cells); a head injury, brain tumor, or increased pressure inside the skull; or circulation problems or shock (pale skin, cold sweat, fast or irregular heartbeats, sudden weakness or feeling like you might pass out).
How dangerous is nitroglycerin?
Instability and desensitization. In its pure form, nitroglycerin is a contact explosive, with physical shock causing it to explode, and it degrades over time to even more unstable forms. This makes nitroglycerin highly dangerous to transport or use.
Why do you get a headache after taking nitroglycerin?
Nitroglycerin causes headache as it is converted to Nitric Oxide in the body, which dialtes blood vessels in the body. This is useful in treating patients with heart attacks and Angina, however approximately 5 % patients have a headache due to increased blood flow to the brain.
What happens if you take nitroglycerin?
Taking nitroglycerin when not needed can lead to severe headaches for one. It also could lead to an unsafe drop in blood pressure and can cause tachycardia which is a rapid heart rate, palpitations and fainting.