If exposed, or at first sign of symptoms take the first dose, do not wait for test results. Make sure to take the second dose on day three. My wife and I have taken this three times over the last couple of months, with no issue, other than the grapefruit warning.
She is a P.A., worked in everything from AIDS clinics to psych wards and done years of death investigation. She has seen it all. She is a “ health nut”, cancer survivor, and fastidious about medical protocol.
She isn't about to turn her health over to the death-cult advice of the CDC which controls your doctor.
That is our opinion and experience, not “medical advice”. You get to decide for yourself. The CDC is not your friend.
I should’ve mentioned that I did purchase ivermectin from Tractor Supply a few days before Christmas, so yes, it’s on hand already.