I'd love to hear from negative consequences directly attributable to homeopathy and not caused by the state of mind of those seeking it exclusively.
So let's take South Africa. This country is often so successful in so many dimensions compared to other African countries that they are commonly excluded from statistics related to its continent...
https://en.m.wikipedia.org/wiki/Manto_Tshabalala-Msimang
This is the Health minister recommending AIDS patient to stop retroviral drugs and take her magical garlic instead (!)
300000 victims.
It is not only in the government... I lived there few years, loved it but I really can't say that common sense is their forte.