Treatment safety and follow-up

Introduction

When properly supervised, desensitisation is a safe and effective treatment, provided that strict rules are followed for starting treatment, monitoring and regular medical follow-up.

Safety principles

Safety rests on several pillars:

• Treatment is indicated only after a confirmed allergy diagnosis
• The allergen chosen is clearly identified
• Validated protocols are followed
• Treatment is tailored to the individual patient
• Patients are given clear information on the rules to follow

👉 Desensitisation is never started without a full medical assessment.

Starting treatment

Treatment is started under safe conditions:

• First dose (sublingual) taken under medical supervision
• First injections given in a medical setting
• Routine monitoring after each dose
• Assessment of immediate tolerance
• Dose adjustment if necessary

👉 This phase makes it possible to prevent and promptly manage any reaction.

Possible side effects

Side effects are usually mild and short-lived:

• Itching in the mouth or on the tongue (sublingual route)
• A tingling sensation or local swelling
• Redness or pain at the injection site
• Temporary tiredness

Less commonly:

• A generalised allergic reaction
• Angio-oedema
• An anaphylactic reaction (exceptional)

👉 Any unusual reaction must be reported immediately.

Regular medical follow-up

Follow-up is essential throughout treatment:

• Regular check-up appointments
• Assessment of the effect on symptoms
• Dose adjustment if necessary
• Checking that treatment is taken as prescribed
• Monitoring for any side effects
• Yearly review of the indication

👉 Follow-up helps to maximise effectiveness and safety.

Rules for patients

To keep the treatment safe:

• Take exactly the doses prescribed
• Never change the regimen without medical advice
• Report any infection, fever or worsening of asthma
• Avoid strenuous exercise after each dose
• Keep any prescribed emergency medication with you
• Tell your doctor about any new medication

👉 A close partnership between patient and doctor is essential.

Your care

The allergy consultation is used to:

• Ensure treatment is started safely
• Organise structured follow-up
• Answer the patient’s questions
• Anticipate and prevent risks
• Adjust the treatment strategy if necessary

👉 Treatment is monitored at the practice or together with a specialist centre, depending on the indication.