Hayfever injection is a corticosteroid (kenalog) injection that reduces your immune system's reaction to pollen. The hayfever jab is given as a deep injection into the buttock. The treatment will only be recommended to people who have severe hayfever symptoms and have tried other treatment options without success.
Hayfever injections are provided by experienced GMC-registered private GPs who will undertake a full risk assessment prior to treatment. They will also fully explain any potential side effects or risks.
The medication from the hayfever jab is slowly released over time reducing inflammation and allergic responses. Most patients will notice a reduction in symptoms within 48 hours, however it can take up to 10 days to notice the effects in some cases. After this, the results will usually last for around 3 months, covering the full hayfever season.
We find that hayfever is especially prevalent in cities like London, where pollution and airborne irritants make allergy symptoms worse. We recommend booking a thorough consultation with a private GP in London to determine whether the hay fever injection is suitable for you.
Hay fever injections have a number of advantages over daily tablets or sprays, including:
You should not be treated with Kenalog if you are allergic to it. It is also not recommended for anyone under 18 years old, pregnant or breastfeeding, or anyone with high blood pressure, diabetes, glaucoma or a weakened immune system.
For best results, we recommend booking your hay fever treatment in March or early April, before pollen levels rise sharply.
The hayfever jab is generally safe but may cause mild side effects like soreness at the injection site, headaches, or temporary sleep disturbances. Our GPs will discuss any risks before administering the injection.
The injection is given intramuscularly into the buttock for best absorption and minimal discomfort.
Kenalog hay fever injections, also known as corticosteroid injections, were previously offered by the NHS as a treatment option for severe hay fever symptoms. However, in recent years, concerns have emerged regarding potential side effects and long-term risks associated with corticosteroid injections. These concerns prompted the NHS to reassess the safety and effectiveness of Kenalog injections for hay fever treatment. In 2018, the NHS made the decision to discontinue Kenalog injections due to safety concerns and a lack of robust evidence supporting their long-term effectiveness. Some of these side effects include redness or pain at the injection site, stomach pain, headache, dizziness, trouble sleeping or weight gain.
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