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.
These blisters form due to herpes simplex virus (type 1). Initial indications are vomiting, nausea, dry and sore throat. Since these symptoms do appear in many diseases, hence it is difficult to predict the onset of herpes. On many occasions the disease lies dormant for a long time before the fever blisters appear.