We Know: All About How Aspirin Works

How is aspirin used?

Aspirin acts in both an analgesic (pain reliever) and an anti-inflammatory (reduces swelling and inflammation) capacity. It alleviates pain by suppressing pain. Aspirin reduces fevers by telling the brain's temperature regulating center (the hypothalamus) to dilate small blood vessels in the skin. When prescribed by doctors, aspirin may also prevent heart attack or stroke by thinning blood to avoid clotting and platelet build-up. Aspirin is also known as salicylic acid.

How does one use aspirin?

Aspirin is sold in over-the-counter and prescription strengths in the form of oral tablets, capsules, extended release tablets, chewable tablets, tablets that dissolve in water, or suppositories. Individuals should take each dosage as directed on the packaging (no more than two tablets for adults every four hours; children, as determined by age on the packaging or by the doctor). Aspirin should be taken with food to lessen any chances of stomach irritation.

What precautions should one take when using aspirin?

Aspirin is safe for most people. However, if you have the following conditions, consult your medical professional before taking the drug:

  • Do not take aspirin if you have stomach ulcers.
  • Allergies.
  • Simultaneously taking other prescription medication as it may decrease or increase the medication's effect.
  • Pregnancy - avoid it in the third trimester.
  • Individual has a history of liver or kidney disease - using aspirin for long periods of time can damage the kidneys.
  • Alcoholism.
  • Don't take aspirin while on a low-sodium diet as each tablet can add a considerable amount of sodium.
  • Gout, asthma.
  • Avoid giving aspirin to children with viral illnesses.

What are the side effects of taking aspirin?

Common side effects associated with aspirin include heartburn, indigestion, mild nausea and vomiting. Other more serious side effects may include difficulty sleeping, headache, drowsiness, flushing of the face, swelling, bloody vomit or black stools, loss of hearing or ringing in the ears, and stomach cramping. If you experience the more serious side effects, get medical attention immediately.

What happens when an overdose occurs?

An overdose on aspirin affects hearing, stomach, heart rate and respiratory functioning. As children can easily overdose on aspirin, it is best to store aspirin safely away from children. Contact the poison control center or 911 immediately if an overdose is suspected.

What are the common brand names of aspirin?

The brand names that manufacturers use to market acetaminophen include:

  • Bayer
  • Alka-Seltzer
  • Anacin
  • Bufferin
  • Concidin with codeine
  • Excedrin
  • Goody's Headache Powders
  • St. Joseph Adult Chewable Aspirin
  • Vibro-Med
  • Night Time Effervescent Cold


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