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Naproxen (Dominion Pharmacal): Uses, Side Effects and Dosage

Updated:
Facts
Status:
Over-the-counter (OTC) Current status: Cancelled Post Market
Strength:
220 mg
Active ingredient:
ATC code:

Patient Medication Information: uses, side effects, how to take - Naproxen (Dominion Pharmacal)

ABOUT THIS MEDICATION

What the medication is used for:

Trust NAPROXEN for providing fast and effective relief of pain such as arthritis pain and pain of inflammation. NAPROXEN relieves arthritic conditions such as stiffness, pain experienced day or night due to arthritis or stiffness of rheumatic conditions. NAPROXEN also relieves joint and body pain, muscular ache, muscle sprains and strains, backache, minor aches, headaches, migraine pain, menstrual cramps, pain of minor surgery, toothaches, pain of dental extractions, pain associated with the common cold and reduces fever. Clinical studies show long lasting relief for up to 12 hours.

What it does:

NAPROXEN is a pain reliever and fever reducer. NAPROXEN works both at the site of pain and in your central nervous system. NAPROXEN starts to work fast and treats pain where it starts.

When it should not be used:

Do not take NAPROXEN if you:

  • are allergic to naproxen, naproxen sodium, or any ingredient in the formulation
  • are allergic to acetylsalicylic acid (ASA), other salicylates or other non-steroidal anti-inflammatory drugs (NSAIDs)
  • have an active peptic ulcer, a history of recurrent ulceration, or active gastrointestinal bleeding
  • have inflammatory bowel disease
  • have liver disease (active or severe)
  • have kidney disease (severe or worsening)
  • are in your third trimester of pregnancy

What the medicinal ingredient is:

Naproxen sodium

What the non-medicinal ingredients are:

FD & C blue 2 Aluminum lake, hypromellose, maize starch, microcrystalline cellulose, polyethylene glycol, povidone, sodium starch glycolate, stearic acid, titanium dioxide.

What dosage forms it comes in:

Caplets: 220 mg

WARNINGS AND PRECAUTIONS

BEFORE you use NAPROXEN talk to your doctor or pharmacist if you have or have had:

  • asthma or a similar respiratory illness
  • nasal polyps
  • itchy skin and hives
  • history of gastrointestinal disease
  • high blood pressure
  • a blood clotting disorder
  • heart disease/failure
  • any other serious disease

OR if you are:

  • trying to conceive
  • in your first or second trimester of pregnancy
  • are nursing

INTER \C

INTERACTIONS WITH THIS MEDICATION

Do not use this product if you are taking acetylsalicylic acid (ASA) for preventative therapy without talking to a doctor or pharmacist. Naproxen sodium may interfere with the preventative benefits of ASA.

BEFORE you use NAPROXEN talk to your doctor or pharmacist if you are taking any other drug especially:

  • Anticoagulants (to decrease blood clotting)
  • Antihypertensive drugs for your heart (including ACE inhibitors and beta-blockers)
  • Diuretics ("water pills")
  • Cyclosporine
  • Glucocorticoids
  • Lithium
  • Methotrexate
  • low dose ASA for doctor supervised daily preventative therapy (e.g acetylsalicylic acid 81 mg)
  • NSAIDs or other pain medications (e.g. ibuprofen, acetaminophen)

Taking NAPROXEN with a meal may slightly delay its absorption.

PROPER USE OF THIS MEDICATION

Usual dose:

Adults (12-65 years): 1 caplet every 8 - 12 hours. Adults over 65 years 1 caplet every 12 hours. Do not take more than 2 caplets in a 24-hour period. Drink a full glass of water with each dose. Do not use in children under 12 years. Consult a doctor if fever lasts more than 3 days or pain lasts longer than 5 days or if your symptoms change.

Overdose:

If you think you have taken too much NAPROXEN, contact your health careprofessional, hospital emergency department or regional Poison Control Centre immediately, even if there are no symptoms.

SIDE EFFECTS AND WHAT TO DO ABOUT THEM

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Like all medicines, NAPROXEN may occasionally produce unwanted side effects. Stop use and contact a doctor or pharmacist if you experience: heartburn, nausea, vomiting, ringing or buzzing in the ears, bloating, diarrhea or constipation.

This is not a complete list of side effects. For any unexpected effects while taking NAPROXEN, contact your doctor or pharmacist.

SERIOUS SIDE EFFECTS, HOW OFTEN THEY HAPPEN AND WHAT TO DO ABOUT THEM

DO

Stop use and get emergency medical attention IMMEDIATELY if you experience: difficulty breathing, facial swelling, hives, rash or itching.

Stop use and contact a doctor or pharmacist if you experience: black stools, severe abdominal pain, any change in vision or fluid retention.

If you become drowsy, dizzy or lightheaded do not drive or operate machinery and contact your doctor or pharmacist.

HOW TO STORE IT

HO\\ TO STORE IT

  • CAUTION: This package contains enough drug to seriously harm a child. Keep out of children's reach.

Store between 15°C and 30°C.

Reporting side effects

You can report any suspected side effects associated with the use of health products to Health Canada by:

  • Visiting the Web page on Adverse Reaction Reporting (http://www.hc-sc.gc.ca/dhp-mps/medeff/report-declaration/index-eng.php) for information on how to report online, by mail or by fax; or
  • Calling toll-free at 1-866-234-2345

NOTE: Contact your health professional if you need information about how to manage your side effects. The Canada Vigilance Program does not provide medical advice.

MORE INFORMATION

This document plus the full product monograph, prepared for health professionals, can be obtained by contacting Pharmascience Inc. at, 1-888-550-6060.

DOMINION PHARMACAL

Montréal Québec

H4P 2T4

www.pharmascience.com

Last revised: May 10, 2019

About this document

Source: Health Canada – Drug Product Database (DPD) and product monographs · DIN (Drug Identification Number): 02408759

Revision date stated in the text: May 10, 2019

Found a mistake? Write to us via the contact page.

The information on this site does not replace the advice of a doctor or pharmacist.

Drug information for Naproxen (Dominion Pharmacal)

Rx or OTC
Over-the-counter (OTC)?
DIN 02408759
Schedule(s) NON-PRESCRIPTION DRUGS
Active ingredient(s) Naproxen sodium 220 MG
Dosage form(s) Tablet
Route(s) of administration Oral
Drug class (WHO ATC)
  1. M Musculo-skeletal system drugs
    1. M01 Antiinflammatory and antirheumatic products
      1. M01A Antiinflammatory and antirheumatic products, non-steroids
        1. M01AE Propionic acid derivatives, antiinflammatory and antirheumatic products
          1. M01AE02 Naproxen
Company DOMINION PHARMACAL
Current status Cancelled Post Market
Current status date May 6, 2020

Source: Health Canada – Drug Product Database (DPD) and product monographs, data as of November 1, 2026. Data from the Health Canada Drug Product Database, as published there. Not a substitute for the advice of a doctor or pharmacist.