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Dona Glucosamine

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Generic Name: glucosamine sulfate-sodium chloride complex
Product Name: Dona Glucosamine

Indication: What Dona Glucosamine is used for

Dona Glucosamine may reduce inflammation, aid in the management of swelling and tenderness, assist with the symptomatic relief of pain associated with osteoarthritis and has demonstrated improvement in the mobility of joints. It has been shown to rebuild damaged cartilage, thus restoring articular function.

Action: How Dona Glucosamine works

Dona Glucosamine contains glucosamine sulfate-sodium chloride complex – the stabilised crystalline form of glucosamine sulfate which is clinically proven to assist in the relief of the symptoms of osteoarthritis of the knee, hip, spine and hands. It acts on both the signs and symptoms of osteoarthritis, helps in building and maintaining healthy cartilage which is essential for healthy function of the joints, and may reduce the breakdown of existing cartilage.

Tablets: Each white, film-coated tablet contains 942 mg of glucosamine sulfate-sodium chloride complex (equivalent to 750 mg glucosamine sulfate) and the excipient ingredients: microcrystalline cellulose, povidone, croscarmellose sodium, macrogol 6000, magnesium stearate, purified talc, methacrylic acid copolymer, ammonio methacrylate copolymer, glycerol triacetate and titanium dioxide.

Powder for oral solution: One box contains 30 sachets. Each sachet contains 1.88 g of glucosamine sulfate-sodium chloride complex (equivalent to 1500 mg glucosamine sulfate). The white powder also contains aspartame, sorbitol, anhydrous citric acid and macrogol 4000 as excipient ingredients.

Dose advice: How to use Dona Glucosamine

Before you use Dona Glucosamine

When you must not use it

Since glucosamine is obtained from shellfish, people who are allergic to shellfish should not take this medicine.

Do not take Dona Glucosamine tablets or powder for oral solution if you are hypersensitive to glucosamine or to any of the excipient ingredients listed here.

Dona Glucosamine powder for oral solution in sachets contains aspartame, a source of phenylalanine, therefore people with phenylketonuria should consider taking Dona Glucosamine tablets instead.

Dona Glucosamine powder for oral solution in sachets also contains sorbitol, therefore people who have an intolerance to some sugars should consult their healthcare practitioner, doctor or pharmacist before taking the medicine.

Do not use this medicine after the expiry date printed on the pack or if the packaging is torn or shows signs of tampering. In that case, return it to your pharmacist or retailer.

Before you start to use

Tell your healthcare practitioner, doctor or pharmacist, if you have any of the following medical problems or conditions:

  • You or your family have a history of hypersensitivity to seafood, glucosamine, sorbitol or other ingredients of Dona Glucosamine;
  • Phenylketonuria, where your ability to break down the amino acid phenylalanine is impaired;
  • Closer monitoring of blood sugar levels may be necessary when glucosamine is first taken;
  • Severe liver or kidney problems, so that your hepatic (liver) or renal (kidney) function can be checked regularly by your doctor while you are taking glucosamine;
  • Glucosamine should be used with caution in asthmatic patients since they may be more susceptible to develop allergic reactions to glucosamine, with a possible worsening of their symptoms;
  • You are pregnant or breastfeeding. There is inadequate data on glucosamine use during pregnancy or lactation;
  • Other joint diseases, which require other treatment;
  • You are on a controlled sodium diet. The recommended daily dose of Dona Glucosamine contains 151 mg of sodium in a sachet of powder for oral solution, or 155 mg of sodium from 2 tablets.

Taking other medicines

You should always tell your healthcare practitioner, doctor or pharmacist what medicines you are taking, including medicines that you buy without a prescription from a pharmacy, supermarket or health food store.

The absorption of tetracyclines and the effect of coumarinic anticoagulants (such as warfarin) may increase when taken together with glucosamine sulfate, but it is unlikely that Dona Glucosamine and other medicines will interact with each other.

How to take Dona Glucosamine

Powder for oral solution

The recommended daily dose is one sachet per day. Dissolve the contents of one sachet in a glass of water (approximately 250 mL) and drink it up, preferably during a meal.


Take two tablets per day unless directed otherwise by your healthcare practitioner, doctor or pharmacist. Swallow the tablets whole with plenty of water or a suitable liquid, preferably during either morning or evening meals.

Dona Glucosamine is not recommended for children or adolescents under 18 years old where efficacy and safety have not been established.

How long to take it

Improvement of symptoms may be expected after 4 weeks of treatment, with optimal effects on joint mobility usually observed after 12 weeks. Dona Glucosamine can be continued long-term to maintain the physical benefits. If you stop taking Dona, your symptoms may reoccur.

If symptoms persist, or the condition recurs, consult your healthcare practitioner, doctor or pharmacist.

If you forget to take it

If it is almost time for your next dose, skip the dose you missed and take your next dose as planned. Otherwise, take it as soon as you remember then continue your normal routine. Do not take a double dose to compensate for the forgotten one.

If you take too much (overdose)

If you think you or anyone else has taken too much, or are suffering signs of discomfort or poisoning, immediately telephone your doctor or Poisons Information Centre on 13 11 26 (Australia) or the National Poisons Centre on 0800 764 766 (New Zealand) for advice, or go to Accident and Emergency at your nearest hospital.

While you are taking Dona Glucosamine

Things you must do

You should remind all health care practitioners, doctors, and pharmacists who are treating you for any condition that you are taking Dona Glucosamine, especially if you are starting, stopping or changing the dose of any other medicine.

The effect of warfarin (a drug used to prevent blood clotting) may increase during treatment with glucosamine. Your doctor may consider measuring your blood clotting status more frequently.

If you become pregnant while you are using Dona Glucosamine, tell your healthcare practitioner, doctor and pharmacist. They can discuss with you the risks of using it while you are pregnant.

If the symptoms of your osteoarthritis persist, seems to be getting worse or reappear, speak to your healthcare practitioner, doctor or pharmacist.

Things you must not do

Do not give this medicine to anyone else, even if their symptoms seem to be the same as yours. Do not use it to treat any other complaints unless your healthcare practitioner, doctor or pharmacist tells you to.

Effects on ability to drive and operate machinery

Dona Glucosamine has no known effects in these situations but refrain from driving or operating machinery if you experience side effects such as dizziness or drowsiness that can interfere with these activities.

After using Dona Glucosamine


Dona Glucosamine should be stored below 30°C.

Do not store this medicine or any other medicine in the bathroom or near a sink. Do not leave it in the car or on window sills. Heat and dampness can destroy some medicines.

Keep the medicine where young children cannot reach it. A locked cupboard at least one-and-a-half metres above the ground is a good place to store medicines.


If you no longer need the medicine or it has passed its expiry date, return any unused medicine to your pharmacist.

Schedule of Dona Glucosamine

Dona Glucosamine is a Schedule 4 medicine.

Side effects of Dona Glucosamine

Clinical trials with Dona Glucosamine have shown the medicine to be well tolerated. Undesirable effects have been observed in a low proportion of patients and were usually mild and transient. The most common side effects are:

Hypersensitivity reactions have been reported in some patients and included skin rashes with itching and redness.

You should inform your healthcare practitioner, doctor or pharmacist if you notice anything that is making you feel unwell while taking Dona Glucosamine, even if it is not on the list of side effects or is not yet known.

For further information talk to your doctor.


  1. Dona Glucosamine Consumer Medicine Information (CMI). St Leonards, NSW: MEDA Pharmaceuticals Pty Ltd. December 2016. [PDF]

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Posted On: 10 April, 2018
Modified On: 10 April, 2018


Created by: myVMC