Low Dose Naltrexone (LDN) refers to daily dosages of naltrexone that are approximately 10% or less of the typical opioid addiction treatment dosage, commonly up to 5mg. What is Low Dose Naltrexone and How Does It Work? Naltrexone works by blocking the receptors that heroin and opiate drugs binds to. Just like your body’s natural endorphins, this produces a “feel-good” and pain-blocking effect. 1 Low-dose Naltrexone (LDN) Fiche technique Naltrexone est une molécule connue comme antagoniste opiacé. Son utilisation habituelle traite The low dose naltrexone refers to taking this drug in a far smaller microdose than initially recommended for health purposes. Also Known As. LDN À côté de cet usage de la molécule, existe un autre usage dit « LDN » pour Low Dose Naltrexone = Faibles doses de Naltrexone, qui a été promu par le D r Bihari dans les années 1980 [8]. Les doses de naltrexone prescrites sont alors de l'ordre de 1,5 mg/j à 4,5 mg/j (contre 50 mg/j dans l'usage princeps). Low-dose Naltrexone (LDN) has been used in the treatment of autoimmune diseases in the USA since 1985, but is relatively new in the United Kingdom and Europe. LDN and Autoimmune Disease. In Brief Recent Developments Noteworthy Cases Background LDN & MS LDN Homepage. In Brief. There is growing recognition in the scientific community that autoimmune diseases result from immunodeficiency, which disturbs the ability of the immune system to distinguish self from non-self. Welcome to the Low Dose Naltrexone (LDN) Home Page. Updated: Feb 23, 2019. The authors of this website do not profit from the sale of low-dose naltrexone or from website traffic, and are in no way associated with any pharmaceutical manufacturer or pharmacy. Low-dose naltrexone (LDN) describes the off-label use of the medication naltrexone at low doses for diseases such as Crohn's disease and multiple sclerosis, but evidence for recommending such use is lacking. Low-dose naltrexone (LDN) has been demonstrated to reduce symptom severity in conditions such as fibromyalgia, Crohn’s disease, multiple sclerosis, and complex regional pain syndrome.