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Voltfast

Active Ingredients:diclofenac potassium

The contents of the Voltfast sachet should be dissolved by stirring in a glass of non-carbonated water. The solution may remain somewhat cloudy, but this should not influence the effectiveness of the medicine. The solution should be swallowed.

When to take it

Take Voltfast before meals. If it upsets your stomach, you can take it with food or immediately after food.

This medicine will work more quickly if you take it on an empty stomach but it will still work if you have to take it with food to prevent stomach upset.

How much Voltfast to take

Follow all directions given to you by your doctor and pharmacist carefully.

These instructions may differ from the information contained in this leaflet.

If you do not understand the instructions on the label, ask your doctor or pharmacist for help.

There are different ways to take Voltfast depending on your condition. Your doctor will tell you exactly how many sachets of Voltfast to take.

Do not exceed the recommended dose.

To treat migraine

The usual dose is 50 mg (one sachet) at the first sign of an attack. If the pain is not relieved within 2 hours, another sachet can be taken. After that, you must wait at least 4 hours before taking any more Voltfast.

Do not take more than 200 mg (4 sachets) in 24 hours even if you have more than one migraine attack within that 24 hour period.

To treat menstrual cramps (period pain)

The usual dose is 50 mg to 100 mg (1 to 2 sachets) beginning as soon as cramps begin. This is usually followed by 1 sachet three times each day until the pain goes away, but for no longer than 3 days.

To treat other painful conditions

The usual dose is 100 mg to 150 mg (2 to 3 sachets) each day. In milder cases, as well as in children over 14 years old, 75 mg to 100 mg each day is usually enough.

How long to take it

Do not take Voltfast for longer than your doctor says.

It is usually taken for a short time only (up to one week) but it may be prescribed on repeated occasions, depending on your condition.

If you forget to take it

If it is almost time for your next dose (e.g. within 2 or 3 hours), skip the dose you missed and take the next dose when you are meant to.

Otherwise, take it as soon as you remember, and then go back to taking it as you would normally.

Do not take a double dose to make up for the one that you missed.

This may increase the chance of you getting an unwanted side effect.

If you have trouble remembering when to take your medicine, ask your pharmacist for some hints.

If you take too much (Overdose)

Immediately telephone your doctor or Poisons Information Centre (telephone 13 11 26), or go to Accident and Emergency at your nearest hospital if you think that you or anyone else may have taken too much Voltfast. Do this even if there are no signs of discomfort or poisoning. Keep the telephone numbers for these places handy.

If you take too much Voltfast, you may experience:

  • vomiting
  • bleeding from the stomach or bowel
  • diarrhoea
  • dizziness
  • ringing in the ears
  • convulsions (fits)

Things you must do

If you become pregnant while taking Voltfast, tell your doctor immediately.

Your doctor can discuss with you the risks of taking it while you are pregnant.

Be sure to keep all of your doctor's appointments so that your progress can be checked.

Your doctor may want to check your kidneys, liver and blood from time to time to help prevent unwanted side effects.

If you are going to have surgery, make sure the surgeon and anaesthetist know that you are taking Voltfast.

NSAID medicines can slow down blood clotting and affect kidney function.

If you get an infection while taking Voltfast, tell your doctor.

This medicine may hide some of the signs of an infection (pain, fever, swelling, redness). You may think, mistakenly, that you are better or that the infection is not serious.

If you are about to be started on any new medicine, remind your doctor and pharmacist that you are taking Voltfast.

Tell any other doctor, dentist or pharmacist who treats you that you are taking Voltfast.

Things you must not do

Do not take any of the following medicines while you are taking Voltfast without first telling your doctor:

  • aspirin (also called ASA or acetylsalicylic acid)
  • other salicylates
  • other medicines containing diclofenac (e.g. Voltaren tablets or suppositories, Voltaren Emulgel, Voltaren Rapid tablets)
  • ibuprofen
  • any other NSAID medicine

If you take these medicines together with Voltfast, they may cause unwanted side effects.

If you need to take something for headache or fever, it is usually okay to take paracetamol. If you are not sure, your doctor or pharmacist can advise you.

Do not give this medicine to anyone else, even if their condition seems similar to yours.

Do not use it to treat any other complaints unless your doctor tells you to.

Things to be careful of

Be careful driving, operating machinery or doing jobs that require you to be alert until you know how Voltfast affects you.

This medicine may cause dizziness, drowsiness, spinning sensation (vertigo) or blurred vision in some people. If you have any of these symptoms, do not drive, use machines, or carry out any other activities that need careful attention.

Elderly patients should take the minimum number of sachets that provides relief of symptoms.

Elderly patients may be more sensitive to the effects of Voltfast than other adults.

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