Bell's palsy causes

Bell's palsy Microchapters
Home
Patient Information
Overview
Historical Perspective
Classification
Pathophysiology
Causes
Differentiating Bell's palsy from other Diseases
Epidemiology and Demographics
Risk Factors
Screening
Natural History, Complications and Prognosis
Diagnosis
Diagnostic Study of Choice
History and Symptoms
Physical Examination
Laboratory Findings
Electrocardiogram
X-ray
Echocardiography and Ultrasound
CT scan
MRI
Other Imaging Findings
Other Diagnostic Studies
Treatment
Medical Therapy
Surgery
Primary Prevention
Secondary Prevention
Cost-Effectiveness of Therapy
Future or Investigational Therapies
Case Studies
Case #1
Bell's palsy causes On the Web
Most recent articles
Most cited articles
Review articles
CME Programs
Powerpoint slides
Images
American Roentgen Ray Society Images of Bell's palsy causes All Images X-rays Echo & Ultrasound CT Images MRI
Ongoing Trials at Clinical Trials.gov
US National Guidelines Clearinghouse
NICE Guidance
FDA on Bell's palsy causes
CDC on Bell's palsy causes
Bell's palsy causes in the news
Blogs on Bell's palsy causes
Directions to Hospitals Treating Psoriasis
Risk calculators and risk factors for Bell's palsy causes

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Template:GCC

Causes

Common Causes

• Herpes simplex virus
• Idiopathic
• Inflammation of the facial nerve
• Varicella zoster virus

Causes by Organ System

Cardiovascular	Arteriosclerosis, Ischemic mononeuropathy
Chemical/Poisoning	No underlying causes
Dental	No underlying causes
Dermatologic	No underlying causes
Drug Side Effect	No underlying causes
Ear Nose Throat	No underlying causes
Endocrine	Diabetes mellitus, Thyroid disorders
Environmental	No underlying causes
Gastroenterologic	No underlying causes
Genetic	No underlying causes
Hematologic	No underlying causes
Iatrogenic	Inactivated intranasal influenza vaccine
Infectious Disease	Acute HIV infection, Adenovirus, Coxsackievirus, Cytomegalovirus, Ehrlichiosis, Epstein-Barr virus, Herpes simplex virus, Herpes zoster, Inactivated intranasal influenza vaccine, Influenza B, Mumps, Rickettsial infection, Rubella, Varicella-zoster virus
Musculoskeletal/Orthopedic	No underlying causes
Neurologic	Compression of the facial nerve, Facial nerve inflammation, Ischemic mononeuropathy, Tumors of the facial nerve
Nutritional/Metabolic	No underlying causes
Obstetric/Gynecologic	No underlying causes
Oncologic	Tumors of the facial nerve
Ophthalmologic	No underlying causes
Overdose/Toxicity	No underlying causes
Psychiatric	No underlying causes
Pulmonary	No underlying causes
Renal/Electrolyte	No underlying causes
Rheumatology/Immunology/Allergy	Inactivated intranasal influenza vaccine
Sexual	No underlying causes
Trauma	No underlying causes
Urologic	No underlying causes
Miscellaneous	Compression of the facial nerve, Facial nerve inflammation, Idiopathic

Causes in Alphabetical Order

• Acute HIV infection
• Adenovirus
• Arteriosclerosis
• Compression of the facial nerve
• Coxsackievirus
• Cytomegalovirus
• Diabetes mellitus

• Ehrlichiosis
• Epstein-Barr virus
• Facial nerve inflammation
• Herpes simplex virus
• Herpes zoster
• Idiopathic
• Inactivated intranasal influenza vaccine
• Influenza B

• Ischemic mononeuropathy
• Mumps
• Rickettsial infection
• Rubella
• Thyroid disorders
• Tumors of the facial nerve
• Varicella-zoster virus

Infectious Causes

• Herpes simplex virus reactivation is the most likely cause of Bell's Palsy.
• Herpes Zoster may be the second most common viral infection.
• Cytomegalovirus
• Epstein Barr virus
• Adenovirus
• Rubella virus
• Mumps
• Influenza B
• Coxsackievirus
• Rickettsial infection
• Ehrlichiosis
• Borrelia burgdorferi
• Acute HIV infection

Non-Infectious Causes

• Facial nerve inflammation
• Tumors and compression of the facial nerve
• Ischemic mononeuropathy
• Inactivated intranasal influenza vaccination was associated with several cases of Bell's palsy in Switzerland

Template:WH Template:WS