Nitroglycerin Tablets, Sprays, and Ointments

Nitroglycerin tablets quickly relax and widen blood vessels (vasodilation), improving blood flow to the heart. This provides instant relief from angina (chest pain) due to coronary artery disease and reduces the risk of heart attack during cardiac emergencies.

Yes, nitroglycerin tablets are prescription-only. They require medical supervision due to potent effects and potential for dangerous side effects or interactions.

If you take nitroglycerin without a medical reason, you may experience a dangerous drop in blood pressure, dizziness, fainting, or severe headache. Never use or share nitroglycerin unless prescribed by your physician.

Nitroglycerin can rapidly relieve chest pain (angina) and may help reduce heart attack risk if used at the first signs of cardiac symptoms. However, it does not “fix” a heart attack. Always call 911 (emergency services) for chest pain that persists or worsens, even after using nitroglycerin.

People with severe low blood pressure (hypotension) Recent users of phosphodiesterase inhibitors (ED drugs like Viagra, Cialis—dangerous drop in blood pressure) Severe anemia, increased intracranial pressure, or known nitroglycerin allergy

If chest pain is quickly stopped by nitroglycerin, it often suggests the pain is due to angina (cardiac cause)—but fast pain relief doesn’t rule out heart attack. Seek attention for any new, persistent, or severe chest pain.

Most commonly, narrowed or blocked coronary arteries due to atherosclerosis Triggers: exertion, stress, cold weather, heavy meals

Nitroglycerin is the best-known, rapid-onset medicine for acute angina pain. Long-term angina and heart attack prevention include beta-blockers, calcium channel blockers, aspirin, and statins (doctor prescribed).

Yes, it is recommended to sit or lie down after taking nitroglycerin to prevent dizziness or fainting due to lowered blood pressure.

You have cardiac chest pain diagnosed as angina or advised by your doctor to use at the onset of chest discomfort or before strenuous activities.

Effects begin within 1–5 minutes Relief can last up to 30 minutes Repeat as directed (up to 3 doses in 15 minutes); seek emergency care if pain persists.

Isosorbide dinitrate/mononitrate (long-acting nitrates), beta-blockers, and calcium channel blockers are alternatives, but do not act as rapidly as nitroglycerin for acute relief.

There is no proven “trick” to stop a heart attack at home instantly. If you have symptoms, take your nitroglycerin as prescribed, chew an aspirin if told by your doctor, and call emergency services immediately.

No medical evidence supports a “7 second trick.” Rapid action with nitroglycerin and immediate medical attention are key.

Life-threatening low blood pressure (shock or syncope), severe headache, and rarely, heart attack in overdoses or improper use. Allergic reactions and methemoglobinemia are very rare.

Angina can often be managed and controlled, but underlying heart disease may require medication, lifestyle changes, stents, or bypass surgery.

It increases blood flow to your heart muscle, removing oxygen deprivation—the core source of angina pain.

Most often felt as pressure, squeezing, or pain in the center or left side of the chest Can radiate to arms, neck, jaw, or back

Nitroglycerin sublingual tablet or spray is the fastest instant-acting medication for angina pain relief.

Angina is chest pain due to lowered oxygen supply to the heart muscle, most often from narrowed or blocked arteries.

Nitroglycerin spray or sublingual tablets are placed under the tongue for rapid absorption and quick chest pain relief.

Burning or tingling under the tongue, warmth or flushing, rapid headache, dizziness, drop in blood pressure, and quick relief of chest pain.

USP-Grade, prescription-only sublingual tablets for fast action Trusted for rapid relief of chest pain and angina worldwide Easy to carry, discreet, and reliable Backed by cardiologist-recommended dosing and safety Tamper-proof, moisture-resistant packaging FDA-approved and compliance verified