TORONTO—A recent literature review revealed that intramuscular injections of botulinum toxin type A (BoNT-A) have little—if any—success in relieving nonspecific neck pain (NSNP), and furthermore, these injections put patients at some risk for side effects.
The study aimed to systematically assess the effects of BoNT-A in people with subacute or chronic neck pain with or without associated myofascial pain syndrome, degenerative changes, whiplash disorders and cervicogenic