Consumer medicine information

DBL™ Potassium Dihydrogen Phosphate Concentrated Injection


Consumer Medicine Information (CMI) summary

The full CMI on the next page has more details. If you are worried about using this medicine, speak to your doctor or pharmacist.


1. Why am I being treated with DBL Potassium Dihydrogen Phosphate Concentrated Injection?

DBL Potassium Dihydrogen Phosphate Concentrated Injection contains the active ingredient monobasic potassium phosphate. This medicine is used to quickly increase the amount of phosphate in your body.

For more information, see Section 1. Why am I being treated with DBL Potassium Dihydrogen Phosphate Concentrated Injection? in the full CMI.

2. What should I know before treatment with DBL Potassium Dihydrogen Phosphate Concentrated Injection?

Do not use if you have ever had an allergic reaction to DBL Potassium Dihydrogen Phosphate Concentrated Injection or any of the ingredients listed at the end of the CMI. Talk to your doctor if you have any other medical conditions, take any other medicines, or are pregnant or plan to become pregnant or are breastfeeding.

For more information, see Section 2. What should I know before treatment with DBL Potassium Dihydrogen Phosphate Concentrated Injection? in the full CMI.

3. What if I am taking other medicines?

Some medicines may interfere with DBL Potassium Dihydrogen Phosphate Concentrated Injection and affect how it works.

A list of these medicines is in Section 3. What if I am taking other medicines? in the full CMI.

4. How is DBL Potassium Dihydrogen Phosphate Concentrated Injection given?

  • DBL Potassium Dihydrogen Phosphate Concentrated Injection is given as a slow injection into a vein (intravenous infusion) by a doctor or a nurse.
  • Your doctor will decide what dose you will receive and for how long you will receive it. This depends on your medical condition and other factors, such as your weight or age.

More instructions can be found in Section 4. How is DBL Potassium Dihydrogen Phosphate Concentrated Injection given? in the full CMI.

5. What should I know during treatment with DBL Potassium Dihydrogen Phosphate Concentrated Injection?

Things you should do
  • Remind any doctor, dentist or pharmacist you visit that you have been given DBL Potassium Dihydrogen Phosphate Concentrated Injection.
  • If you are about to have any blood tests, tell your doctor that you have been given this medicine.
Looking after your medicine
  • Store below 25°C. DBL Potassium Dihydrogen Phosphate Concentrated Injection will be stored in the pharmacy or on the ward.

For more information, see Section 5. What should I know during treatment with DBL Potassium Dihydrogen Phosphate Concentrated Injection? in the full CMI.

6. Are there any side effects?

Side effects include swelling of legs or feet, or weight gain. Serious side effects include muscle weakness or muscle cramps, convulsions (fits), confusion, tiredness, irregular or slow heart rate, unexplained anxiety, tingling or numbness of the hands or feet, breathing difficulties, increased thirst and decrease in urination.

For more information, including what to do if you have any side effects, see Section 6. Are there any side effects? in the full CMI.

DBL™ Potassium Dihydrogen Phosphate Concentrated Injection

Active ingredient(s): monobasic potassium phosphate (potassium dihydrogen phosphate)


Consumer Medicine Information (CMI)

This leaflet provides important information about using DBL Potassium Dihydrogen Phosphate Concentrated Injection. You should also speak to your doctor or pharmacist if you would like further information or if you have any concerns or questions about using DBL Potassium Dihydrogen Phosphate Concentrated Injection.

Where to find information in this leaflet:

1. Why am I being treated with DBL Potassium Dihydrogen Phosphate Concentrated Injection?
2. What should I know before treatment with DBL Potassium Dihydrogen Phosphate Concentrated Injection?
3. What if I am taking other medicines?
4. How is DBL Potassium Dihydrogen Phosphate Concentrated Injection given?
5. What should I know during treatment with DBL Potassium Dihydrogen Phosphate Concentrated Injection?
6. Are there any side effects?
7. Product details

1. Why am I being treated with DBL Potassium Dihydrogen Phosphate Concentrated Injection?

DBL Potassium Dihydrogen Phosphate Concentrated Injection contains the active ingredient monobasic potassium phosphate. DBL Potassium Dihydrogen Phosphate Concentrated Injection is a simple phosphate salt used to quickly increase the amount of phosphate in your body.

DBL Potassium Dihydrogen Phosphate Concentrated Injection works by providing a source of phosphate for your body to use.

2. What should I know before treatment with DBL Potassium Dihydrogen Phosphate Concentrated Injection?

Warnings

You should not be given DBL Potassium Dihydrogen Phosphate Concentrated Injection if you:

  • are allergic to potassium dihydrogen phosphate or any of the ingredients listed at the end of this leaflet. Symptoms of an allergic reaction may include:
    – shortness of breath, wheezing or difficulty breathing
    – swelling of the face, lips, tongue or other parts of the body
    – rash, itching or hives on the skin.
  • have any of the following medical conditions:
    – a dangerously fast heart rate
    – severe burns
    – acute dehydration
    – heat cramps
    – kidney disease causing less urine than normal or severe kidney disease
    – certain types of kidney stones
    – higher than normal levels of adrenal hormones known as hyperadrenalism
    – lower than normal levels of adrenal hormones known as Addison’s disease
    – high blood levels of potassium or phosphate or low blood levels of calcium
    – higher than normal sensitivity to potassium.

Tell your doctor if you have or have had any other health problems or medical conditions including:

  • kidney disease
  • pancreatic disease
  • parathyroid problems
  • muscle disease
  • heart disease
  • slow or irregular heart beat
  • rickets
  • electrolyte disturbances.

During treatment, you may be at risk of developing certain side effects. It is important you understand these risks and how to monitor for them. See additional information under Section 6. Are there any side effects?

Pregnancy and breastfeeding

Tell your doctor if you are pregnant or intend to become pregnant. Your doctor will discuss the risks and benefits of you being given this medicine during pregnancy.

Tell your doctor if you are breastfeeding or intend to breastfeed. Your doctor will discuss the risks and benefits of you being given this medicine when breastfeeding.

3. What if I am taking other medicines?

Tell your doctor or pharmacist if you are taking any other medicines, including any medicines, vitamins or supplements that you buy without a prescription from your pharmacy, supermarket or health food shop.

Some medicines may interfere with DBL Potassium Dihydrogen Phosphate Concentrated Injection and affect how it works. These include:

  • medicines containing calcium, potassium or phosphate
  • medicines that reduce the excretion of potassium such as spironolactone or triamterene
  • cardiac glycosides such as digoxin
  • medicines used to treat high blood pressure and some heart conditions known as ACE inhibitors
  • salicylates
  • non-steroidal anti-inflammatory drugs such as aspirin or ibuprofen.

These medicines may be affected by DBL Potassium Dihydrogen Phosphate Concentrated Injection or may affect how well it works. You may need different amounts of your medicine, or you may need to take different medicines.

Check with your doctor or pharmacist if you are not sure about what medicines, vitamins or supplements you are taking and if these affect DBL Potassium Dihydrogen Phosphate Concentrated Injection.

4. How is DBL Potassium Dihydrogen Phosphate Concentrated Injection given?

How is it given

  • DBL Potassium Dihydrogen Phosphate Concentrated Injection is given as a slow injection into a vein (intravenous infusion).
  • It must only be given by a doctor or nurse.

How much will be given

  • Your doctor will decide what dose of DBL Potassium Dihydrogen Phosphate Concentrated Injection you will receive and how long you will receive it for. This depends on your medical condition and other factors, such as your weight or age.
  • Sometimes only a single dose of DBL Potassium Dihydrogen Phosphate Concentrated Injection is required.

If too much is given

As DBL Potassium Dihydrogen Phosphate Concentrated Injection is given to you under the supervision of your doctor, it is unlikely that you will receive an overdose.

However, if you experience severe side effects, you may need urgent medical attention.

You should immediately:

  • phone the Poisons Information Centre
    (by calling 13 11 26), or
  • contact your doctor, or
  • go to the Emergency Department at your nearest hospital.

You should do this even if there are no signs of discomfort or poisoning.

5. What should I know during treatment with DBL Potassium Dihydrogen Phosphate Concentrated Injection?

Things you should do

  • If you are about to be started on any new medicine, remind your doctor and pharmacist that you have been given DBL™ Potassium Dihydrogen Phosphate Concentrated Injection.
  • Tell any other doctors, dentists and pharmacists who treat you that you have been given this medicine.
  • If you are going to have surgery, tell the surgeon or anaesthetist that you have been given this medicine. It may affect other medicines used during surgery.
  • If you are about to have any blood tests, tell your doctor that you have been given this medicine. It may interfere with the results of some tests.

Things to be careful of

  • If you feel light-headed, dizzy or faint when getting out of bed or standing up, get up slowly. Standing up slowly, especially when you get up from bed or chairs, will help your body get used to the change in position and blood pressure. If this problem continues or gets worse, talk to your doctor.

Driving or using machines

Be careful before you drive or use any machines or tools until you know how DBL Potassium Dihydrogen Phosphate Concentrated Injection affects you.

DBL Potassium Dihydrogen Phosphate Concentrated Injection may cause dizziness in some people.

Looking after your medicine

  • DBL™ Potassium Dihydrogen Phosphate Concentrated Injection will be stored in the pharmacy or on the ward.
  • Store in a cool dry place where the temperature stays below 25°C.

Keep it where young children cannot reach it.

When to discard this medicine

Discard any medicine that has passed the expiry date. Do not use this medicine after the expiry date.

Getting rid of any unwanted medicine

If you no longer need to use this medicine or it is out of date, take it to any pharmacy for safe disposal.

6. Are there any side effects?

DBL™ Potassium Dihydrogen Phosphate Concentrated Injection helps most people with low levels of phosphate in their bodies, but it may have unwanted side effects in a few people.

All medicines can have side effects. If you do experience any side effects, most of them are minor and temporary. However, some side effects may need medical attention.

See the information below and, if you need to, ask your doctor or pharmacist if you have any further questions about side effects.

Side effects

Side effects What to do
  • swelling of feet or lower legs
  • weight gain
  • nausea, vomiting, diarrhoea and abdominal discomfort
Speak to your doctor if you have any of these side effects and they worry you.
They are usually mild and short-lived.

Serious side effects

Serious side effects What to do
  • muscle weakness or muscle cramps
  • convulsions (fits)
  • confusion
  • tiredness
  • headache, dizziness or light-headedness
  • irregular or slow heart rate or chest pain
  • sweating, trembling
  • anxiety
  • tingling or numbness of the lips, hands or feet
  • breathing difficulties
  • increased thirst and decrease in urination
Call your doctor straight away, or go straight to the Emergency Department at your nearest hospital if you notice any of these serious side effects.

Tell your doctor or pharmacist if you notice anything else that may be making you feel unwell.

Other side effects not listed here may occur in some people.

Some side effects can only be found when your doctor does tests from time to time to check your progress.

Reporting side effects

After you have received medical advice for any side effects you experience, you can report side effects to the Therapeutic Goods Administration online at www.tga.gov.au/reporting-problems. By reporting side effects, you can help provide more information on the safety of this medicine.

Always make sure you speak to your doctor or pharmacist before you decide to stop taking any of your medicines.

7. Product details

This medicine is only available with a doctor’s prescription.

What DBL Potassium Dihydrogen Phosphate Concentrated Injection contains

Active ingredient
(main ingredient)
Monobasic potassium phosphate
Other ingredients
(inactive ingredients)
Water for injections

Do not use this medicine if you are allergic to any of these ingredients.

DBL Potassium Dihydrogen Phosphate Concentrated Injection does not contain gluten, lactose, sucrose, tartrazine or any other azo dyes.

Each 10 mL ampoule contains 1.361 g of monobasic potassium phosphate. Each mL of injection contains 1 mmol of potassium ions, 1 mmol of phosphate ions and 2 mmol of hydrogen ions.

What DBL Potassium Dihydrogen Phosphate Concentrated Injection looks like

DBL Potassium Dihydrogen Phosphate Concentrated Injection is a clear, colourless solution.

It is available in the following presentation:

  • 1.361 g/10 mL ampoule (AUST R 16263)

Who distributes DBL Potassium Dihydrogen Phosphate Concentrated Injection

Pfizer Australia Pty Ltd
Sydney NSW
Toll Free Number: 1800 675 229
www.pfizer.com.au

This leaflet was prepared in January 2023.

Published by MIMS March 2023