Hot flashes with menopause, what will help?

Various: Estrogen replacement can postpone the symptoms. Often, they lessen with time. Certain medications (ssri's, clonidine) can often be effective. Check w/your doctor.

Botanicals can help: Botanical medicine can be helpful for menopausal hot flashes. A couple possibilities include black cohosh (cimicifuga racemosa): http://www.Ncbi.Nlm.Nih.Gov/pubmed/22157510 and sage (salvia officinalis): http://www.Ncbi.Nlm.Nih.Gov/pubmed/21630133 classical homeopathy with an experienced homeopath is also useful. Traditional chinese medicine & acupuncture as well.