Chronic Urticaria
 
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Chronic Urticaria

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Flopsy
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Topic starter
(@flopsy)
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Joined: 18 years ago

Hi Everyone.

Finally I've found out whats causing my horrible "nettle sting" itchy rash! Its called Chronic Urticaria. I'm also suffering from physical urticaria and The Consultant thinks it was caused by the medication I was given when having attacks with my Gall bladder and the nasty pains I still get randomly. Namely Pethidene, Difene, Zydol etc. Has this happened to anyone else? I'm now on an anti histemine daily for the next 6 months.

Does Anybody know anything about this? 🙁

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(@yassinm)
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Joined: 12 years ago

What type of urticaria do you have and do you have some doubts about the allergen that caused it and i will surely help you, i have a website about hives and i am quite knowledgeable about the topic

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(@pearth03)
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Joined: 12 years ago

Heat urticaria

Hi everyone, just thought I'd add to this as it seems a very helpful source of info for cu.
Ill make it as 'brief' as possible:
- had heat urticaria for four years as a possible 'off cut' from EBV/mono/glandular fever
- went to GP and was prescribed fexofenadine (type 1 antihistamine) with ranitidine (type 2 antihistamine)
- symtpoms improved but did not go away, still had large reactions (rash and lip swelling) after sport and brisk walking.
- offered steroids (prednislone) for when its at its worst, however never used them as I am aware of the side effects of long term steroid use.
- continued with fexofenadine as ranitidine didn't make much difference.
- recently put on loratadine (slightly older than fexofenadine but still a non-sedating antihistamine) and symptoms seem to have improved although still not resided.

Im a medical student and have used my access to do some literature reviews to find out study evidence for urticaria treatment, I have also spoken to around 10 GPs, a private consultant dermatologist, a consultant paediatrician and an immunologist (scientific not clinical).
These are my findings:
- apparently between 1-3% suffer with urticaria at any one time, so I'm struggling to understand why there isn't much on it...
- the evidence suggesting fexofenadine and ranitidine combined improves symptoms is inconclusive
- loratadine and fexofenadine have been shown to reduce symptoms to a similar degree, fexofenadine with greater success.
- EBV can cause urticarial rashes, it survives (dormant) in the B cells of your immune system and is activated when you are run down. Taking a dose of immunosupressent wipes enough of the B cells to weaken the virus and so should stop the rashes, however leaves you prone to other infections as you have a temporarily weakened immune system
- taking long term corticosteroids can give side effects such as osteoporosis, so for a young person apparently it is best to put these off until you really need them.

My own personal findings:
- I have tried eliminating certain food and drink from my diet for 6 weeks at a time, none have shown improvement: aspartame (fake sugar in "no added sugar" drinks), milk, oranges & apples and their juices, wheat, excessive sugar (i.e. no sweets, fizzy drinks, juices, limited citrus fruit etc.), strawberrys, fish and spicy food.
- I have excema so my IgE levels for allergy are higher than normal which can also give urticaria
- doing exercise in the morning to bring out the rash means that i won't get the rash again no matter how much sport I do/how hot I get for another 1-2 days, however I couldn't fit this into my week to make it worthwhile.
- I am currently trialing loratadine rather than fexofenadine for six weeks, then I will ask my gp for another non sedating antihistamine to see if the symptoms are any better (I have a reserve stash of fexofenadine and prednislone just in case it doesn't work).

This is the stage I have got to with it so hopefully that helps, apologies for the length and any questions or if you want me to look anything up in medical textbooks/online study evidence then reply on here and ill email you or however this forum thing works
Oh and I'm just a student, so i don't know the same amount about medicine as doctors do so if I'm wrong about something it's because I haven't learnt it yet and I'm not qualified and part of this is based on my opinions from chatting to my family who also aren't doctors (disclaimer).

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