Consumer Medicine Information (CMI) summary
The full CMI at the link below has more details. If you are worried about using this medicine, speak to your doctor or pharmacist.
View the full CMI (PDF)
1. Why am I taking Lasix?
Lasix contains the active ingredient furosemide. Lasix is a diuretic. It is used to help reduce the amount of excess fluid in the body.
For more information, see Section 1. Why am I using Lasix? in the full CMI.
2. What should I know before I take Lasix?
Do not take Lasix if you have ever had an allergic reaction to furosemide, sulfonamides (e.g. ‘sulfur antibiotics’), sulfonylureas 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, are pregnant or plan to become pregnant or are breastfeeding.
For more information, see Section 2. What should I know before I take Lasix? in the full CMI.
3. What if I am taking other medicines?
Some medicines may interfere with Lasix 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 do I take Lasix?
You can take Lasix oral solution with water. Lasix injections are normally administered to you by doctors or nurses in hospital. More instructions can be found in Section 4. How do I take Lasix? in the full CMI.
5. What should I know while taking Lasix?
Things you should do
Remind any doctors, dentists or pharmacists that you are taking Lasix.
Make sure you drink enough water during any exercise and during hot weather when you are taking Lasix, especially if you sweat a lot.
Tell your doctor straight away if you become pregnant or intend to become pregnant.
Things you should not do
Do not eat large amounts of liquorice or take large amounts of laxatives while you are taking Lasix.
Things to be careful of
If you feel light-headed, dizzy or faint, get up slowly when getting out of bed or standing up.
If you take Lasix for a long time, check with your doctor to determine whether or not you should eat more potassium-containing foods or take potassium supplements.
If your skin becomes more sensitive to the sun, wear protective clothing, including a hat and sun block
when you are outside.
Driving or using machines
Lasix may cause dizziness or light-headedness in some people. If this happens, do not drive or operate machines.
Drinking alcohol
It is not recommended that you drink alcohol while taking Lasix.
Looking after your medicine
Lasix oral solution should be stored in the original bottle in a cool dry place where the temperature stays below 25°C until ready to use.
Lasix injection is usually stored in the pharmacy or on the ward in a cool dry place, protected from light, where the temperature stays below 25°C.
For more information, see Section 5. What should I know while taking Lasix? in the full CMI.
6. Are there any side effects?
Very serious side effects may include sudden signs of allergy such as rash, itching or hives on the skin, swelling of the face, lips, tongue or other parts of the body, shortness of breath, wheezing or trouble breathing, chest pain, yellowing of the skin or eyes (jaundice), lockjaw, fainting or a rapid, weak pulse.
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.
View the full CMI (PDF)