Hi Sarah, I've been taking low dose (400mg, 21 days on, 7 off) since August. The biggest side effect for me has been a decreased appetite and some gastro issues similar to the AI answer, but manageable. My doctor still does regular bloodwork and so far, so good. I noticed some hair thinning at first, but it might have been a result of my hysterectomy and menopause, since everything happened around the same time. I've been using Keranique spray with positive results. I was concerned about being immunocompromised for the 3 year course of Kisqali but luckily it hasn't been an issue yet. Actually, I was one of the few amongst my coworkers that didn't get sick during flu season - go figure:)
Good luck with your new meds!
Common short-term side effects of CDK inhibitors like Kisqali (ribociclib) include diarrhea, nausea, fatigue, decreased appetite, and skin-related symptoms. Some people may experience hair thinning or loss, though this affects a minority of patients and could also be related to other factors like nutritional changes during Show Full Answer