honeypot link
skip to main content
Professional
Consumer
MERCK MANUAL
Consumer Version
HEALTH TOPICS
HEALTHY LIVING
SYMPTOMS
EMERGENCIES
DRUG INFO
RESOURCES
COMMENTARY
ABOUT US
HEALTH TOPICS
HEALTHY LIVING
Home
/
Brain, Spinal Cord, and Nerve Disorders
/
Symptoms of Brain, Spinal Cord, and Nerve Disorders
/
Symptoms of Brain, Spinal Cord, and Nerve Disorders
Expand all
Collapse all
Introduction to Symptoms of Brain, Spinal Cord, and Nerve Disorders
Memory Loss
Causes
Common causes
Less common causes
Evaluation
Warning signs
When to see a doctor
What the doctor does
Testing
Treatment
General measures
Medications
Safety and supportive measures
Essentials for Older People
Coping
Key Points
More Information
Muscle Cramps
Causes
Disorders that cause similar symptoms
Evaluation
Warning signs
When to see a doctor
What the doctor does
Testing
Prevention
Treatment
Key Points
Numbness
Pathway for sensation
Causes
Evaluation
Warning signs
When to see a doctor
What the doctor does
Testing
Treatment
Key Points
Weakness
Causes
Common causes
Less common causes
Fatigue
Evaluation
Warning signs
When to see a doctor
What the doctor does
Testing
Treatment
Essentials for Older People
Key Points