Switching from Losartan to Valsartan?

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Hello, Losartan 50 mg (25 mg taken twice daily) recently quit working for me, so I am switching from Losartan to Valsartan 80 mg (initially taken once daily).  Both are ARBs and I understand this is an equivalent dose.  Has anyone ever done this and is there a rebound blood pressure increase or other side effects when switching between these two ARBs? I experienced that when switching from Lisinoprol (ACE inbibitor) to Losartan about one year ago.  Thanks if you have done this amd have perspective.

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3 Replies

  • Posted

    Yes I have done this several times because of manufacturing or similar problems. Sometimes I have experienced slight differences in blood pressure, but it seems to settle down and become stable quite quickly. Currently on Valsartan.  Good luck. 
    • Posted

      Thanks Betty, I switched this morning.  The Valsartan makes me a little bit dizzy, but that could be from going from twice daily dosing to a single morning dose.  Have you had better luck with either of the two medications?
    • Posted

      Valsartan seems to suit me - everyone is different!  Blood pressure went up when I had to suddenly stop another usual medication. Now, settling down as they had to increase my Valsartan slightly. Yes, when I first started on Valsartan I had the odd dizzy spells. If it goes on for long go back and speak to a doctor - they all seem to have different ideas!

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