Allergies are quite common worldwide that can threaten life. Allergies affect millions of people around the world, and it causes symptoms that can range from mildest to severe life-threatening anaphylaxis. Some treatments like antihistamines, corticosteroids etc can provide relief to the individual, but it is not long-term solution. It offers temporary relief, however do not address the root cause of allergic reactions. Immunotherapy represents a transformative approach by targeting the immune system itself to reduce the allergic responses over time.
Continue reading this article to know more about immunotherapy for allergies, its types, benefits, risks, and more.
Immunotherapy for allergies involves exposing individuals to larger amounts of allergens in an attempt to change the immune system response. This complete procedure aids the body in building tolerance, and eliminating the severity of allergic reactions.
There are several types of immunotherapy. Let us also discuss them.
Following are Immunotherapy Types:
Let us discuss in detail the Types of Immunotherapy and Their Applications
Subcutaneous Immunotherapy also known as allergy shots. These are most common and effective form of allergy immunotherapy. This treatment changes the immune system of the individual, which can help in preventing the development of new allergies.
SCIT is effective for:
SCIT needs regular clinic visits and has a small risk of severe allergic reactions.
Sublingual immunotherapy is an alternate way to treat allergies without injections. While tablets is the only FDA-approved sublingual therapy and allergy drops are not FDA-approved. For people with multiple allergies, allergy tablets may not be the good option for them because they treat only one at a time. However allergy shots can treat various allergies at one time.
It is particularly effective for:
OIT, where individuals eat or drink the food they are allergic to and slowly increasing up the amounts they can safely have under medical supervision. This typically takes place over a period of weeks or sometimes even months.
Common targets are:
The most common side effects involve the gastrointestinal (GI) tract and needs long term maintenance. Typical symptoms are abdominal pain, vomiting and cramping.
Epicutaneous Immunotherapy has been popular since last few years. EPIT is particulary suited for younger children. EPIT uses a skin patch to deliver allergens through the skin. Slowly, it is increased with time by wearing the patch for longer periods of the day, until a maintenance dose is reached 24 hours daily.
Research suggests that EPIT promises for safe, and long-term allergy management.
The immune system of allergy sufferers overreacts to the harmless things (like pollen or pets) causing an allergic reaction. Immunotherapy will gradually train your immune system not to react to these triggers.
Immunotherapy works by:
We have discussed the types of Immunotherapy, now let us discuss the benefits of Immunotherapy.
Some of the benefits of Immunotherapy are as below:
Feature | Immunotherapy | Antihistamines/Nasal Sprays |
Mechanism | It Modifies immune response | Blocks histamine/reduces inflammation |
Duration | It provides lasting relief. | It provides temporary relief |
Side Effects | Mild to rare severe reactions | Drowsiness, dry mouth |
Amount | It has Higher upfront amount | It has Lower cost, ongoing expense |
Immunotherapy is a preventive treatment for allergic reactions. It offers allergy sufferers with a potential cure, which makes them worry free. It can improve the quality of life and also eliminate the need for several medicines.
Individuals suffering from persistent allergies should talk to an allergist to find out if immunotherapy is right option for them. Before starting the treatment, the allergist and patient first recognise the trigger aspects for allergy symptoms.