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Can I take Losartan and Turmeric together?

Guide för läkemedelsinteraktioner

Taking turmeric with losartan may cause your blood pressure to drop lower than intended. It might also increase the amount of losartan that stays in your bloodstream, potentially increasing the risk of side effects like dizziness or kidney strain.

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Varför detta händer

Turmeric (specifically curcumin) has natural blood-pressure-lowering properties that can add to the effects of losartan. Additionally, turmeric may interfere with certain enzymes in the liver (such as CYP2C9) and transport proteins that help clear losartan from your body, leading to higher levels of the medicine in your system.

Use caution if combining these two. If you regularly take turmeric supplements, monitor your blood pressure at home and watch for signs of low blood pressure, such as feeling lightheaded, dizzy, or faint (especially when standing up). It is best to inform your GP or pharmacist before starting high-dose turmeric supplements while on blood pressure medication.

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Graviditet

You must not take losartan if you are pregnant or planning to become pregnant. It can cause serious injury or death to an unborn baby, particularly if used in the second and third trimesters.

High potassium levels (Hyperkalaemia)

Losartan can increase potassium levels in your blood. You should avoid using potassium supplements or salt substitutes containing potassium. Be aware that high-dose turmeric supplements may also contain significant amounts of potassium, which could further increase this risk.

Surgery or use of blood thinners

Turmeric supplements can thin the blood and increase the risk of bleeding. You must stop taking turmeric at least two weeks before any scheduled surgery and consult your doctor if you are already taking anticoagulant or antiplatelet medication.

Alkohol

Drinking alcohol while taking losartan can increase the medicine's blood-pressure-lowering effect. This may make you feel dizzy, lightheaded, or faint, especially when standing up.

It is best to avoid or strictly limit alcohol when taking turmeric supplements. Both alcohol and high doses of turmeric can put strain on the liver; combining them may increase the risk of liver irritation or damage.

Potassium-rich foods (e.g., bananas, spinach, avocados) and salt substitutes

Losartan can increase the levels of potassium in your blood. Consuming large amounts of potassium-rich foods or using salt substitutes containing potassium can lead to dangerously high potassium levels (hyperkalaemia).

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Taking multiple medicines? Our Interaktionskontroll för läkemedel helps you check whether your prescriptions, over-the-counter medicines, and supplements are safe to take together. Simply search for your medicines to see potential interactions and what to do about them.

Ansvarsfriskrivning

Denna information är endast avsedd för allmän utbildning och bör inte användas som en ersättning för professionell medicinsk rådgivning. Rådfråga alltid din läkare, apotekare eller annan kvalificerad vårdpersonal innan du fattar beslut om dina mediciner. Individuella omständigheter kan variera, och endast en vårdpersonal som känner till din medicinska historia kan ge personlig vägledning.

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Artikelhistorik

Informationen på denna sida är skriven och granskad av kvalificerade kliniker.

  • 25 jan 2026 | Ursprungligen publicerad
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