The present application relates to highly concentrated antibody and protein formulations with reduced viscosity that are stable, relatively isotonic and are of low turbidity. The formulations are particularly suitable for subcutaneous administration. The application further describes articles of manufacture containing such formulations and methods for using them to treat disorders treatable by the formulated antibody or protein. The formulations comprise arginine-HCl, histidine and polysorbate.Dana prijava se odnosi na formulacije s visokom koncentracijom antitijela i proteina s reduciranim viskozitetom koje su stabilne, relativno izotonične i male zamućenosti. Formulacije su osobito pogodne za subkutano davanje. Prijava nadalje opisuje način/čin proizvodnje koji sadrži takve formulacije i postupke za njihovu upotrebu u tretmanu poremećaja koji se mogu tretirati s formuliranim antitijelom ili proteinom. Formulacija sadrži arginin-HCl, histidin i polisorbat.