My doctor recommended Rogaine for acute Telogen Effluvium (post-op Forehead Reduction/Surgical Hairline Advancement) advice?

Is it worth it to take rogaine for an acute telogen effluvium (starting 2 weeks after a forehead reduction? I've heard once you start rogaine, you cant stop - does this also apply to acute/temporary hairloss? Lets say I take rogaine for the next 4-6 months til the shock hairloss phase should be over with, is it possible to bypass this hairloss entirely with Rogaine? Or will my hair just fall out 6 months down the road? Should I just be patient, skip the rogaine and wait this out?