an 8-year-old girl with a history of asthma and allergy to bee stings. She has been brought to the clinic complaining of a throat infection. She has been treated previously with a penicillin antibiotic and developed a slight rash the last time, but no other side effects. Her health care provider prescribed a course of penicillin to manage her current infection and cautions her parents to watch her closely for a reaction. Why might she react adversely to the antibiotic this time when she did not previously?
First thing first ...if a person does not develop allergy to first dose .he may develop allergy to next doses ...now if the last time reaction was rash ...now there may or may not be symptoms...but symptoms will be rash ...hives ...fever ...shivering ...jointvpains ...redness of eyes ...breathing problem or pain abdomen ...in major reaction child may go pale or collapse may become unconscious...so please be alert ...I advise my patients to wait for one or two hours at doctor clinic itself after getting any Chat Doctor. ...if you're not at clinic and some above given thing happens then it is emergency ...best of luck