ALLERGY TESTING: Doctor explains the Skin Patch Test
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- Опубликовано: 31 май 2024
- In this video Doctor O'Donovan explains key things you need to know about a skin patch test - a test used to check for allergies.
What are patch tests?
Patch testing is undertaken for the investigation and confirmation of substances that produce allergic contact dermatitis. It involves applying appropriately diluted allergens to the skin, usually on the back for convenience, for 48 hours. The patch tests are then read at 96 hours as reactions usually take 48-96 hours to develop. Positive reactions produce a patch of dermatitis at the application site of the offending allergen, which will appear as a red and possibly raised, vesicular and even blistering area.
How many appointments will I have for a patch test?
You will typically have three appointments (but this can vary from clinic to clinic).
Can you go to work after a patch test?
Generally yes, but you should avoid excessive bending and twisting, as the patches may come off. It is also a good idea to avoid strenuous exercise. Be extra careful for the first two to three hours after your patches are applied. This is when the patches are more likely to come off.
ALWAYS SPEAK TO YOUR OWN DOCTOR if any of these issues affect you. This video is intended as an EDUCATIONAL resource only and should never replace clinical advice from your own provider.
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Content and timestamps:
00:00 - Introduction
00:25 - What is a patch test?
01:00 - What is tested during patch testing?
03:08 - What happens during patch testing?
04:20 - What do patch test results mean?
06:55 - Potential side effects from patch testing
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References and resources
NHS allergies information: www.nhs.uk/conditions/allergies/
Cambridge University Hospitals NHS trust: www.cuh.nhs.uk/patient-inform...
British Association of Dermatologists Skin Patch Testing information: www.bad.org.uk/pils/patch-tes...
DermNet: dermnetnz.org/topics/patch-tests
Cleveland Clinic (USA): my.clevelandclinic.org/health...
#doctor #health #skinhealth #allergy #allergies #patchtest #allergens #dermatology #dermatologist
Video published: 8th May 2024. Next review: 2027.
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Disclaimer:
The video is intended as an educational resource only. The information within this video or on this channel isn't designed to replace professional input, so if you have any medical issues please consult a medical provider. No professional relationship is being created by watching this video. Dr. O'Donovan cannot give any individual medical advice. All information should be verified for accuracy by the individual user. Dr O'Donovan accepts no responsibility for individual interpretation of data, although it is always accurate to the best of his knowledge at the time of the video being published. This is an EDUCATIONAL video. Images are used in accordance with fair use guidelines.
Legal information:
Content provided via RUclips is for general information purposes ONLY. Information videos are not produced to provide individualised medical advice. Medical education videos on Doctor O'Donovan are not a substitute for professional professional medical advice, diagnosis or treatment. NEVER ignore professional medical advice because of something you have heard here. ALWAYS consult your doctor regarding any concerns about your condition or treatment.
Brilliant information on the Skin Patch Test, very useful and helpful with nice and clear presentation! Many thanks for sharing it with us, Dr. O'Donovan! 🙌❤👍
You’re very welcome and thanks again for watching
Doctor O Donovan A very helpful video and you gave good advice
Glad you think so!
Great topic
There was a segment on the news today about allergies.
Thanks for watching
Very helpful; thank you.
Glad it was helpful!
Dr. O'Donovan,
As a child I have never been alergic to any substance, food or materials I have come in contact or eaten, not until when I have been Diagnosed with a kidney infection "pyelonephritis" which i belief i've gotten infected through water waste canal with an open wound on my ankle at those times. Then I began to experience allergic reaction eating eggs & sea foods.
Rashes would appear in my skin with a burning sensation but looks like eczema or ringworms, but usually just disappear in a week when i will stop eating the foods that causes the reaction to occur.
Question:
Is pyelonephritis curable kidney infection?
Or will just come back when the immune system of body is weakened?
Tnx...