Posibleng Mga Sanhi para sa Panghihina ng Kalamnan Malalang Renal Failure Kakulangan ng Bitamina D Hyponatremia Kakulangan ng Bitaminang B12 Hyperkalemia Chronic Kidney Insufficiency Hypothyroidism Chronic na Fatigue Syndrome Polymyalgia Rheumatica Hyperthyroidism Chronic na Tonsillitis Cushing Syndrome Rheumatoid Arthritis Muscular Dystrophy Duchenne Muscular Dystrophy Graves Disease Leptomeningeal Metastasis Pagkalason sa Daphne Hemophilia Disorder sa Kalamanan ng Mata Growth Hormone Deficiency Malignant Neoplasm sa Lapay Chronic na Inflammatory Demyelinating Polyneuropathy Multifocal Motor Neuropathy Porphyria Hypokalemia Mucopolysaccharidosis Leigh's Disease Primary Hyperparathyroidism Guillain-Barré Syndrome