About 2 days, but...: The drug will be gone from your blood and tissues within 2 days of the last dose, but if the cephalexin had an effect on your GI tract (e.g., diarrhea), it make take quite a bit longer for those symptoms to resolve.
Answered 3/26/2018
357 views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
2 doctors weighed in across 2 answers
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question