A single injection of cosmetic botulinum toxin into the facial muscles related to emotional expression can alleviate symptoms of depression, researchers from Hannover Medical School in Germany reported at the American Psychiatric Association 2014 Annual Meeting. Patients with chronic and treatment-resistant depression who received a botulinum toxin injection in glabellar frown lines experienced higher reductions in depression indicators than patients who received saline injections.
Injections of botulinum toxin eased involuntary muscle contractions in 27 patients with blepharospasm over a four-week trial, researchers reported at the International Conference of Parkinson's Disease and Movement Disorders.
CDC guidelines for safe injection practices include never giving medications from the same syringe or single-dose vial to multiple patients and never inserting a used needle or syringe into a vial. Preventable infections due to unsafe injection practices have increased substantially in recent years, the authors write in Morbidity and Mortality Weekly Report.
An FDA advisory panel recommended approval of Allergan's injectable Juvederm Voluma XC filler to treat age-related loss of midface volume. The product combines high- and low-molecular-weight hyaluronic acid and lidocaine and has a thick consistency intended for subcutaneous and supraperiosteal injection.