Nitroglycerin Side Effects and Warnings

What are the precautions when taking this medicine?

• Wear disease medical alert identification.

• The patch may contain conducting metal. Remove patch before MRI.

• Check medicines with healthcare provider. This medicine may not mix well with other medicines.

• Avoid alcohol (includes wine, beer, and liquor).

• Tell healthcare provider if you are pregnant or plan on getting pregnant.

• Tell healthcare provider if you are breast-feeding.

What are some possible side effects of this medicine?

• Feeling dizzy. Rise slowly over several minutes from sitting or lying position. Be careful climbing.

• Flushing. Wearing layers of clothes or summer clothes and cool environment may help.

• Headache. Usually improves after taking the medicine regularly for a week.

• Skin irritation.

Reasons to call healthcare provider immediately

• If you suspect an overdose, call your local poison control center or emergency department immediately.

• Signs of a life-threatening reaction. These include wheezing; chest tightness; fever; itching; bad cough; blue skin color; fits; or swelling of face, lips, tongue, or throat.

• Chest pain or pressure lasting longer than 15 minutes. Get emergency medical care right away. • Increased frequency, duration, or severity of chest pain.

• Severe dizziness or passing out.

• Difficulty breathing.

• Severe headache.

• Any rash.

• No improvement in condition or feeling worse.