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Cold Urticaria

There are two forms of this type of urticaria hereditary and idiopathically acquired primary.  The first is fairly rare ad it is more common to acquire it but often the origin remains unclear.  Sometimes it is a secondary to some diseases (e.g. lymphocytic leukaemia, lymphosarcoma, hepatitis, infectious mononucleosis).

The wheals that appear are in response to being exposed to a cold condition, e.g.  water, air or a cold object.  For some reason unknown this activates the mast cells and subsequent release of inflammatory mediators.

The most common cause is swimming in cold water and the reaction can be quite severe.  We are able to help treat this condition.  It initiates within 2 -5 minutes of change of temperature and can last several hours.

The hereditary form takes longer to show up after exposure, anything from eight to forty eight hours and can last up to two days.

The wheals can deepen with more severe swelling denoting angioedema is occurring and become itchy in localised spots or the body in general.

When urticaria and angioedema evolve systemic symptoms can become apparent.  These symptoms can include degrees of dyspnoea (breathing difficulties), wheezing and coughing, abdominal pain like cramping and tachycardia(When the heart rate increases to greater than 100 beats per minute) usually indicative of some sort of shock as it increases the blood supply to the periphery of the body.

Quite often at this stage hypotension (drop in blood pressure) also occurs.  This requires immediate medical intervention as it can become life threatening.  If this happens in the water while the person swimming, a severe reaction could cause drowning.  If a person knows that they have the condition they should take all precautions not to swim alone or to inform others that they are with of the potential response to their condition.

The acquired form usually affects young adults in the 18 - 25 years range and can last five or six years.

Quite often the acquired form is associated with dermographism and cholinergic urticaria.

Contact us for alternative treatment advice

E-mail. info@urticare.com

ABOUT US


Onlinechemist.co.nz is a New Zealand wide online retail pharmacy supplying OTC (over-the-counter) Pharmacy-Only and General Sales Medicines, as well as other health-related products.  We also offer prescription medicines in accordance with a legal New Zealand prescription.  We are a registered pharmacy conveniently located in Waitakere City, Auckland and have been operating to the public as a licensed pharmacy since 1987.  
 
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In accordance with legal obligations, all medicines sold are under the supervision of a New Zealand Registered pharmacist, as well as this we have other relevant qualified staff working for us to deliver our promise of top service to you. We are located at:
 
Shop 1A/ 4343 Great North Road,
Glendene, 0602
Auckland
 
 
If you have any queries, dont hesitate to contact us:
 
By email:  enquiries@onlinechemist.co.nz

 
By mail:          PO Box 69 189,
                       Glendene, 0645
                       Auckland
 
By phone:   09 222 3144
 
By fax:        09 838 3144 
 

 

Glendene Community Pharmacy Ltd
GST 123-002-296


 
 

CONTACT US

Ph 09 222 3144
Fax 09 838 3144

enquiries@onlinechemist.co.nz

SHOP 1A/ 4343 Great North Road,
GLENDENE  AUCKLAND 0602
OR,
PO BOX 69-189
GLENDENE AUCKLAND 0645