Jaymin Upadhyay

1 Introduction Small fiber neuropathy (SFN) is a neuropathic disorder that affects the small nerve fibers in the peripheral nervous system (PNS). It can cause various symptoms, among which chronic pain is the most prevalent [1]. While most SFN cases are idiopathic, they can also have hereditary causes [2].

Drug of the MonthOnline now 1Department of Anesthesiology, Critical Care, and Pain Medicine, Boston Children’s Hospital, Harvard Medical School, 300 Longwood Ave, Boston, MA, USA 2Department of Neurology, Mental Health, and Neuroscience Research Institute, Maastricht University, Universiteitssingel 60, Maastricht, Limburg, The Netherlands 3Division of Metabolic Disorders, Children’s Hospital of Orange County, Rady Children’s Health, 1201 W.

In our Review published in January, 2022, 1 Upadhyay J Verrico CD Cay M et al. Neurocircuitry basis of the opioid use disorder-post-traumatic stress disorder comorbid state: conceptual analyses using a dimensional framework. we described the neurobiological complexities hypothesised to underpin the behavioural and clinical features of opioid use disorder (OUD) and post-traumatic stress disorder (PTSD) comorbidity.