 [ Symptoms ] is it unusual if diagnosed with strep throat and yeast infection to be sickvery tired 50 hrs after beginning penicillin female 17 in an in patient program 1224 got hertook to hopsital diagnosed with strep throat tx penicllin 1225 acquired yeast infection tx monostat 1226 returned to the program she was told to study fell asleep while reading was told that she is not following the rules is it unusual for someone who has strep throatyeast infection to be tiredfeel badly after 50 hrs of tx [ Disease ] no it is not unusual the effects of the illness will still exist because it takes a while a week or so for the bug to be annihilated by the penicillin and your immune system also penicillin increases your white blood cell count and so your own body is still fighting the bug the medication itself does not fight it your body is still going through the purging process of getting rid of the bug so you will still feel sick and tired for a while taking too much penicillin can cause ill effects as well so try not to do that just let it run it is course