Autos do not like nutes in their early stages... period! This sounds to me like classic overfeeding although having a diary/photos would help diagnose. I would recommend you flush the ladies and then add nutes gently. I always start my ladies off with 1/4 dose of nutes about week 2-3, bring them up to 1/2 dose week 3-4 and then give them full dose week 4-5... Even doing this, I had to flush my ladies after giving them 1/4 dose because they all reacted VERY badly... they're all in week 3 going into week 4, happy as clams and not a nute in sight yet...
Flush! 😊