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)

Once drawn and processed through a centrifuge, the PRP is injected precisely into the MCL using ultrasound guidance
Muscle Recovery and Performance Applications Collagen peptides support muscle recovery through their high glycine and proline content, amino acids critical for connective tissue repair
Despite its importance, B12 deficiency is remarkably common particularly among vegetarians, older adults, individuals with digestive conditions, and anyone whose body has difficulty absorbing this vitamin from food or oral supplements