Hoppa till huvudinnehåll

Can I take Rivaroxaban and Tamsulosin together?

Guide för läkemedelsinteraktioner

There is no direct interaction between rivaroxaban and tamsulosin that would change how either medicine works in your body. However, both medicines can occasionally cause dizziness or lightheadedness, especially when standing up quickly. Taking them together might slightly increase the chance of feeling faint.

Video picks for Läkemedelsinteraktioner

Fortsätt läsa nedan

Varför detta händer

Rivaroxaban is an anticoagulant (blood thinner) and tamsulosin is an alpha-blocker used for prostate symptoms. They are processed by different pathways in the liver and do not interfere with each other's levels. The only shared effect is a potential for low blood pressure or dizziness (pharmacodynamic overlap), though this is uncommon.

It is generally safe to take these two medicines together. To stay safe, take care when getting out of bed or standing up from a chair, as you may feel slightly dizzy. If you experience significant lightheadedness, fainting, or unusual bruising, speak with your doctor.

Fortsätt läsa nedan

Postural hypotension (Dizziness)

Tamsulosin can cause a sudden drop in blood pressure when you stand up, especially after the first dose. Move slowly from lying to sitting or standing to avoid fainting or falls.

Bleeding risk

Rivaroxaban significantly increases your risk of serious bleeding. Seek immediate medical help if you have a fall or head injury, or if you notice signs of internal bleeding such as black tarry stools, coughing up blood, or persistent nosebleeds.

You must tell any doctor, dentist, or surgeon that you are taking rivaroxaban before any procedure, as they significantly increase your risk of bleeding and may need to be stopped temporarily.

NSAID use (e.g. ibuprofen, naproxen)

Do not take anti-inflammatory painkillers like ibuprofen or naproxen while on rivaroxaban unless specifically prescribed, as this combination severely increases the risk of dangerous internal bleeding.

Cataract surgery (Floppy Iris Syndrome)

If you are planning to have cataract or glaucoma surgery, you must tell your eye surgeon you are taking tamsulosin. It can cause the iris to become 'floppy' during the procedure, which requires the surgeon to use a different technique.

Alkohol

It is best to avoid or strictly limit alcohol while taking these medicines. For rivaroxaban, alcohol can increase the risk of stomach bleeding. For tamsulosin, alcohol can worsen side effects like dizziness, lightheadedness, and fainting by further lowering your blood pressure.

Food (General)

You must take the 15mg and 20mg doses of rivaroxaban with food. Taking them on an empty stomach significantly reduces the amount of medicine absorbed by your body, making it less effective at preventing blood clots. The 2.5mg and 10mg doses can be taken with or without food.

Fortsätt läsa nedan

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.

Fortsätt läsa nedan

Artikelhistorik

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

  • 25 jan 2026 | Ursprungligen publicerad
flu eligibility checker

Fråga, dela, anslut.

Bläddra i diskussioner, ställ frågor och dela erfarenheter inom hundratals hälsorelaterade ämnen.

symptom checker

Känner du dig sjuk?

Bedöm dina symtom online gratis

Anmäl dig till Patientens nyhetsbrev

Din veckovisa dos av tydliga, pålitliga hälsoråd - skrivna för att hjälpa dig känna dig informerad, självsäker och i kontroll.

Vänligen ange en giltig e-postadress

By subscribing you accept our Sekretesspolicy. Du kan avsluta prenumerationen när som helst. Vi säljer aldrig dina uppgifter.