time taken for symptoms to appear

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myself v
New Member

Date Joined Oct 2008
Total Posts : 2
   Posted 10/11/2008 2:20 PM (GMT -6)   
hi, i had a allergic reaction to prawns yesterday... my throat was itching , felt like its swelling, i vomited and then had loose motions. i took some medi for the allergic reactions.. like hydroxyzline..
Today my throat is still itching and tongue i have a different sensation.. i just wanted to know whether my symptoms can worsen over today...?
did anyone else had similar symptoms.

Veteran Member

Date Joined Jul 2006
Total Posts : 1257
   Posted 10/11/2008 5:07 PM (GMT -6)   

Sounds like you may have a seafood allergy.  You should probably see you dr. when you can and find out if you are really allergic to seafood because if you are you need to avoid it.  You can get a very bad reaction especially when your throat closes up.  So please be carful with this and see your dr as soon as possible. Take care.


myself v
New Member

Date Joined Oct 2008
Total Posts : 2
   Posted 10/12/2008 1:21 PM (GMT -6)   
ok. thanks.. Can u tell me how many hours does it take for the symptoms to show up??

Veteran Member

Date Joined Aug 2007
Total Posts : 4415
   Posted 10/16/2008 1:55 AM (GMT -6)   
An allergic reaction can have two parts - the early part (or "early phase") is the throat itching, etc. that you got within an hour or two of eating the prawns. Antihistamines generally help control this part of the reaction. The second part of the reaction (or "late phase") can have the same or different symptoms as the early reaction, but because it can occur up to 2 days later, you never know when it will hit...and sometimes it can re-occur more than once. Steroids or other anti-eosinophil medications are usually needed to control the late phase in those who have more severe symptoms. Recommend you see a doctor and discuss this with him/her, and also ask for a prescription for an EpiPen since your symptoms are suggestive of potential anaphylaxis (which can be very serious or even deadly). Good luck,
Chronic Lyme Disease, Gluten & Sulfite Sensitivity, Many Food/Inhalant/Medication Allergies & Intolerances, Asthma, Gut issues (dysmotility, non-specific inflammation), UCTD ("Secondary Lupus-Like Syndrome"), Osteoporosis, Anemia, Lymphopenia, intermittant Pancytopenia, chronic malabsorption/malnutrition, etc.; Currently TPN-dependent.
Meds:  Zofran, Pulmicort, Vitamin B12 Shots, Heparin (to flush PICC line).

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