Why We Don’t Recommend Kenalog (‘Hay fever Jab’): Safety, Regulatory Guidance & Effective Allergy Care

Hay fever can be a persistent and frustrating condition for many people. Over the years, various treatments have been proposed to manage symptoms, including the use of Kenalog injections, sometimes referred to as the ‘hay fever jab’.

Kenalog (triamcinolone acetonide) is a steroid injection that is sometimes promoted online and on social media as a quick fix for hay fever or allergic rhinitis.

However, after careful consideration of safety concerns, regulatory guidance, and the availability of more effective allergy care options, we do not recommend Kenalog for hay fever treatment. Instead, we focus on safe, licensed, evidence-based allergy care.

In this article, we will explain why, and offer practical advice on safer and more effective approaches to managing allergies.

📌 1. Kenalog Is Not Licensed for Hay Fever in the UK

Kenalog (hay fever jab) is a prescription-only medicine (POM). It is licensed for certain inflammatory conditions such as joint disorders, but it is not licensed in the UK for the treatment of hay fever or allergic rhinitis.

The UK regulator — the Medicines and Healthcare products Regulatory Agency (MHRA) — and the Committees of Advertising Practice (CAP) have made this clear in enforcement guidance. See here: https://www.gov.uk/government/news/mhra-and-cap-take-action-against-illegal-hayfever-jab-adverts-online

Clinics and advertisers must not directly or indirectly promote Kenalog injections for hay fever to the public. Advertising that suggests it is a hay fever treatment has been subject to regulatory action.

As the MHRA puts it, Kenalog should not be advertised as a hay fever treatment on social media, websites, or other public platforms because this misleads people about its licensed use.

📌 2. Serious Safety and Drug Risk Considerations

Kenalog works by dampening the immune system’s inflammatory response. In hay fever, the immune system overreacts to allergens like pollen, causing symptoms such as sneezing, nasal congestion, and itchy eyes. Corticosteroids can reduce this inflammation, but systemic steroids like Kenalog injections affect the whole body, not just the nasal passages.

This systemic effect can lead to unwanted side effects, especially when used repeatedly or in higher doses.

A recent report from the National Pharmacy Association (NPA) and community pharmacists across the UK has reiterated that Kenalog injections are not appropriate for hay fever and carry risks, especially if obtained from unregulated online sources. They also warn that some products marketed online may be fake, contaminated, or do not meet UK safety standards.

Read more here: https://www.itv.com/news/2025-05-09/public-warned-against-buying-hay-fever-jabs-online?

Dr Martyn King of the JCCP (Joint Council for Cosmetic Practitioners) says:

"Steroids, including triamcinolone (known under the brand name Kenalog®), should not be administered to children unless under direct medical supervision and especially not for season allergic rhinitis (hay fever) which can be managed more safely using other medications in this age group. Children can be particularly susceptible to the adverse events of steroids and due to their age, can have additional risks and complications. These include growth suppression due to premature closure of the growth plates, delayed puberty, weight gain, reduced immunity leading to increased risk of severe infections and impaired response to vaccinations, mood swings, irritability and sleep disturbances. Knowing this, would any parent or responsible injector agree to a child having this injection?" https://www.jccp.org.uk/NewsEvent/safeguarding-jccp-has-received-two-separate-cases-about-practitioners-administering-kenalog-injections-to-children-within-a-24-hour-period

📌 3. Medicines Are Regulated for a Reason

Medication regulation in the UK ensures that products:

• Are of the quality expected

• Have robust evidence supporting their use

• Have known safety profiles

• Are licensed for specific indications

  
  

When medicines like Kenalog are used off-label (i.e., for conditions they are not licensed for), it places the responsibility entirely on the prescriber. Patients must be clearly informed about the lack of established benefit and the potential for harm.

Online purchases, in particular, pose a risk because:

• Products may come from unregulated sources

• They might be counterfeit or substandard

• Dosing and sterility cannot be guaranteed

  
  

None of these risks apply to licensed hay fever treatments such as antihistamines, intranasal steroids, or allergen immunotherapy (desensitisation) when used appropriately.

📌 4. Evidence-Based Alternatives Work Better & Are Safer

For most people with hay fever, effective and safer licensed options include:

• Non-sedating oral antihistamines

• Steroid nasal sprays

• Allergen avoidance strategies

• Immunotherapy (sublingual or subcutaneous) for appropriate candidates

Struggling with hay fever symptoms that aren't responding to antihistamines or nasal sprays?

A consultation with one of our allergy specialists can clarify exactly what you're allergic to and whether immunotherapy — the only treatment that can reduce your sensitivity to pollen over time — might be right for you.

Quick appointments are available. Book a consultation → or call us on 0207 637 9711

(Mon–Sat, 9am–7pm).

The treatments we use have robust evidence of safety and effectiveness and are recommended by NHS clinical guidance for the treatment of allergic rhinitis.

📌 5. Why We Don’t Offer Kenalog (Hay Fever Jab)

At The London Allergy Clinic, we offer care that is:

• Led by allergy specialists

• Aligned with UK regulatory and clinical guidance

• Focused on treatments proven safe and effective

• Clearly explained to patients

We do not advise or provide treatments that are:

• driven by marketing or social media trends

• lacking in credible scientific support

📌 6. If you're looking for a clearer path through hay fever — we can help.

Whether you'd like to understand your allergy triggers properly, explore whether immunotherapy is suitable, or simply get specialist advice that isn't based on social media trends, our team is here.

We see adults and children and most patients only need one appointment plus testing to get answers and a clear plan.

Book a consultation — or reach us by phone or WhatsApp,

Mon–Sat, 9am–7pm: 0207 637 9711.

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