Could benzyl alcohol cause a delayed allergic reaction that could cause respiratory issues? Is it ever used as a preservative in allergenic extracts used in scratch and intracutaneous testing? ... View answer

ago. Could this be a delayed allergic reaction? I have no history of reactions to stings. ... View answer

couple hours after taking the 10th dose. Could the tingling/numbness be a delayed allergic reaction to ... reaction and then react? ... View answer

... midway. I am immaculate, do not have bed bugs, and am wondering if this may be a delayed allergic reaction to the drug I am taking. What is your take? And what would you suggest I do besides... View answer

she said its viral or delayed allergic reaction to food? Plus my stomach was a mess that day!! So no ... View answer

swelling as well.. On Wednesday I returned to the ER in North Bay, Ontario and they said it was a delayed allergic reaction I was having due to black flies. The medication I received from them did... View answer

I have a delayed allergic reaction to penicillin drugs. ... View answer

My daughter has been on amoxicillin for 9 days and woke up today with hives on her feet and they are now on her arms and legs. Could this be a delayed allergic reaction to her amoxicillin? Also, this ... View answer

I think I m having a delayed allergic reaction to Macrobid. I finished a 7-day dose of Macrobid last week, now I have intense all-over body itching, especially on palms and soles of feet. I am taking ... View answer

changed eating habits, but recently finished antibiotics for bladder infection. Could this be a delayed allergic reaction? ... View answer