What is a Generic Drug?

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.




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  • Product Details


    What is Hyalgan?

    • Hyalgan (sodium hyaluronate) is a viscous medical product used to treat symptoms of osteoarthritis of the knee. It is injected directly into the affected joint to provide relief.

    How does it work?

    • Hyalgan works as a replacement for the synovial fluid normally found in the joint. It provides lubrication and shock-absorption to decrease pain and inflammation.

    How is it supplied?

    • You can buy Hyalgan at Canada Pharmacy as a 20mg/2mL syringe for injection.

    How should I store it?

    • Store your Hyalgan syringes at temperatures below 25?. Do not freeze the product. Keep it out of reach of children.


    What is the usual dose?

    • The usual dose is:
      • One injection of 2mL into the knee once per week for five weeks.
      • Your doctor could stop therapy after three injections if the desired effects are achieved.
    • Your doctor will perform the injection in their office.


    What is the active ingredient in Hyalgan?

    • The active ingredient is sodium hyaluronate.

    What are the inactive ingredients?

    • You can find a complete list of inactive ingredients in the package insert.

    Fact Table




    US FDA



    Legal status

    RX Only

    Chemical Name

    Hyluronic Acid

    Elimination half-life

    17 hours to 1.5 days

    Dosage (Strength)

    20mg/2mL (3 syringes)


    Consult a doctor



    Protein binding


    PubChem CID






    ATC code

    D03AX05, M09AX01, R01AX09, S01KA01





    Routes of administration



    Who should avoid taking Hyalgan?

    • Do not use Hyalgan if you have a known allergy to any of the ingredients.
    • Do not use Hyalgan if you have an active infection in the joint or the skin around the injection site.

    What are the risks?

    • The safety and effectiveness of Hyalgan used in joints other than the knee have not been established.
    • Tell your doctor if you are allergic to bird proteins, feathers, or eggs.
    • The Hyalgan injection must be conducted under aseptic conditions. Do not try to self-administer Hyalgan.
    • Do not use any Hyalgan syringes that appear damaged or previously opened.
    • If you are pregnant or intending to become pregnant, discuss the risk with your doctor.

    Side Effects

    What are the side effects of Hyalgan?

    • Pain at the injection site
    • Joint swelling
    • Rash at the injection site
    • Itching at the injection site
    • Headache

    Other Considerations

    • Hyalgan is usually used when other treatments have failed. Talk to your doctor about first-line treatments before starting injections for knee pain.


    1. Hyalgan Labeling. (2014). Retrieved April 09, 2020

    Frequently Asked Questions about Hyalgan

    What is Hyalgan?

    Hyalgan is a brand name for a medication known as hyaluronic acid. It is used to treat knee pain caused by osteoarthritis.

    How does Hyalgan work?

    Hyalgan is injected directly into the knee joint. It acts as a lubricant and shock absorber, helping to reduce pain and improve joint mobility in patients with osteoarthritis.

    Who can benefit from Hyalgan injections?

    Hyalgan is typically recommended for patients with knee osteoarthritis who have not responded well to other pain medications or conservative treatments. It is most suitable for individuals with mild to moderate osteoarthritis.

    Is Hyalgan safe?

    Hyalgan is considered safe for most people, but like any medical treatment, it does carry some risks. It is essential to discuss your medical history and any potential allergies with your healthcare provider before starting Hyalgan injections.

    What are the potential side effects of Hyalgan?

    Common side effects may include temporary pain, swelling, or redness at the injection site. Rarely, some individuals may experience an allergic reaction. Be sure to report any unusual symptoms to your healthcare provider.

    How is Hyalgan administered?

    Hyalgan is administered as a series of injections directly into the knee joint. The number of injections and the treatment schedule will be determined by your healthcare provider.

    How long does it take for Hyalgan to work?

    Relief from Hyalgan injections may vary from person to person. Some individuals may experience pain relief within a few days, while others may require a few weeks of treatment to see significant improvement.

    How long does the effect of Hyalgan last?

    The effects of Hyalgan are not permanent. Pain relief typically lasts for several months, and some individuals may require periodic injections to maintain the benefits.

    Is Hyalgan suitable for all types of knee pain?

    Hyalgan is specifically indicated for knee pain associated with osteoarthritis. It may not be the appropriate treatment for other types of knee pain or joint conditions.

    What should I expect during a Hyalgan injection procedure?

    The injection procedure is usually quick and performed in a healthcare provider's office. Your knee will be cleaned, and the injection will be administered using a fine needle. You may experience some discomfort during the injection.

    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 : 2306

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