Nitroglycerin: Side Effects, Uses & Monitoring

Facts extracted from current FDA product labeling for Nitroglycerin. Educational only — not medical advice.

Reported adverse reactions

ReactionHighest frequency reported*
Headache63%
Lightheadedness6%
Hypotension, and/or syncope4%
Increased angina2%

*Highest percentage across placebo-controlled trial tables summarized in current labeling.

Labeled uses

Transdermal nitroglycerin is indicated for the prevention of angina pectoris due to coronary artery disease. The onset of action of transdermal nitroglycerin is not sufficiently rapid for this product to be useful in aborting an acute attack.

Source: FDA labeling via NIH DailyMed (set 5e15296c…). Not affiliated with FDA or NIH.

Medical disclaimer: Always consult a qualified healthcare professional about any medication.