II. Indications
- Acute Myocardial Ischemia (Angina Pectoris)
- Exertional or rest Angina
III. Precautions
- Do not take more than 3 Nitroglycerin doses in 15 minutes
- Seek immediate attention (call 911):
- Anginal pain not improved after the first Nitroglycerin after 5 minutes
IV. Preparations
-
Nitroglycerin Sublingual (0.15 to 0.6 mg)
- Sublingual 0.4 mg prn Angina up to 3 in 15 minutes
- One tablet may be used preventively before activity expected to cause Angina
- Costs roughly 40 cents per tablet
- Sublingual tablets are now good until expiration bottle (even after opening)
- Formulation lasts 2 years from manufacture date
- Assumes the bottle is kept capped, at room Temperature
- Older formulations in the distant past needed replacement every 6 months
- Nitroglycerin Spray (0.4 mg/spray)
- Nitroglycerin Powder (single dose packet)
- Open packet and pour under Tongue up to 3 in 15 minutes
- Expensive ($7 per packet in 2016)
V. Adverse Effects
- See Nitroglycerin
VI. Safety
- Pregnancy Category C
- Unknown safety in Lactation
VII. Mechanism
- See Nitroglycerin
VIII. Resources
- Nitroglycerin Sublingual Tablets (DailyMed)
- Nitroglycerin Spray (DailyMed)
IX. References
- (2016) Presc Lett 23(11)
- Olson (2020) Clinical Pharmacology, Medmaster Miami, p. 70-1
- Hamilton (2020) Tarascon Pocket Pharmacopoeia
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Related Studies
Concepts | Pharmacologic Substance (T121) , Organic Chemical (T109) |
SnomedCT | 346460001 |
English | Oral glyceryl trinitrate, Oral form glyceryl trinitrate (product), Oral form glyceryl trinitrate, Oral glyceryl trinitrate (product), Oral glyceryl trinitrate (substance) |
Spanish | trinitrato de glicerilo oral, trinitrato de glicerilo oral (producto), trinitrato de glicerilo, forma farmacéutica oral (producto), trinitrato de glicerilo, forma farmacéutica oral |
Ontology: Glyceryl trinitrate spray (C0358692)
Concepts | Clinical Drug (T200) |
SnomedCT | 346463004 |
English | Glyceryl trinitrate spray, Glyceryl trinitrate spray (product), Glyceryl trinitrate spray (substance) |
Spanish | trinitrato de glicerilo en aerosol (producto), trinitrato de glicerilo en aerosol, trinitrato de glicerilo en spray (producto), trinitrato de glicerilo en spray |