JEXT (adrenaline autoinjector)
Information for patients
NHS Lanarkshire Neonatal Department
PIL.JEXTAA.19_33007.L
Symptoms of a mild reaction:
- Swollen lips, face or eyes
- Itchy or tingly mouth
- Hives or itchy rash
- Abdominal cramps or vomiting
- Swollen or itchy eyes
- Runny nose or sneezing
Give Piriton/Cetirizine
Dose can be advised by a healthcare professional or a pharmacist.
After 10 minutes, if symptoms are no better – Repeat Piriton/Cetirizine as above and seek advice urgently from your GP (or NHS24 on 111 if out of hours)
​
Symptoms of a severe reaction (anaphylaxis):
- Hoarse voice
- Difficulty swallowing, choking
- Difficult or noisy breathing, wheeze
- Persistent cough
- Dizziness, going pale or floppy, suddenly sleepy
- Collapse, unresponsive [put child into recovery position]
Lie your child down (let them sit if they prefer) + GIVE JEXT + Phone 999
Dose can be advised by a healthcare professional or a pharmacist.Â
Then try to give Piriton/Cetirizine (see above).
If your child is wheezy and has a blue inhaler eg Salbutamol, you can also give 10 puffs using a spacer.
How to give JEXT
- Remove the Jext® from the package
- Remove yellow safety cap
- Hold the Jext® as shown, black tip to thigh, press hard until clicks (can be given through clothing)

- Hold in place for 10 seconds, remove and rub thigh firmly
- Keep your child in the recovery position, or sitting if more comfortable
- Phone 999 and Anaphylaxis [AN-A-FEE-LAX-IS].
- If there is no improvement after 5 minutes, give a further Jext®, if available.
- Observation in hospital after anaphylaxis is recommended.
- Ask your GP for replacement Jext® at earliest opportunity
Useful organisations
Children’s and Young People’s Allergy Network Scotland (CYANS)
Allergy UK or Tel: 01322 619898
Anaphylaxis Campaign or Tel: 01252 542029
Lanarkshire Paediatric Allergy Service
NHS24 – Health Information and Self Care Advice for Scotland
You can contact NHS24 for out of hours advice when your GP surgery or Health Centre is closed. Tel: 111
NHS inform – National Health Information Service
Providing a co-ordinated approach and a single source of quality assured health information for the public in Scotland.

Pub. date: December 2021
Review date: December 2023
Issue No: 02
Reference: PIL.JEXTAA.19_33007.L
21_23941
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