Side Effects Of LosartanNHS medicines information on side effects of losartan and what you can do to cope.Like all medicines, losartan can cause side effects, although not everyone gets them. Side effects often improve as your body gets used to the medicine. Common side effectsThese common side effects of losartan happen in more than 1 in 100 people. There are things you can do to help cope with them: Speak to a doctor or pharmacist if the advice on how to cope does not help and a side effect is still bothering you or lasts more than a few days. Serious side effectsIt happens rarely, but some people have serious side effects after taking losartan. Call a doctor or call 111 straight away if: - the whites of your eyes turn yellow, or your skin turns yellow although this may be less obvious on brown or black skin - this can be a sign of liver problems
- you get severe stomach pain - this can be a sign of an inflamed pancreas
- your skin becomes more pale than usual, you feel tired, faint or dizzy, get purple spots (that come from superficial bleeding into the skin), show any sign of bleeding, or have a sore throat and high temperature - these can be signs of a blood or bone marrow disorder
- you feel weak, have an irregular heartbeat, pins and needles and muscle cramps - these can be signs of changes in the potassium levels in your blood
Serious allergic reactionIn rare cases, it's possible to have a serious allergic reaction (anaphylaxis) to losartan. Long-term side effectsSometimes, taking losartan for a long time can cause your kidneys not to work as well as they should. Your doctor will check how well your kidneys are working with regular blood tests. Other side effectsThese are not all the side effects of losartan. For a full list, see the leaflet inside your medicine packet.
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