2 doctors weighed in:
How quickly do antibiotics start to work in your body ?
2 doctors weighed in

Dr. James Ferguson
Pediatrics
1 doctor agrees
In brief: Depends
The speed of antibiotics varies with the route of administration (intravenous or injected are faster than oral), the type of antibiotic (penicillin works faster than erythromycin) and the rate the germ reproduces.
Strep grows fast so meds that interfere with reproduction kill quickly. Tuberculosis grows slowly so meds seem to take forever to kill it.

In brief: Depends
The speed of antibiotics varies with the route of administration (intravenous or injected are faster than oral), the type of antibiotic (penicillin works faster than erythromycin) and the rate the germ reproduces.
Strep grows fast so meds that interfere with reproduction kill quickly. Tuberculosis grows slowly so meds seem to take forever to kill it.
Dr. James Ferguson
Dr. James Ferguson
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