Sativex has been approved in the U.K for treatment of MS, and has shown promise in human subjects for treatment of cancer pain and neuropathic pain. GW is also developing a pure CBD extract known as Epidiolex, which is undergoing FDA âorphan drugâ studies for treatment of pediatric epilepsy.
Fever Blisters (aka Cold Sores) 1  develop on the outside of the mouth, usually along the edge of the lips. 2  are contagious until they scab over and heal completely. 3  appear as red, swollen blisters until they break, ooze and form a crust.  generally heal within 10 1  days. caused by herpes simplex virus- 1.
Caused by herpes simplex virus 1 (HSV-1), fever blisters are red, swollen sores that become filled with fluid, then open and form a crust as healing begins. Up to two days before the physical appearance of a fever blister, tingling, burning or itching may be felt on the inside or outside of the mouth or nose.