Intramuscular injections of Botox, or botulinum toxin, may play a limited role in the treatment of wrist and voice tremors in patients with essential tremor.
From your link. It seems botox may reduce voice temors. Wonder if it would also help coughing for a limited time?
85 posted on 10/11/2016 8:43:24 AM PDT by bgill
(From the CDC site, "We don't know how people are infected with Ebola")