Nalfon

Nalfon

Nalfon Side Effects Center

Medical Editor: John P. Cunha, DO, FACOEP

Nalfon (fenoprofen calcium) is used to treat pain or inflammation caused by arthritis. It is a nonsteroidal anti-inflammatory drug (NSAID). Common side effects include upset stomach, gas, constipation, diarrhea, nausea, vomiting, headache, drowsiness, dizziness, or fatigue.

For the treatment of mild to moderate pain, the recommended dosage of Nalfon is 200 mg taken orally every 4 to 6 hours, as needed. For the relief of signs and symptoms of rheumatoid arthritis or osteoarthritis the recommended dose is 400 to 600 mg taken orally, 3 or 4 times a day. Nalfon may interact with antidepressants, cyclosporine, lithium, diuretics (water pills), aspirin or salicylates, blood thinners, steroids, seizure medications, sulfa drugs, oral diabetes medications, or other NSAIDs. Tell your doctor all medications and supplements you use. Nalfon is not recommended for use during pregnancy due to possible harm to a fetus and interference with normal labor/delivery; consult your doctor. This drug passes into breast milk. Consult your doctor before breastfeeding.

Our Nalfon (fenoprofen calcium) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What is Patient Information in Detail?

Easy-to-read and understand detailed drug information and pill images for the patient or caregiver from Cerner Multum.

Nalfon in Detail - Patient Information: Side Effects

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop taking fenoprofen and seek medical attention or call your doctor at once if you have any of these serious side effects:

  • chest pain, weakness, shortness of breath, slurred speech, problems with vision or balance;
  • black, bloody, or tarry stools, coughing up blood or vomit that looks like coffee grounds;
  • confusion, tremors or shaking;
  • urinating less than usual or not at all;
  • pain, burning, or bleeding when you urinate;
  • nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes);
  • fever, sore throat, and headache with a severe blistering, peeling, and red skin rash; or
  • bruising, severe tingling, numbness, pain, muscle weakness.

Less serious side effects may include:

  • upset stomach, mild heartburn or stomach pain, diarrhea, constipation; bloating, gas;
  • dizziness, headache, nervousness;
  • skin itching or rash;
  • dry mouth;
  • increased sweating, runny nose;
  • blurred vision; or
  • ringing in your ears.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Read the entire detailed patient monograph for Nalfon (Fenoprofen Calcium) »

What is Patient Information Overview?

A concise overview of the drug for the patient or caregiver from First DataBank.

Nalfon Overview - Patient Information: Side Effects

SIDE EFFECTS: Upset stomach, gas, constipation, diarrhea, nausea, vomiting, headache, drowsiness, or dizziness may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor immediately if any of these unlikely but serious side effects occur: stomach pain, swelling of the hands or feet, sudden or unexplained weight gain, vision changes, hearing changes (e.g., ringing in the ears), mental/mood changes, fast/pounding heartbeat, persistent/severe headache, fainting, difficult/painful swallowing, unusual tiredness.

Tell your doctor immediately if any of these rare but very serious side effects occur: change in the amount of urine, frothy or pink urine, frequent/burning/painful urination, signs of infection (e.g., fever, persistent sore throat), easy bruising or bleeding, unexplained stiff neck.

This drug may rarely cause serious (possibly fatal) liver disease. If you notice any of the following highly unlikely but very serious side effects, stop taking fenoprofen and consult your doctor or pharmacist immediately: yellowing eyes or skin, dark urine, severe stomach/abdominal pain, persistent nausea/vomiting.

A very serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction may include: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

Read the entire patient information overview for Nalfon (Fenoprofen Calcium)»

What is Prescribing information?

The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.

Nalfon FDA Prescribing Information: Side Effects
(Adverse Reactions)

SIDE EFFECTS

During clinical studies for rheumatoid arthritis, osteoarthritis, or mild to moderate pain and studies of pharmacokinetics, complaints were compiled from a checklist of potential adverse reactions, and the following data emerged. These encompass observations in 6,786 patients, including 188 observed for at least 52 weeks. For comparison, data are also presented from complaints received from the 266 patients who received placebo in these same trials. During short-term studies for analgesia, the incidence of adverse reactions was markedly lower than that seen in longer-term studies.

Adverse Drug Reactions Reported in ≥ 1% of Patients During Clinical Trials

Digestive System-During clinical trials with Nalfon (fenoprofen calcium) , the most common adverse reactions were gastrointestinal in nature and occurred in 20.8% of patients receiving Nalfon (fenoprofen calcium) as compared to 16.9% of patients receiving placebo. In descending order of frequency, these reactions included dyspepsia (10.3% Nalfon (fenoprofen calcium) , vs. 2.3%, placebo), nausea (7.7% vs. 7.1%), constipation (7% vs. 1.5%), vomiting (2.6% vs. 1.9%), abdominal pain (2% vs. 1.1%), and diarrhea (1.8% vs. 4.1%). The drug was discontinued because of adverse gastrointestinal reactions in less than 2% of patients during premarketing studies.

Nervous System -The most frequent adverse neurologic reactions were headache (8.7% vs. 7.5%) and somnolence (8.5% vs. 6.4%). Dizziness (6.5% vs. 5.6%), tremor (2.2% vs. 0.4%), and confusion (1.4% vs. none) were noted less frequently. Nalfon (fenoprofen calcium) was discontinued in less than 0.5% of patients because of these side effects during premarketing studies.

Skin and Appendages-Increased sweating (4.6% vs. 0.4%), pruritus (4.2% vs. 0.8%), and rash (3.7% vs. 0.4%) were reported. Nalfon (fenoprofen calcium) was discontinued in about 1% of patients because of an adverse effect related to the skin during premarketing studies.

Special Senses-Tinnitus (4.5% vs. 0.4%), blurred vision (2.2% vs. none), and decreased hearing (1.6% vs. none) were reported. Nalfon (fenoprofen calcium) was discontinued in less than 0.5% of patients because of adverse effects related to the special senses during premarketing studies.

Cardiovascular-Palpitations (2.5% vs. 0.4%). Nalfon (fenoprofen calcium) was discontinued in about 0.5% of patients because of adverse cardiovascular reactions during premarketing studies.

Miscellaneous-Nervousness (5.7% vs. 1.5%), asthenia (5.4% vs. 0.4%), peripheral edema (5.0% vs. 0.4%), dyspnea (2.8% vs. none), fatigue (1.7% vs. 1.5%), upper respiratory infection (1.5% vs. 5.6%), and nasopharyngitis (1.2% vs. none).

Adverse Drug Reactions Reported in < 1% of Patients During Clinical Trials

Digestive System-Gastritis, peptic ulcer with/without perforation, gastrointestinal hemorrhage, anorexia, flatulence, dry mouth, and blood in the stool. Increases in alkaline phosphatase, LDH, SG0T, jaundice, and cholestatic hepatitis, aphthous ulcerations of the buccal mucosa, metallic taste, and pancreatitis (see PRECAUTIONS).

Cardiovascular-Atrial fibrillation, pulmonary edema, electrocardiographic changes, and supraventricular tachycardia.

Genitourinary Tract-Renal failure, dysuria, cystitis, hematuria, oliguria, azotemia, anuria, interstitial nephritis, nephrosis, and papillary necrosis (see WARNINGS).

Hypersensitivity-Angioedema (angioneurotic edema).

Hematologic-Purpura, bruising, hemorrhage, thrombocytopenia, hemolytic anemia, aplastic anemia, agranulocytosis, and pancytopenia.

Nervous System-Depression, disorientation, seizures, and trigeminal neuralgia.

Special Senses-Burning tongue, diplopia, and optic neuritis.

Skin and Appendages-Exfoliative dermatitis, toxic epidermal necrolysis, Stevens-Johnson syndrome, and alopecia.

Miscellaneous-Anaphylaxis, urticaria, malaise, insomnia, tachycardia, personality change, lymphadenopathy, mastodynia, and fever.

Read the entire FDA prescribing information for Nalfon (Fenoprofen Calcium) »

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Nalfon - User Reviews

Nalfon User Reviews

Now you can gain knowledge and insight about a drug treatment with Patient Discussions.

Here is a collection of user reviews for the medication Nalfon sorted by most helpful. Patient Discussions FAQs

Report Problems to the Food and Drug Administration

 

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


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