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.
How to prevent fever blisters? Some common methods to prevent fever blisters are: Use zinc lozenges as these are good for boosting up the immune system and preventing fever blisters. Stress also causes fever blisters, so donât take stress. Avoid touching the blister as it may spread the bacteria to other parts of the body, like eyes or chin.