December is too far away...your friend can look into some herbal treatments - and start taking some of the herbs on her own.
The herbal protocol I did when I was waiting to see a LL Dr. is Buhner's.
Your friend could start at very low doses...this will help lessen the severity of a herx reaction.
link to buhner's website:buhnerhealinglyme.com/
Moderator, Lyme Forum
Symptoms started April/13; Buhner's protocol May 15/14 to July24/14
Igenex pos. July 3/14 Doxy: July 4-Aug.24/14;Zithro July26-Aug24/14
Amox 1000mg x3 + Probencid Aug. 29/14; added biaxin 500X2 Sept. 26/14
Disc. amox and added Ceftin Nov. 20th. Jan/15 pulsing Tindamax ; disc biaxin
Buhners bart herbs added Dec/14; ABX/Buhner herb break Apr/2015