Analgesics side effects pain Medication

Types of Pain Medications on

July 1, 2014 – 11:16 pm

EL Aephau: Medications & Massage Part 5: Pain, Inflammation

Pain Medications


Jim Morelli, MS, RPh

Jim Morelli holds a B.S. from the Massachusetts College of Pharmacy and Allied Health in Boston and an M.S. in civil engineering from Tufts University. He is registered as a pharmacist in the state of Georgia.

Medical Editor:

Gary D. Vogin, MD

Gary D. Vogin, MD

Dr. Vogin is a board-certified general internist, having completed his residency in internal medicine at Temple University Hospital in Philadelphia in June 1994. Before deciding on internal medicine, Vogin prepared for a career in pathology and was Outstanding Transitional First Year Graduate at St. Barnabas Medical Center in Livingston, N.J., in 1991.

Pain medications are drugs used to relieve discomfort associated with disease, injury, or surgery. Because the pain process is complex, there are many types of pain drugs that provide relief by acting through a variety of physiological mechanisms.

  • Nonsteroidal anti-inflammatory drugs (NSAIDs) act on substances in the body that can cause inflammation, pain, and fever.
  • Corticosteroids are often administered at the site of musculoskeletal injuries. They exert powerful anti-inflammatory effects.
  • Acetaminophen increases the body's pain threshold, but it has little effect on inflammation.
  • Opioids, also known as narcotic analgesics, modify pain messages in the brain.
  • Muscle relaxants reduce pain from tense muscle groups, most likely through sedative action in the central nervous system.
  • Anti-anxiety drugs work on pain in three ways: they reduce anxiety, they relax muscles, and they help patients cope with discomfort.
  • Some antidepressants, particularly the tricyclics, may reduce pain transmission through the spinal cord.
  • Some anticonvulsant drugs also relieve the pain of neuropathies, possibly by stabilizing nerve cells.

For what conditions are pain medications used?

Virtually any disease as well as most injuries and surgical procedures involve some degree of pain. It's not surprising, then, that pain medications, also known as analgesics, are among the most commonly used drugs in the U.S. Pain can range from minor, acute complaints, such as a muscle sprain, to chronic, severe pain, such as that sometimes experienced by cancer patients. Some drugs used for other conditions also are effective at relieving certain types of pain. These drugs include certain drugs used for depression, epilepsy, and anxiety.

What are the differences among the types of pain medications?

Pain medications can be broadly classified into two categories: prescription and nonprescription. In the latter category are several mild anti-inflammatory drugs (ibuprofen, naproxen), as well as acetaminophen. These are mainly meant for use with short-term, acute pain -- menstrual cramps, tension headaches, minor sprains -- what are known colloquially as "everyday aches and pains."These drugs also lower fever and are often used for that purpose.


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