I'm on ivermectin seems like it's not working

this is my first time that i get scabies , i don’t even know where I’ve got them from , ? i went to The E.R they prescribed me ivermectin ,. well, this is My fourth day and I feel like symptoms are getting worse ,! they say it’s normal that it’s gonna get worse before it gets better , i really hope this works because this freaking things are driving me freaking Krazy I can’t even sleep at night this little shits ■■■■ with your body and your mind , if this thing doesn’t work i don’t know what else to do , . please somebody help me ,. they say not to scratch ! how can you not ! this ■■■■ it’s irresistible . please ,heelp. i would be forever greafull if anybody give me the solution , i would kiss your feet if anybody would tell me what to do !!!