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Muscle Weakness Causes
Aka: Muscle Weakness Causes, Generalized Muscle Weakness Causes, Myopathy Causes, Polymyositis Differential Diagnosis, Dermatomyositis Differential Diagnosis- See Also
- Polymyositis
- Dermatomyositis
- Muscle Weakness
- Muscle Weakness in Children
- Acute Motor Weakness Causes (Emergent Bilateral Motor Weakness)
- Acute Flaccid Paralysis
- Medication Causes of Myositis
- Unilateral Weakness
- Neuropathy
- Peripheral Neuropathy
- Symmetric Peripheral Neuropathy
- Asymmetric Peripheral Neuropathy
- Fatigue Causes
- Dyspnea Causes
- Arthralgia Causes
- Differential Diagnosis: Cutaneous (Dermatomyositis)
- Dermatomyositis
- HIV Infection (once Immunodeficiency occurs)
- Lichen Planus
- Polymorphous light eruption
- Seborrheic Dermatitis
- Systemic Lupus Erythematosus
- Psoriasis
- Contact Dermatitis
- Atopic Dermatitis
- Trichinosis
- Alcohol
- Differential Diagnosis: Muscular Disorders
- Myotonia (muscle stiffness)
- Spinal Muscular Atrophy
- Critical Illness Myopathy
- Myositis
- Polymyositis
- Inclusion body Myositis
- Necrotizing Myositis
- Muscular Dystrophy
- Becker Muscular Dystrophy
- Limb-Girdle Muscular Dystrophy
- Myotonic Dystrophy
- Differential Diagnosis: Nerve Disorders
- Combined Upper Motor Neuron and Lower Motor Neuron
- Upper Motor Neuron disorders
- Lower Motor Neuron disorders
- Myasthenia Gravis
- Lambert-Eaton Syndrome
- Guillain-Barre (other autoimmune polyneuropathies)
- Neuropathy
- Differential Diagnosis: Endocrine and Metabolic Disorders
- Electrolyte
- Thyroid and Paraythyroid Disorders
- Adrenal Disorder
- Disorders of Energy Metabolism (e.g. Glycogen Storage Disease)
- McArdle's disease (Glycogen Phosphorylase Deficiency)
- Adult acid maltase deficiency
- Carnitine-palmitoyltransferase deficiency
- Differential Diagnosis: Toxic Myopathy or Neuropathy
- See Medication Causes of Myositis
- Steroid Myopathy
- Acute Rhabdomyolysis
- Amyloidosis
- Porphyria
- Organophosphate Poisoning
- Botulism
- Substances of Abuse
- Alcoholic Myopathy or Neuropathy
- Volatile Inhalant Abuse (Toluene in glues)
- Cocaine
- Heavy Metal Poisoning
- Arsenic Poisoning
- Lead Poisoning
- Mercury Poisoning
- Thallium Poisoning (contained in rat poisons)
- Venoms
- Differential Diagnosis: Infections
- Differential Diagnosis: Rheumatologic
- References