Allergy treatments

antihistamines, desensitisation, immunotherapy, desensitising sublingual immunotherapy (SLIT), allergy shot therapy, anaphylaxis treatment

At The London Clinic, you’ll get access to the allergy treatments you need. Our world-leading specialists are experts in helping adults get long lasting allergy relief. With an in-house testing centre, we can diagnose and treat you within days.


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Quick facts


Easy access

Call us today to book an appointment


Fast and reliable

Get seen and treated within 14 days


What is it for?

Treatment for all kinds of allergies from seasonal to year round

Treatment overview

As a centre of excellence, we offer advanced allergy treatments for adults.

Our expert team can help you with a wide range of allergies including:

  • Drug allergies
  • Food allergies
  • Insect allergies
  • Latex allergies
  • Mould allergies
  • Pet allergies
  • Pollen allergies
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Allergy specialists

Our allergy specialists are experts in dermatology, gastroenterology, ear, nose and throat (ENT) conditions and can treat allergy symptoms such as:

  • Eczema
  • Asthma
  • Hay fever
  • Swelling (angioedema)
  • Hives
  • Nasal congestion
  • Conjunctivitis
  • Diarrhoea
  • Abdominal pain
  • Tiredness
  • Severe allergic reactions (anaphylaxis)

At The London Clinic we offer a number of treatment approaches:

  • Allergen elimination (from diet and environment)
  • Medications (corticosteroids, antihistamines, adrenaline)
  • Immunotherapy (injections, tablets containing the allergen)

We also have our own pathology department, so we can do all your allergy tests and treatments at The London Clinic.

With our own laboratory, we meet the highest medical standards in a shorter wait time for tests, diagnosis and treatment.

By choosing The London Clinic you’ll get a more complete, compassionate kind of care from pre-admission, right through to aftercare and follow up.

Contact us today to start your treatment journey and get back to living the life you love.

Why choose The London Clinic

Excellence in one place

We operate as teams of experts with world-class resources dedicated to maintaining the highest standards of medical care. You are surrounded by the latest treatments and advice with everything you need to get back to your best health.

Personal care, every time

Exceptional patient care is a way of life for us. Our nurses, clinicians and support teams are dedicated to the care of a very small number of patients, so have more time for you. They’ll be with you every step of the way, tailoring your care around you and giving the peace-of-mind that comes with knowing you’re in the best hands.

Effortlessly simple

We work together as one to guide you through each step of your experience, with complexities unravelled and answers readily to hand. Your personal treatment plan will be laid out for you, with all the details taken care of so you can focus on you.

What's included in your package?

Choosing The London Clinic means your treatment plan will be laid out for you, with all the details taken care of so you can focus on you.


Your treatment package will include:

  • Enhanced pre-admission assessment
  • Your treatment with our complete care team at your fingertips
  • Personalised aftercare and follow-up

We want you to be in control of your health. That’s why we also offer optional services such as comprehensive recovery packages and extra touches for you to choose from during your stay with us.

How to pay

  • You can use private medical insurance (PMI) to access this treatment. We work with all major PMI providers in the UK and many internationally
  • You can pay for yourself (self-pay)
  • If you’re paying for yourself, we have finance options available with Chrysalis


At The London Clinic we offer fast access to world-class specialists and many of the latest treatments, so you can get back to the life you love.

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Book an appointment

Our dedicated appointments team will arrange for you to meet with one of our allergy specialists.

Diagnosis and treatment plan

Your allergy specialist will ask you about your medical history to understand more about your health and what you’re allergic to.

They may recommend an allergy test, such as a patch or prick test, at The London Clinic.

If your allergy specialist thinks your symptoms are due to other factors, such as coeliac disease, they may suggest a further test.

After talking about your lifestyle and health history, your allergy specialist will help you decide what the best treatment plan is for you.


The medicines you can take for your allergy will depend on what your symptoms are and the type of allergy you have. At The London Clinic, your allergy specialist may offer you:

  • Eye drops (sodium cromoglicate)
  • Nasal Sprays (corticosteroid)
  • Inhalers (salbutamol, terbutaline)
  • Tablets (antihistamine and corticosteroid)
  • Injections (Omalizumab (Xolair®), adrenaline (Epipen, Emerade or Jext))
  • Creams (antihistamine or corticosteroid)

For certain types of allergies, your allergy specialist may recommend immunotherapy such as:

  • Desensitisation sublingual immunotherapy (SLIT)
  • Immunotherapy by injection

Immunotherapy trains your immune system to get used to the allergen, such as pollen, so you don’t react so strongly.

Our allergy specialists can give you advice about what to eat and how to get rid of or avoid allergens around you.

Allergens like pollen and house dust mites can cause a stuffy, runny and itchy nose.

Your allergy specialist may offer you nasal allergy treatments including:

  • Nasal spray (nasal corticosteroid or decongestant), pills, liquids or melting tablets that contain antihistamine
  • Immunotherapy (where you’re given a tiny amount of the allergen under the tongue or in an injection)

Allergens like dust mites, chemicals found in soap, household cleaners, latex and perfume can cause eczema and contact dermatitis.

If you have skin allergies your allergy specialist may offer you:

  • Barrier creams and ointments (antihistamines or hydrocortisone)
  • Advice on how to get rid of allergens from your diet and environment

Your eyes can be sensitive to allergens like dust mites, mould, pet dander and pollen. These allergens can cause redness, itching, watering and a burning or a gritty feeling in both eyes. You might have other allergy symptoms such as a sinus headache or a cough.

Your allergy specialist may suggest you try:

  • Eye drops (sodium cromoglicate, or an antihistamine)
  • Immunotherapy (where you’re given a tiny amount of the allergen under the tongue or in an injection)

Indoor and outdoor allergens including pollen, grasses, weeds, dust mites, mould and animal dander can cause sinusitis, rhinitis and hay fever.

Your allergy specialist may offer you:

  • Nasal spray (corticosteroids, antihistamines, decongestants)
  • Tablets (antihistamine and corticosteroid)
  • Immunotherapy (where you’re given a tiny amount of the allergen under the tongue or in an injection)

At The London Clinic we offer treatment for allergic reactions that can lead to anaphylactic shock. If you are allergic to anything that can lead to anaphylaxis, an allergy specialist may prescribe adrenaline as an emergency treatment for you to carry at all times.

Immunotherapy is an allergy treatment where you are given a small amount of an allergen, by an allergy specialist, to train your immune system to tolerate it. After immunotherapy treatment, you will be less sensitive to the allergen so you are less likely to react to it.

We offer two kinds of immunotherapy treatment at The London Clinic:

  • Injections (shots)
  • Sublingual immunotherapy (SLIT) taken under the tongue

Your allergy specialist may offer you Immunotherapy injections and SLIT if you have:

  • A pollen allergy
  • A pet allergy
  • Dust mite allergy
  • A bee allergy
  • Any other biting insect allergy
  • Asthma
  • Nasal allergies (rhinitis)
  • Immunotherapy treatment is less effective if you have:
  • A food allergy
  • A medicine allergy, including penicillin
  • A feather allergy
  • Hives
  • Eczema

Recovery from an allergy depends on your age, fitness and the type of allergy you have.

Although it’s unlikely you can cure an allergy, we can reduce and control your symptoms using a number of medications, avoidance measures and therapies.

Allergies to foods like peanuts or the venom from an insect can be successfully managed with immunotherapy. It can take a while for your immune system to desensitise to the allergen so your body no longer reacts to it.

Some allergies, such as an allergy to latex are difficult to cure, so your allergy specialist will advise you about the best ways to prevent it, which may include wearing a medical bracelet and carrying an epinephrine (adrenaline) pen.

At The London Clinic we offer several types of allergy tests, which your allergy specialist may recommend.

Skin allergy testing works by introducing a potential allergen, such as milk or latex, onto your skin to see how the skin reacts.

Blood allergy testing involves taking a sample of your blood and sending it to a lab for analysis to see if you have specific antibodies in response to an allergen.

If you have a food allergy, testing to find out which food is causing the allergy can help you manage it better.

If you have an environmental allergy to pollen or a household chemical, having a patch test or an allergy blood test can identify it and help your allergy specialist find the right treatment for you.

Medications such as antihistamines can have some mild side effects which include:

  • Dry mouth
  • Nausea and vomiting
  • Drowsiness

Your allergy specialist will advise you which antihistamines are ideal for you.

Decongestant medications may raise your blood pressure and cause:

  • A faster heart rate
  • Increased blood pressure
  • Nervousness
  • Sleeplessness

Before taking decongestants, your allergy specialist will want to know if you have ever been diagnosed with:

  • A heart condition
  • Thyroid issues
  • Diabetes
  • Enlarged prostate
  • High blood pressure
  • Glaucoma
  • Corticosteroids can have side effects such as:
  • Nasal irritation
  • Nosebleeds
  • Sore throat
  • Long term side effects of corticosteroid use include:
  • Bone thinning or osteoporosis
  • Muscle weakness
  • Eye cataracts
  • Diabetes

At The London Clinic we offer one of the most comprehensive allergy testing and treatment services available, including:

  • Dust allergy treatment
  • Pollen allergy treatment
  • Penicillin allergy treatment
  • Skin allergy treatment
  • Rash allergy treatment
  • Food allergy treatment
  • Peanut allergy treatment
  • Eye allergy treatment
  • Cough allergy treatment

We also provide treatment for less common allergies such as meat and sesame seed allergies.

Allergy treatment at The London Clinic normally requires two to three appointments, which take place in our comfortable and discreet consulting rooms, located in the heart of central London.

All our tests are carried out in-house, in our pathology department. This ensures the highest medical standards are met and there’s a shorter wait time for tests, diagnosis and treatment.


Get in touch

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