Glyceryl Trinitrate Sublingual Spray (GTN) 200 dose

Glyceryl trinitrate, or GTN, is a type of medicine called nitrate. It is used to treat angina (chest pain).

It can help stop chest pain if an angina attack has already started. It can also help to prevent them from starting.

It comes as tablets or as a spray that you put under your tongue. It also comes as patches and ointment that you put on your skin.

Sometimes GTN patches are used in hospitals to make it your veins easier to see if you need to have a drip (infusion).

Spray – 1 or 2 sprays under your tongue. If you're still in pain after 5 minutes you can have a second dose of 1 or 2 sprays under your tongue. If you're still in pain after 5 minutes you can have a third and final dose.

Do not use more than 3 doses during an angina attack. 1 dose is 1 to 2 sprays under the tongue.

GTN can only be used by adults aged 18 years and above. Do not give it to children.

This medicine is not suitable for some people. Tell your doctor or pharmacist if you have:

• ever had an allergic reaction to GTN or any other medicine in the past

• any recent brain or head injuries or problems (including bleeding in your brain and raised pressure in your head)

• ever had a stroke

• any heart problems (other than angina), including a recent heart attack or heart failure

• low blood pressure (hypotension)

• anemia

• glaucoma

Reporting of side effects

If you get any side effects, talk to your doctor or pharmacist. This includes any possible side effects not listed in the above description and patient information leaflet. You can also report side effects directly via the Yellow Card Scheme at: www.mhra.gov.uk/yellowcard or search for “MHRA yellowcard” in the Google Play or Apple App Store. By reporting side effects you can help provide more information on the safety of this medicine.