Multiple sclerosis and facial injections. So I am asking you—should I get rid of my wrinkles? That, coupled with my MS, is making me wonder if now is the time to embrace cosmetic procedures. Oral medications are often effective, but may cause side effects such as drowsiness. Not a chance! I was already struggling with the prospect of wearing diapers. Normally, the brain sends messages to the muscles so they can contract and move. And getting older with multiple sclerosis is no walk in the park either. Botulinum toxin A BTX-A has been used successfully to treat a variety of focal dystonias and occasionally in orbicularis myokymia, but its use has not been reported in continuous hemifacial myokymia.