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This medication belongs to the class of medications known as non-steroidal anti-inflammatories (NSAIDs). It is used to treat mild to moderate pain with inflammation. It may be used for muscle aches and pains, tooth extraction, and symptoms of rheumatoid arthritis and osteoarthritis. It works by relieving pain and reducing inflammation. Diflunisal produces significant pain relief within one hour and maximum relief after 2 to 4 hours. Pain relief lasts for 8 to 12 hours.
This medication may be available under multiple brand names and/or in several different forms. Any specific brand name of this medication may not be available in all of the forms or approved for all of the conditions discussed here. As well, some forms of this medication may not be used for all of the conditions discussed here.
Your doctor may have suggested this medication for conditions other than those listed in these drug information articles. If you have not discussed this with your doctor or are not sure why you are taking this medication, speak to your doctor. Do not stop taking this medication without consulting your doctor.
Do not give this medication to anyone else, even if they have the same symptoms as you do. It can be harmful for people to take this medication if their doctor has not prescribed it.
Each light-orange, capsule-shaped, film-coated, biconvex tablet engraved “D250” on one side contains 250 mg of diflunisal. Nonmedicinal ingredients: hydroxypropyl methylcellulose, polyethylene glycol, titanium dioxide, D&C Yellow No. 10, FD&C Yellow No. 6, starch, magnesium stearate, colloidal silicon dioxide, microcrystalline cellulose, and croscarmellose sodium.
Each orange, capsule-shaped, film-coated, biconvex tablet engraved “D500” on one side contains 500 mg of diflunisal. Nonmedicinal ingredients: hydroxypropyl methylcellulose, polyethylene glycol, titanium dioxide, FD&C Yellow No. 6, starch, magnesium stearate, colloidal silicon dioxide, microcrystalline cellulose, and croscarmellose sodium.
The recommended adult dose of diflunisal for the treatment of rheumatoid arthritis and osteoarthritis ranges from 500mg to 1,000mg daily, in two divided doses with food or milk.
For the relief of pain associated with other types of inflammation, the usual dose is an initial dose of 1000 mg, followed by 500mg every 12 hours. In some cases, such as for seniors or people with a low body weight, a smaller dose of 250mg every 12 hours may be used.
Diflunisal produces significant pain relief within one hour and maximum relief after 2 to 4 hours. Pain relief lasts for 8 to 12 hours. Do not crush or chew the tablets.
Many things can affect the dose of medication that a person needs, such as body weight, other medical conditions, and other medications. If your doctor has recommended a dose different from the ones listed here, do not change the way that you are taking the medication without consulting your doctor.
It is important to take this medication exactly as prescribed by your doctor. If you miss a dose, take it as soon as possible and continue with your regular schedule. If it is almost time for your next dose, skip the missed dose and continue with your regular dosing schedule. Do not take a double dose to make up for a missed one. If you are not sure what to do after missing a dose, contact your doctor or pharmacist for advice.
Store this medication at room temperature, protect it from moisture, and keep it out of the reach of children.
Do not dispose of medications in wastewater (e.g. down the sink or in the toilet) or in household garbage. Ask your pharmacist how to dispose of medications that are no longer needed or have expired.
Do not take diflunisal if you:
Many medications can cause side effects. A side effect is an unwanted response to a medication when it is taken in normal doses. Side effects can be mild or severe, temporary or permanent. The side effects listed below are not experienced by everyone who takes this medication. If you are concerned about side effects, discuss the risks and benefits of this medication with your doctor.
The following side effects have been reported by at least 1% of people taking this medication. Many of these side effects can be managed, and some may go away on their own over time.
Contact your doctor if you experience these side effects and they are severe or bothersome. Your pharmacist may be able to advise you on managing side effects.
Although most of these side effects listed below don’t happen very often, they could lead to serious problems if you do not check with your doctor or seek medical attention.
Check with your doctor as soon as possible if any of the following side effects occur:
Stop taking the medication and seek immediate medical attention if any of the following occur:
Some people may experience side effects other than those listed. Check with your doctor if you notice any symptom that worries you while you are taking this medication.
Before you begin using a medication, be sure to inform your doctor of any medical conditions or allergies you may have, any medications you are taking, whether you are pregnant or breast-feeding, and any other significant facts about your health. These factors may affect how you should use this medication.
Drowsiness/reduced awareness: Headache, dizziness, lightheadedness, and confusion have been reported by some people using this medication. Avoid operating machinery or motor vehicles or doing other potentially hazardous tasks until you determine how this medication affects you.
Fluid and electrolyte balance: Fluid retention and edema have been reported with use of this medication. People who have the following conditions should be monitored by their doctor while taking this medication:
There is a risk of high blood potassium with treatment with diflunisal. People most at risk are seniors, those having conditions such as diabetes or kidney failure, and those taking beta-adrenergic blockers, angiotensin converting enzyme (ACE) inhibitors, or some diuretics (water pills).
Heart problems: NSAID medications may increase the risk of heart attacks, strokes, and blood clots. The risk is greater with higher doses and long-term use. People at risk of heart problems, such as those with high blood pressure, high cholesterol, diabetes, peripheral arterial disease, heart failure, or coronary artery disease, should discuss with their doctor how this medication may affect their medical condition, how their medical condition may affect the dosing and effectiveness of this medication, and whether any special monitoring is needed.
Infection: This medication may mask the signs of an infection, such as a fever.
Kidney function: Long-term use of diflunisal may lead to a higher risk of reduced kidney function. This is most common for people who already have kidney disease, liver disease, or heart failure; for people who take diuretics (water pills); and for seniors.
Liver function: This medication may cause liver problems. If you have a liver condition, you may need more frequent checkups with your doctor. If you develop signs of a liver problem (such as yellow skin or eyes, dark urine, pale stools, abdominal pain, or itchy skin), stop taking the medication and see your doctor as soon as possible.
Stomach problems: Stomach ulcers, perforation, and bleeding from the stomach have been known to occur while taking diflunisal. These complications can occur at any time, and are sometimes severe enough to require immediate medical attention. The risk of ulcers and bleeding are increased in people taking higher doses of diflunisal for longer periods of time.
Diflunisal should be taken under close medical supervision by people prone to irritation of the stomach and intestines, particularly those who have had a stomach ulcer, bloody stools, or diverticulosis or other inflammatory disease of the stomach or intestines (such as ulcerative colitis or Crohn’s disease). In these cases, your doctor must weigh the benefits of treatment against the possible risks.
Stop taking the medication and contact your doctor immediately if you experience symptoms or signs suggestive of stomach ulcers or bleeding in the stomach (black, tarry stools). These reactions can occur at any time during treatment without warning.
Pregnancy: This medication should not be used during the third trimester (last 3 months) of pregnancy. This medication should not be used during the first and second trimester (first 6 months) of pregnancy unless the benefits outweigh the risks. If you become pregnant while taking this medication, contact your doctor immediately.
Breast-feeding: This medication passes into breast milk. If you are a breast-feeding mother and are taking this medication, it may affect your baby. Talk to your doctor about whether you should continue breast-feeding.
Children:. Diflunisal is not recommended for children under 12 years of age. The safety, effectiveness, and dosages of this medication for this age group have not been established.
Seniors: Seniors appear to have a higher risk of side effects. They should use the lowest effective dosage under close medical supervision.
There may be an interaction between diflunisal and any of the following:
If you are taking any of these medications, speak with your doctor or pharmacist. Depending on your specific circumstances, your doctor may want you to:
An interaction between two medications does not always mean that you must stop taking one of them. Speak to your doctor about how any drug interactions are being managed or should be managed.
Medications other than those listed above may interact with this medication. Tell your doctor or prescriber about all prescription, over-the-counter (non-prescription), and herbal medications you are taking. Also tell them about any supplements you take. Since caffeine, alcohol, the nicotine from cigarettes, or street drugs can affect the action of many medications, you should let your prescriber know if you use them.
All material copyright MediResource Inc. 1996 – 2019. Terms and conditions of use. The contents herein are for informational purposes only. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Source: www.medbroadcast.com/drug/getdrug/Diflunisal-by-AA-Pharma
All material © 1996-2018 MediResource Inc. Terms and conditions of use. The contents herein are for informational purposes only. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.