Accidentally Took Double Dose of Losartan

Losartan, sold under the trade name Cozaar among others, is a medication mainly used to treat high blood pressure. It is also used for diabetic kidney disease, heart failure, and left ventricular enlargement. It is taken by mouth. It may be used alone or in addition to other blood pressure medication.

The most common error people make with their medicines is taking – or giving – a double dose. Or, someone gets distracted and takes a prescription medicine once – and then again. For some medicines, an extra dose can cause problems. For example, too much blood pressure medicine could make you light-headed. Too much diabetes medicine can cause low blood sugar. And, you could run out of a medicine too soon.


What to do if you accidentally took double dose of Losartan

The tablets should be swallowed with a glass of water. You should try to take your daily dose at about the same time each day. It is important that you continue to take Losartan tablets until your doctor tells you otherwise.

If you take more Losartan tablets than you should or you accidentally take too many tablets, or a child swallows some, contact your doctor immediately. Symptoms of overdose are low blood pressure, increased heartbeat, possibly decreased heartbeat. If you forget to take Losartan tablets or  you accidentally miss a daily dose, just take the next dose as normal. Do not take a double dose to make up for a forgotten tablet. If you have any


How long does it take for losartan to get out of your system?

After a losartan dose, the body converts it to an active metabolite. The metabolite provides much of losartan’s blood pressure lowering effects. The losartan half-life is about 2 hours and the metabolite half-life is 6 to 9 hours. This means it can take a couple of days to clear losartan and its metabolite from your system.


What is the most important information I should know about Losartan?

You should not use losartan if you are allergic to it.

If you have diabetes, do not use losartan together with any medication that contains aliskiren (a blood pressure medicine).

You may also need to avoid taking losartan with aliskiren if you have kidney disease.

Do not use if you are pregnant, and tell your doctor right away if you become pregnant. Losartan can cause injury or death to the unborn baby if you take the medicine during your second or third trimester.

Tell your doctor if you have ever had:

  • kidney disease;


  • liver disease;


  • congestive heart failure;


  • an electrolyte imbalance (such as high levels of potassium in your blood);


  • if you are on a low-salt diet; or


  • if you are dehydrated.

You should not breast-feed while using this medicine.

Losartan is not approved for use by anyone younger than 6 years old.


What are the side effects of Losartan?

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have:

  • a light-headed feeling, like you might pass out;


  • pain or burning when you urinate;


  • high potassium level–nausea, weakness, tingly feeling, chest pain, irregular heartbeats, loss of movement; or


  • kidney problems–little or no urination, rapid weight gain, painful or difficult urination, swelling in your hands, feet, or ankles.

Common side effects may include:

  • dizziness;


  • back pain; or


  • cold symptoms such as stuffy nose, sneezing, sore throat.


This is not a complete list of side effects and others may occur.

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