As a general rule of thumb, use ice for acute injuries or pain, along with inflammation and swelling. Use heat for muscle pain or stiffness.
Connie’s remedy for cold feet for Parkinsons’
Massage with almond oil with added drops of essential oils of ginger, eucalyptus, rosemary , oregano and lemon grass.
Create a dry warm compress by filling in socks with rice or beans, microwave for 3 minutes or more and placed under her feet (lying down).
Boil ginger, fresh or crystals, add honey and serve as her warm drink in the morning or all day.
See anti-parasite diet in this web site. http://www.clubalthea.com