honeypot link
skip to main content
  • follow us on facebook
  • follow us on Instagram
  • follow us on Youtube
  • follow us on Twitter
MSDMERCK MANUALConsumer Version
HEALTH TOPICSHEALTHY LIVINGSYMPTOMSEMERGENCIESDRUG INFORESOURCESCOMMENTARYABOUT US
homeHEALTH TOPICSHEALTHY LIVING
Search icon
  1. Home/
  2. Brain, Spinal Cord, and Nerve Disorders/
  3. Pain/
    Pain
    • Overview of Pain
      • Pain pathways
      • Acute versus chronic pain
      • Causes of Pain
    • Evaluation of Pain
      • Chronic pain
    • Treatment of Pain
      • Nonopioid Pain Relievers
        • Nonsteroidal Anti-Inflammatory Drugs (NSAIDs)
        • Acetaminophen
      • Opioid Pain Relievers
        • Side effects of opioids
        • Administration of opioids
        • Problems with use of opioids
      • Adjuvant Analgesics
        • Antidepressants
        • Antiseizure medications
        • Anesthetics
        • Other medications
      • Nonmedication-Related Pain Treatments
    • Chronic Widespread Pain
      • Symptoms
      • Diagnosis
      • Treatment
        • Medications
        • Physical or occupational therapy
        • Complementary and integrative medicine
        • Counseling and behavioral techniques
        • Interventional pain management techniques
        • Pain rehabilitation programs
    • Neuropathic Pain
      • Symptoms
      • Diagnosis
      • Treatment
        • Medications
        • Physical and occupational therapy
        • Other treatments
    • Complex Regional Pain Syndrome
      • Symptoms
      • Diagnosis
      • Treatment
    MSD
    • About
    • Disclaimer
    • Permissions
    • Privacy
    • Cookie Preferences
    • Terms of use
    • Partnerships
    • Contact Us
    • Global Medical Knowledge
    • Veterinary Edition
    • Print Editions
    • Mobile App
    • follow us on facebook
    • follow us on Youtube
    • follow us on Twitter
    • follow us on Instagram
    This icon serves as a link to download the eSSENTIAL Accessibility assistive technology app for individuals with physical disabilities. It is featured as part of our commitment to diversity and inclusion. M
    • follow us on facebook
    • follow us on Youtube
    • follow us on Twitter
    • follow us on Instagram
    This icon serves as a link to download the eSSENTIAL Accessibility assistive technology app for individuals with physical disabilities. It is featured as part of our commitment to diversity and inclusion. M
    MSD

    Copyright© 2025Merck & Co., Inc., Rahway, NJ, USA and its affiliates. All rights reserved.