Watsons Health


Nitroglycerin is utilized to counteract chest pain or angina in individuals with a specific heart condition such as coronary artery disease. This medicine is also known as a nitrate. Angina happens when the heart muscle isn’t getting enough blood. This medication works by relaxing and expanding blood vessels so blood can flow effectively to the heart.

Nitroglycerin is used in the following:

  • Angina pectoris

Do not give nitroglycerin to people with the following conditions:

  • Uncorrected hypovolemia
  • Postural hypotension
  • Hypotension
  • Marked anemia
  • Hypertrophic obstructive cardiomyopathy
  • Closed-angle glaucoma
  • Concomitant use withphosphodiesterase type 5 (PDE5) inhibitors

Nitroglycerin may have the following side effects:

  • Orthostatic hypotension
  • Peripheral edema
  • Bradycardia
  • Tachycardia flushing
  • Hypotension
  • Diaphoresis
  • Dyspnoea
  • Rhinitis
  • Pharyngitis

Take extra caution in patients with the following medical conditions:

  • Patient with hypothyroidism
  • Hypothermia
  • Malnutrition
  • Recent heart attack
  • Arterial hypoxaemia due to severe anemia
  • Severe renal or hepatic impairment
  • Pregnancy
  • Lactation


Nitroglycerin may interact with the following medicines:

  • Sildenafil, tadalafil, vardenafil, and avanafil
  • Ergotamine
  • Riociguat

Symptoms of overdose include the following:

  • Shortness of breath
  • Slow breathing
  • Blurred vision
  • Double vision
  • Involuntary eye movements
  • Low blood pressure
  • Rapid heartbeat or slow heartbeat
  • Convulsions
  • Coma
  • Confusion
  • Dizziness
  • Fainting
  • Headache
  • Diarrhea
  • Nausea and vomiting

Seek medical help immediately.

Available Brands:

  • Minitran
  • Nitrodisc
  • Nitro-Dur
  • Nitrogard
  • Nitroglyn
  • Nitrolingual pumpspray
  • Nitromist
  • Rectiv

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