A topical therapy is turmeric paste.
To make this Ayurvedic remedy:
use 1/2 cup of turmeric with 1 cup of water (add 1 to 1.5 teaspoons of ground black pepper, optional) then boil this mixture into a paste for at least 8 minutes (you may have to add more water).
Let cool before using.
Be aware that turmeric can stain clothes and plastic container, so be careful when applying to affected area.