HI, Your unfortunate sister could try, in addition to the Aloe Vera Gel suggested, a good quality (colloidal) Silver Hydrosol, which will help to restore her immune system.  The best silver hydrosol is Sovereign Silver to be found at www.savant-health.com (Tel: 08450 606070).  Have a look at the website of the producers: ...

Dear Rosemary,  If the Manuka honey has arrived it should help sort out your leg ulcer as it does have good properties, even though a little sticky! A less sticky route is colloidal silver (as suggested by Anthony and Elizabeth) and you can apply the liquid topically and also take 3 x 5 ml doses per day orally.  This will help boost ...

Colloidal Silver has been suggested and I endorse that.  Take a top quality (Colloidal) Silver Hydrosol from Savant Health both orally, as prescribed, and also topically to the leg wound (change the dressing twice a day). 

As you appear to have a Candida infection why not try (Colloidal) Silver Hydrosol (only the very best quality from Savant Health) to be taken orally and also topically on the toe (cotton wool or tissue paper soaked with silver hydrosol, held in place with a plaster).  Good luck!