Glyceryl Trinitrate

Vasodilator

• Suspected acute coronary syndrome
• Cardiogenic pulmonary oedema
• Autonomic dysreflexia

• Headache
• Flushing
• Hypotension

• BP <100mmHg
• Heart rate <50/min or  >150/min
• Patients <16yrs of age
• Use of drugs to treat erectile dysfunction e.g.
• Sildenafil - Viagra - within 24hrs
• Vardenafil - Levitra - within 24hrs
• Tadalafil - Cialis - within 96hrs

• 600mcg tablet
• Discard 3months after opening the bottle as exposure reduces potency. Bottles must have the date opened written on the label.
• Unused half tablets of GTN must be
• discarded.

• Patients ≥16 years of age
• 600mcg (1 tablet) SL
• Repeat every 5 minutes, monitor BP closely
• Maximum dose: 1.8mg (3 tablets)
• This regime can be repeated 30 minutes after last administration, if indicated.

• Patients ≥16 years of age
• 600mcg (1 tablet) SL
• Repeat every 5 minutes, monitor BP closely
• Maximum dose: 1.8mg (3 tablets)
• This regime can be repeated 30 minutes after last administration, if indicated.

• Patients ≥16 years of age
• 300mcg (1/2 tablet) SL
• Repeat every 5 minutes, monitor BP closely
• Maximum dose: 900mcg (1.5 tablets)

Note: Patients with advanced age, smaller than average size or general debility should receive an initial dose of 300mcg (half a tablet) with subsequent doses of either 300mcg or 600mcg depending on response to a max of 1.8mg (3 tablets).