Nitrofurantoin and sulfa allergy

Common Questions and Answers about Nitrofurantoin and sulfa allergy


Itching came back a couple days later and keeps occurring on <span style = 'background-color: #dae8f4'>and</span> off every couple days. She event went through <span style = 'background-color: #dae8f4'>allergy</span> testing <span style = 'background-color: #dae8f4'>and</span> a full blood panel to look at thyroid etc. Now six months later family Dr says it is probably from that course of cephalexin she took 6 mos ago! He says it could last up to two years!!! How can this be possible. I can't believe any trace of that drug or its side effects could possibly stay with your body for two years!???? HELP!!!
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