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# After your drug challenge Information for patients

Patient name: .....  
NHS or Hospital Number: .....  
Date: .....  
This leaflet explains what happens now that you have had your drug challenge in hospital.  
  
What medicines have I had today?  
Today (..... / ..... / .....), you had a drug challenge to ..... and received a total dose of .....  
What did today show?  
You did not show any signs or symptoms of an immediate type allergic reaction whilst on the unit today.  
What happens now?  
For today, please have someone with you if possible.  
You should not:

• carry out intense exercise

• have hot baths

• drink alcohol.

In order to capture any signs of a delayed allergic reaction, it is important to take the medication for a further _____ days at home.

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## What happens if I had an allergic reaction at home?

If any signs of an allergic reaction happen during the next three days at home, such as itching, redness, swelling or a rash you must contact us on the details below. In case of severe symptoms (difficulty

breathing, chest tightness, swelling of face, tongue or throat) that could be life threatening please treat with an antihistamine such as Chlorphenamine or Cetirizine and seek emergency medical help by calling 999 or attending local accident and emergency department or Walk - In Centre.

• If you are able, please take some photos of the rash that appear.

Do not take any more doses of the medication.

Once you are settled, please contact the allergy service to report the reaction.

• If you develop redness and peeling of the skin, particularly the mouth, around the eyes then you must stop the medication and seek medical help from your local Accident and Emergency (A&E) or Walk- In Centre.

## What happens if I had a more severe allergic reaction?

If you experience any signs or symptoms of a more severe allergic reaction such as coughing, wheezing, breathlessness, throat tightening or collapse (known as anaphylaxis) dial 999 for an ambulance immediately.

If you had ever been issued an adrenaline autoinjector (Epipen, Jext or Emerade) for this type of allergic reaction, follow your emergency plan.

Do not take any more of the medication that caused possible allergy.

## What happens when I complete the course of medication?

We will contact you following the course of medication at home to check that you have been well whilst taking the medicine. If this is the case, we will then write to your GP and yourself to say that you are not allergic to the antibiotic, and this can be prescribed if needed in the future.

## How can I contact the service?

In case of any queries, please email huh-tr.allergyservice@nhs.net or contact 020 8510 7729 or 07827 979 395 to leave a message and one of the team will be in touch with you at the earliest opportunity.

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## Further information

## Adult Allergy Services

Department Respiratory Medicine

Homerton Hospital

Homerton Row, E9 6SR

: 020 8510 7729 / 5237

: 020 8510 7731





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: 07827 979 395

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: huh-tr.allergyservice@nhs.net

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: www.homerton.nhs.uk/adult-allergy-immunotherapy-services

## Allergy UK

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: 01322 619 898

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www.allergyuk.org

## The Anaphylaxis Campaign

1 Alexandra Road Farnborough Hampshire. GU14 6BU

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: 01252 542 029,

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: www.anaphylaxis.org.uk

## The MedicAlert Foundation

MedicAlert House 327 Upper Fourth St Milton Keynes MK9 1EH

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: Freephone 01908 951 045

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: info@medicalalert.org.uk

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: www.medicalalert.org.uk

## NHS 111

Offers medical help and advice from fully trained advisers supported by experienced nurses and paramedics. Available over the phone 24 hours a day.

: 111



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: www.111.nhs.uk

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## NHS website

Provides online information and guidance on all aspects of health and healthcare, to help you make choices about your health.

☐: www.nhs.uk

Medical alert bracelets and other items can be obtained from any of the websites below





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: Medi-Tag: www.medi-tag.co.uk/contact.php

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: The ID Band Company: www.theidbandco.com/Contact.aspx

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: ICE ID UK: www.iceid.co.uk/contact-us/

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: Yellow Cross: www.yellowcross.co.uk/pages/contact-us

Patient Advice and Liaison Service (PALS)

Patient Advice and Liaison Service (PALS)

PALS can provide information and support to patients and carers and will listen to your concerns, suggestions or queries. The service is available between 9am and 4pm.

(Telephone) 020 8510 7315

(Textphone) 07584 445 400

@ (Email) huh-tr.pals.service@nhs.net

If you want this information in large print, easy read, plain text, audio or braille please contact Patient Information on 020 8510 5302 or email: huh-tr.patientinformation@nhs.net This information may also be available in other languages.





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Produced by: Respiratory, IMRS

Homerton University Hospital NHS Foundation Trust

Homerton Row, London E9 6SR

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PIPS: 1607

Review date: May 2026 V1

Next review: June 2028