In the knockout mice, there was no significant decrease in body weight or lipolysis, thus indicating the importance of the beta-adrenergic pathways in weight loss
Pale or Yellow Skin Pale skin may indicate a vitamin B12 deficiency and occurs due to a lack of healthy red blood cells
Common injection sites include the upper arm, thigh, or buttocks
may cause iron-deficiency anemia Nausea and vomiting particularly with stricturing disease/obstruction Urgency and tenesmus with rectal/colonic involvement Weight loss and malnutrition due to malabsorption, food avoidance, elevated metabolic demand Fever with active inflammation, abscess, or fistula Perianal disease fissures, fistulae, skin tags, abscesses Extraintestinal Manifestations Arthropathy peripheral or axial (enteropathic arthritis, M07.6x) Dermatologic: Erythema nodosum (L52), pyoderma gangrenosum, psoriasis (L40.5) Ocular: Uveitis/iritis (H20.01), episcleritis, scleritis Hepatobiliary: Primary sclerosing cholangitis (K73.2), fatty liver, cholelithiasis Metabolic: Osteopenia/osteoporosis (from steroid use and malabsorption), nephrolithiasis Hematologic: Anemia (iron deficiency, B12/folate deficiency, anemia of chronic disease) When a patient with Crohns disease is admitted with significant weight loss, malnutrition, or protein-calorie deficiency , query the provider to specify the degree of malnutrition (mild, moderate, severe protein-calorie malnutrition)
