How reliable are home allergy tests?

dmuldawer asked:


Hi. I’ve beendiagnosed withmultiple allergies andhaveundergone treatment (shots andmeds) foryears. Mylast skin test wasinmid-November anditshowedmehaving allergies tocats,ragweed,andjuniper trees,amongotherthings.

Thebiggie formeiscats sinceallmyfriends,parents,andsiblings havethem. Kind ofhard tocatsit whenyournose isimitating a volcano!

Anyway,totrack theprogress ofmyallergy shots,I ordered a home test called “MyAllergy Test.”Theblood sample wastaken bya professional,sothatshouldn’t havebeenanissue andthesample wasprocessed ina timely manner. Yetalltests,including theones forcats,ragweed,andjuniper came back negative.

WhatI waswondering is:

A) Howreliable thesetests are
B) Ifsunlight andheat could’ve damagedthesample whileinthemail
C) Ifit’s possible forallergic levels todrop fromhigh tozero insix months.

I’m still sneezing around thekitties,sowhat’s yourtake?

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