Jext Auto-Injector
Jext is a pre-filled adrenaline (epinephrine) auto-injector designed for emergency use during life-threatening allergic reactions known as anaphylaxis. It contains a sterile solution for intramuscular injection into the outer thigh. Jext is prescribed for people with known severe allergies to foods, insect stings, medications, or for exercise-induced anaphylaxis. When used promptly at the first signs of a severe reaction, it can reverse dangerous symptoms, potentially saving lives.
Complete a short online consultation so our prescriber can confirm the treatment suits you.
The decision to supply the specific treatment and quantity requested will be based on whether our medical team are satisfied that it will be safe, appropriate, and effective.
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Jext Treatment
| Product Name | Jext |
| Manufacturer | ALK-Abelló A/S |
| Active Ingredient | Adrenaline (Epinephrine) |
| Administration | Intramuscular injection (auto-injector) |
| Presentation | Pre-filled pen with safety cap and carry case |
| Available Strengths | 150mcg / 1 Injection, 300mcg / 1 Injection |
| Product Type | POM — Prescription Only |
| Suitable for pregnancy? | Emergency Use Only |
| Use with alcohol | Caution advised - alcohol can increase adrenaline effects |
| Link to Patient Information Leaflet | Jext PIL ↗ |
Medical Content Officer
Nabeel is a co-founder, and medical content officer of Chemist Doctor. He works closely with our medical team to ensure the information is accurate and up-to-date.
Medical Doctor
Dr. Talal is a GMC registered doctor and medical content reviewer at Chemist Doctor. He ensures clinical accuracy and reliability across health content.
Medical Administrative Officer
Usman is a co-founder, and medical administrative officer of Chemist Doctor. He leads the organisation's strategic vision, bridging clinical administration and operational priorities.
Review Date: 2 Jul 2026
Next Review: 1 Jan 2027
Published on: 19 Nov 2025
Last Updated: 3 Jul 2026
