Bakers Cysts

Happy holidays to all.
My problem right now is how to find a non-invasive treatment for the Bakers Cyst behind my knee.  I did read there are herbs in dry poultices that draw out the toxins and excess fluid in the cysts.  No injections, no more pain or swelling.  
Does anyone out there know what herbs to use in the poultices?
If so, Please advise asap.  Oh, sure I could buy the ready-made poultices from the site I had found.  But if I have the herbs on hand, why wait for mail-ordered help? 
Thanks so much.
Bertha