Glucosamine has been used for arthritis (osteoarthritis).

Some herbal/diet supplement products have been found to contain possibly harmful impurities/additives. Check with your pharmacist for more details about the brand you use.

The FDA has not reviewed this product for safety or effectiveness. Consult your doctor or pharmacist for more details.

Take this product by mouth as directed. Follow all directions and warnings on the product package. If you have any questions, ask your doctor or pharmacist.

If you are taking the powder, mix it thoroughly in the proper amount of liquid and stir well. Drink all of the liquid right away. Do not prepare a supply for future use.

It may take 4 to 8 weeks for this product to start working. Tell your doctor if your condition lasts or gets worse. If you think you may have a serious medical problem, get medical help right away.

Diarrhea, constipation, nausea, vomiting, or heartburn may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly.

If your doctor has directed you to use this medication, remember that your doctor 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.

A very serious allergic reaction to this product is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including:

• 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 or at www.fda.gov/medwatch.

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

Before taking glucosamine, tell your doctor or pharmacist if you are allergic to it; or to shellfish (such as shrimp, crab); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

If you have any of the following health problems, consult your doctor or pharmacist before using this product:

• diabetes
• asthma

Liquid forms of this product may contain sugar, aspartame and/or alcohol. Caution is advised if you have diabetes, liver disease, phenylketonuria (PKU), or any other condition that requires you to limit/avoid these substances in your diet. Ask your doctor or pharmacist about using this product safely.

Tell your doctor if you are pregnant before using this medication.

It is unknown if this product passes into breast milk. Consult your doctor before breastfeeding.

Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.

Some products that may interact with this drug include:

• certain chemotherapy drugs (teniposide, doxorubicin)

If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call 1-800-222-1222. Canada residents can call 1-844-764-7669.

Keep all medical and lab appointments.

If you miss a dose, use it as soon as you remember. If it is near the time of the next dose, skip the missed dose. Use your next dose at the regular time. Do not double the dose to catch up.

Refer to storage information printed on the package. If you have any questions about storage, ask your pharmacist. Keep all medications and herbal products away from children and pets.

Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.