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Naprosyn Side Effects Center

Medically reviewed by Min Clinic Staff | Updated: January 2026
  • Generic Name: naproxen
  • Brand Name: Naprosyn, Anaprox, Anaprox DS

Naprosyn, Anaprox, Anaprox DS(Naproxen) side effects drug center

 

PROFESSIONAL

CONSUMER

SIDE EFFECTS

 

Naprosyn Side Effects Center

What Is Naprosyn?

Naprosyn (naproxen; other brand names: EC-Naprosyn and Anaprox/Anaprox DS), is a proprionic acid derivative and is considered a nonsteroidal anti-inflammatory drug (NSAID) and is used for pain management for many diseases, including:

  • arthritic diseases, and
  • inflammatory diseases such as:
    • tendonitis,

Naprosyn is available as a generic drug.

What Are Side Effects of Naprosyn?

Common side effects of Naprosyn include:

    ,
  • colitis,
  • convulsions,
  • cardiac problems,
  • severe skin changes, and
  • mental status changes

Dosage for Naprosyn

Naprosyn is available in several doses and drug configurations:

  • Naprosyn tablets with strengths of 250, 375 and 500 mg and as an oral suspension containing 125 mg Naprosyn per 5 ml of liquid,
  • EC-Naprosyn (delayed release to reduce gastric irritation) with strengths of 375 and 500 mg,
  • Anaprox in 275 mg tablets,
  • Anaprox DS in 550 mg tablets

Almost all Naprosyn drugs are recommended to be dosed twice per day (every 12 hours) with children's doses (strength in mg per Kg) based on the child's weight, also twice a day with a maximum dose of 15 mg per Kg per day.

What Drugs, Substances, or Supplements Interact with Naprosyn?

Naprosyn may interact with: