Allergy immunotherapy, also known as desensitisation, is a long-term treatment option designed to reduce your sensitivity to allergens. It’s especially helpful for individuals who struggle with severe allergic reactions to things like pollen, dust mites, pet dander, and insect stings. By gradually exposing your body to small amounts of the allergen, allergy immunotherapy helps your immune system become less reactive over time. In this blog, we’ll address some of the most frequently asked questions about allergy immunotherapy to help you understand the treatment better.
Is Allergy Immunotherapy Painful?
Allergy immunotherapy is typically administered through injections or sublingual tablets/drops. If you opt for injections, you may feel a slight pinch or sting when the needle is inserted, but the discomfort is usually minimal and only lasts for a few seconds. Some people might experience mild redness, swelling, or itching at the injection site, but these reactions tend to resolve quickly.
For sublingual immunotherapy (SLIT), where drops or tablets are placed under the tongue, there is no pain involved. Some people may experience slight itching in the mouth or throat, but this side effect usually subsides after the initial doses.
Is Allergy Immunotherapy Lifelong?
Allergy immunotherapy is not typically a lifelong treatment. Most patients undergo treatment for 3 to 5 years. After completing this period, many people experience long-lasting relief from their allergies. However, the length of treatment depends on your individual response to therapy and the severity of your allergies. While some patients may need occasional booster treatments, many find that their symptoms improve significantly or disappear altogether after completing the course.
What Happens If You Stop Allergy Immunotherapy?
If you stop allergy immunotherapy before completing the full course, the benefits may not be as long-lasting. Your body may gradually return to its previous sensitivity levels, and allergic symptoms could come back. That’s why it’s important to stick to the recommended treatment plan. If you have to stop for any reason, it’s best to discuss your options with your allergist. They can advise you on how to manage your symptoms and whether it’s possible to restart treatment later.
How Do I Know If Allergy Immunotherapy Is Working?
One of the key signs that allergy immunotherapy is working is a noticeable reduction in the severity and frequency of your allergy symptoms. For example, you may experience fewer sneezing fits, less nasal congestion, or reduced eye irritation when exposed to your triggers. It’s also common for patients to require less allergy medication over time as their symptoms improve. Your doctor will monitor your progress during regular check-ups, adjusting the dose if necessary to ensure the treatment is effective.
Can Allergies Come Back After Immunotherapy?
In most cases, the benefits of allergy immunotherapy last for many years after completing the treatment. However, for some people, mild symptoms may return over time, especially if they are exposed to high levels of allergens. While a complete relapse is rare, it is possible for some individuals to experience a gradual return of allergies. If this happens, you may need a short course of maintenance therapy or additional treatments to manage the symptoms.
Who Is a Good Candidate for Allergy Immunotherapy?
Allergy immunotherapy is most beneficial for individuals with moderate to severe allergies that are difficult to manage with medications alone. It is particularly effective for treating conditions like allergic rhinitis, allergic asthma, and reactions to insect stings. Candidates for immunotherapy typically include people who:
- Have allergies that last for most of the year or are seasonal
- Are allergic to multiple allergens
- Experience significant disruption in daily life due to allergies
- Do not respond well to antihistamines or other medications
If you’re unsure whether you’re a good candidate, it’s best to consult an allergist who can evaluate your specific allergies and recommend the best course of action.
How Quickly Does Allergy Immunotherapy Work?
Allergy immunotherapy does not provide immediate relief. It is a gradual process that can take several months to show noticeable improvements. Most patients begin to see reduced symptoms within 3 to 6 months of starting treatment. However, the full benefits of immunotherapy often take 1 to 2 years to develop. It’s important to be patient and stick with the treatment plan to achieve long-term relief from allergies.
Can I Take Antihistamines During Immunotherapy?
Yes, you can continue to take antihistamines during allergy immunotherapy, especially in the early stages of treatment. Antihistamines can help manage any symptoms that occur as your body adjusts to the treatment. Your doctor may recommend taking them before your immunotherapy sessions to reduce the risk of reactions. However, as the treatment progresses, you may find that you need antihistamines less frequently as your allergies become more manageable.
Do Allergies Get Worse During Immunotherapy?
In the early stages of allergy immunotherapy, some patients may notice a temporary worsening of their allergy symptoms. This is because your immune system is being exposed to small amounts of the allergen. These reactions are usually mild and short-lived. In rare cases, stronger allergic reactions can occur, which is why it’s important to have your treatment administered by a healthcare professional who can monitor you for any adverse effects. Over time, your body will adjust, and symptoms should gradually improve.
Can Allergy Immunotherapy Fail?
While allergy immunotherapy is highly effective for many people, it doesn’t work for everyone. Some patients may not respond as well to the treatment, especially if they are allergic to multiple substances or have underlying health conditions that affect the immune system. In such cases, other treatment options may need to be explored. Your allergist will assess your progress throughout the treatment and determine whether adjustments are needed to improve its effectiveness.
Allergy Immunotherapy Treatment in Singapore
Allergy immunotherapy is a powerful tool for managing allergic reactions, offering long-term relief for many individuals. It requires commitment and patience, but the results can be very effective. If you have moderate to severe allergies and are looking for a more permanent solution than daily medication, immunotherapy might be the right option for you. If you’re interested in learning more, contact our clinic to schedule a consultation with an allergy specialist and explore whether allergy immunotherapy is right for you.
