 [ Symptoms ] can you be reinfected with strep while in the middle of treatment  i had strep throat two weeks ago the practitioner gave me penicillin for it the strep cleared up but two days after completing my course of antibiotics i had a recurrence i am now half way through my second course of antibiotics this time amoxacillin and i noticed a slight tingle in my throat this morning a scratchy throat very well could be an affect of my seasonal allergies it is not uncommon for me to become congested with a scratchy throat this time of year [ Disease ] you should not be able to get strep while on amoxicillin since this drug is used for strep you can however get a viral sore throat or even mono while taking antibiotics