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A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use. Before generics become available on the market, the generic company must prove it has the same active ingredients as the brand-name drug and works in the same way and in the same amount of time in the body.

The only differences between generics and their brand-name counterparts is that generics are less expensive and may look slightly different (eg. different shape or color), as trademarks laws prevent a generic from looking exactly like the brand-name drug.

Generics are less expensive because generic manufacturers don't have to invest large sums of money to develop a drug. When the brand-name patent expires, generic companies can manufacture a copy of the brand-name and sell it at a substantial discount.

Voltaren Emulgel Extra Strength (Diclofenac Sodium)

Also Known as Voltarol Emulgel, Voltarol max strength, voltaren


Voltaren Emulgel Extra Strength (Diclofenac Sodium)

Prescription Required

Extra strength (2.32%)
Extra strength (2.32%) Joint Pain

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  • Product Details


    Diclofenac sodium topical gel, 1% is classified as a non-steroidal anti-inflammatory drug (NSAID) used to treat pain associated with osteoarthritis of joints in the knees and hands.

    Fact Table




    US DailyMed



    Legal status


    Chemical Name


    Elimination half-life

    1.2–2 h

    Dosage (Strength)

    0.1% 5ml


    Consult Doctor


    Voltaren Eye Drops

    Protein binding

    More than 99%

    PubChem CID






    ATC code






    Routes of administration

    Eye Drops


    Diclofenac sodium gel, 1% is for use on the skin only. Avoid getting the gel in your mouth, nose, or eyes. 

    Your prescription should come with a dosing card. The dosing card is used to help you measure out the appropriate amount of gel. 


    Do not apply more than 32 grams total per day.

    Dosing for lower extremities:

    Apply 4 grams to the affected area four times daily. Do not exceed more than 16 grams a day to any one affected joint.

    Dosing for upper extremities: 

    Apply 2 grams to the affected area four times daily. Do not exceed more than 8 grams daily to any one affected joint. 


    Diclofenac sodium is the active ingredient in diclofenac sodium topical gel, 1%.


    Do not use diclofenac sodium gel if you are allergic to diclofenac, aspirin, or other NSAIDs.

    Do not use diclofenac sodium gel if you have ever experienced asthma, hives, or any other allergic reaction after taking aspirin or other NSAIDs.

    Do not use diclofenac sodium gel before coronary artery bypass graft surgery. 



    See full prescribing information for complete boxed warning.

    Cardiovascular Risk

    • Non steroidal anti-inflammatory drugs (NSAIDs) may cause an increased risk of
      serious cardiovascular thrombotic events, myocardial infarction, and stroke,
      which can be fatal. 
    • Voltaren® Gel is contraindicated for the treatment of peri-operative pain in the
      setting of coronary artery bypass graft (CABG) surgery. Gastrointestinal Risk
    • Nonsteroidal anti-inflammatory drugs (NSAIDs), including Voltaren® Gel,cause an increased risk of serious gastrointestinal adverse events including bleeding, ulceration, and perforation of the stomach or intestines, which can be fatal. Elderly patients are at greater risk for serious gastrointestinal events
    • Before you start using diclofenac sodium gel, 1%, tell your doctor: 
      • About any allergies you have
      • About any medications you take, including prescription and over-the-counter medications
      • About your health conditions and medical history
      • If you are pregnant or plan to become pregnant
      • If you are breastfeeding or plan to breastfeed
    • NSAIDs can cause severe and potentially fatal cardiovascular thrombotic events, heart attack, and stroke. Use the lowest dose of diclofenac sodium gel if you have risk factors for cardiovascular disease.
    • NSAIDs can cause gastrointestinal inflammation, bleeding, ulceration, and perforation. Tell your doctor if you have ever had ulcer disease or gastrointestinal bleeding.
    • Diclofenac can cause abnormal liver tests. Your doctor may discontinue diclofenac if your abnormal liver tests worsen or won't go away. 
    • Prolonged use of NSAIDs can cause kidney injury. Caution should be used in elderly patients, patients with kidney problems, heart problems, and liver problems, and patients who take fluid pills and certain blood pressure medications. 
    • NSAIDs can cause high blood pressure. 
    • NSAIDs can cause fluid retention. Use caution if you have heart problems or fluid buildup.
    • NSAIDs can cause skin reactions that can be serious and fatal. Seek medical care right away if you develop a rash or other signs of a skin reaction.

    Side Effects

    The most common side effect of diclofenac sodium topical gel, 1% is skin irritation.

    Contact your doctor right away if you experience bothersome or persistent side effects. 


    Voltaren Gel Prescribing Information. Parsippany, NJ: Novartis Consumer Health, Inc.; 2009.

    Frequently Asked Questions about Voltaren Emulgel Extra Strength

    What is Voltaren Emulgel Extra Strength used for?

    It relieves pain and reduces inflammation in muscles and joints from recent injuries like sprains, strains, or sports injuries.

    How strong is it?

    It's an extra-strength topical gel containing 2.32% diclofenac sodium, a powerful NSAID pain reliever.

    How often do I apply it?

    Use it twice daily, morning and evening, to the affected area.

    How long does it take to work?

    You may feel relief within 30 minutes, though it can take up to 2 hours for full effect.

    How long can I use it?

    Don't use it for more than 14 days in a row without consulting your doctor.

    Are there any side effects?

    Common side effects include skin irritation, itching, and burning. Stop use and consult your doctor if these worsen.

    Is it safe for everyone?

    Talk to your doctor before using if you have certain medical conditions, are pregnant or breastfeeding, or take other medications.

    Can I use it with other pain relievers?

    Consult your doctor about potential interactions with other medications or supplements.

    What if I accidentally swallow it?

    Seek immediate medical attention if swallowed.

    IMPORTANT NOTE: The above information is intended to increase awareness of health information and does not suggest treatment or diagnosis. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.

    Product Code : 9833

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