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Can nitrates cause headaches?

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They're a type of medicine that's used to treat chest pain that happens when you have heart disease. Also known as nitroglycerin, the medicine widens your blood vessels so blood can flow more easily to your heart. Headaches are a common side effect of nitrates. You can get a mild to moderate headache soon after you take the medicine, or you might get an intense migraine about three to six hours later. You may also have nausea, vomiting, or sensitivity to light. Your headaches may go away as your body gets used to the medicine.

From: Medicines That Can Cause Headaches WebMD Medical Reference

SOURCES:

FDA: "Learning about Side Effects."

Epilepsy Foundation: "Side Effects."

Mayo Clinic: "Albuterol side effects: Can I avoid them?" "Erectile Dysfunction," "Chronic Daily Headaches."

Harvard Medical School: "Take nitroglycerin to ease and avoid a common heart disease symptom."

British Journal of Pharmacology : "Headache-type adverse effects of NO donors: vasodilation and beyond.

Migraine Trust: "Medication-overuse Headache."

Cleveland Clinic: "Rebound Headaches."

Reviewed by Minesh Khatri on March 30, 2017

SOURCES:

FDA: "Learning about Side Effects."

Epilepsy Foundation: "Side Effects."

Mayo Clinic: "Albuterol side effects: Can I avoid them?" "Erectile Dysfunction," "Chronic Daily Headaches."

Harvard Medical School: "Take nitroglycerin to ease and avoid a common heart disease symptom."

British Journal of Pharmacology : "Headache-type adverse effects of NO donors: vasodilation and beyond.

Migraine Trust: "Medication-overuse Headache."

Cleveland Clinic: "Rebound Headaches."

Reviewed by Minesh Khatri on March 30, 2017

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