24-48 hours: Usually a couple of days. If you do not feel beter after 5 days, the block failed.
Answered 6/21/2019
5.7k views
A doctor has provided 1 answer
8 doctors weighed in across 2 answers
3 doctors weighed in across 2 answers
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question