Nitroglycerin overdose

Definition

Nitroglycerin is a medicine that helps relax the blood vessels leading to the heart. It is used to prevent and treat chest pain. Nitroglycerin overdose occurs when someone accidentally or intentionally takes more than the normal or recommended amount of this medication.

This is for information only and not for use in the treatment or management of an actual poison exposure. If you have an exposure, you should call your local emergency number (such as 911) or the National Poison Control Center at 1-800-222-1222.

Alternative Names

Poisonous Ingredient

Nitroglycerin

Where Found

Brand names of nitroglycerin tablets include:

• Deponit
• Minitran
• Nitro-Bid
• Nitrocine
• Nitrodisc
• Nitro-Dur
• Nitrogard
• Nitroglyn
• Nitrol
• Nitrolingual
• Nitrong
• Nitrostat
• Transderm-Nitro
• Tridil

Note: This list may not be all-inclusive.

Symptoms

• Airways and lungs
  • Shortness of breath
  • Slow breathing
• Eyes, ears, nose, and throat
  • Blurred vision
  • Double vision
• Heart and blood vessels
  • Heart palpitations
  • Low blood pressure
  • Rapid heartbeat or slow heartbeat
• Nervous system
  • Convulsions
  • Coma
  • Confusion
  • Dizziness
  • Fainting
  • Headache
• Skin
  • Bluish color to lips and fingernails
  • Cold skin
  • Flushing
• Stomach and intestines
  • Diarrhea
  • Cramping
  • Loss of appetite
  • Nausea and vomiting

Home Treatment

Seek immediate medical help. Do NOT make a person throw up unless told to do so by Poison Control or a health care professional.

Before Calling Emergency

Determine the following information:

• Patient's age, weight, and condition
• The name of the product (ingredients and strengths if known)
• Time it was swallowed
• The amount swallowed
• If the prescription was prescribed for the person

Poison Control, or a local emergency number

The National Poison Control Center (1-800-222-1222) can be called from anywhere in the United States. This national hotline number will let you talk to experts in poisoning. They will give you further instructions.

This is a free and confidential service. All local poison control centers in the United States use this national number. You should call if you have any questions about poisoning or poison prevention. It does NOT need to be an emergency. You can call for any reason, 24 hours a day, 7 days a week.

Take the container with you to the hospital, if possible.

See: Poison control center - emergency number

What to expect at the emergency room

The health care provider will measure and monitor the patient's vital signs, including temperature, pulse, breathing rate, and blood pressure. Symptoms will be treated as appropriate. The patient may receive:

• Breathing support (including artificial respiration)
• Fluids by IV

Expectations (prognosis)

Deaths have occurred, but are rare.

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References

Hollander JE, Diercks DB. Intervention strategies for acute coronary syndromes. In: Tintinalli JE, Kelen GD, Stapczynski JS, Ma OJ, Cline DM, eds. Emergency Medicine: A Comprehensive Study Guide. 6th ed. New York, NY: McGraw-Hill; 2004:chap 51.