Your blood may need to be tested regularly to make sure your treatment is going just as planned. If there is something wrong and the reaction of your body causes concerns, your health care provider may recommend taking less of this medicine. Your kidney or liver function may also need to be tested. While taking Lasix it may be easier for you to get dehydrated. Make sure you drink plenty of water and get enough potassium in your diet. Your doctor will provide you will other recommendations. In case of taking Lasix for high blood pressure, make sure you keep taking it for as long as prescribed – which may well mean you will need to be taking it all the time. High blood pressure may go without symptoms. If you are taking the liquid form of Lasix, make sure you always measure the right amount of this medicine. Taking more is unlikely to bring better effects, and can only make things worse. You will be given a special dose-measuring device that you will be supposed to use every time. It’s important that you use the liquid form of Lasix within 3 months from the moment you opened the bottle unless otherwise recommended by your health care provider. Make sure you ask your health care provider about the period during which your medicine can be used. Your dose of Lasix may be changed occasionally to make sure you are benefitting from the treatment. Do not change the dose yourself, without talking to your health care provider, as there may be a number of contraindications for you to take into consideration. In some cases you may be required to take this medicine only once, but regular use is a lot more common. If you happened to miss a dose, make sure you take or tablet of Lasix as soon as you remembered about it. However, things should be different if you remembered too late and will need to take another dose very soon. In that case you will be required to skip the dose missed and take the one you are supposed to take as planned. Never take a double dose of Lasix, as this is not how medicines of this kind work. The more does not always mean the better, and you can end up suffering from some undesirable side effects that could be avoided. If you have taken too much of Lasix, this will need to be reported to your health care provider as soon as possible. The following symptoms may indicate an overdose and will need to be reported immediately: loss of appetite, ringing in your ears, dizziness, lightheadedness, fainting, confusion, and weakness. If these symptoms get more severe with every minute – seek emergency medical help. Make sure you throw away any medicine that has not been used, as Lasix can be dangerous if used past its expiration date. Avoid taking Lasix along with other medications unless your doctor is aware of that and never give this medicine other people that have no prescription. They may require a dose different from yours due to some medical issues, and you simply don’t have the knowledge necessary to determine what needs to be done and which dose of Lasix they need to be using.