I would say about 3 weeks or so. Hope you feel better soon!

Something similar happened to me last year when I had covid. I stopped the daily rinses altogether to allow for the balance to be restored. Now I only rinse like once a week and it feels back to normal.

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Here is Gizmo, aka "Mouth of the South"

I have been on Dupixent for nasal polyps and asthma as of June. It has completely cleared up my polyps, and I can smell and taste again like normal. I was 90% blocked prior to Dupixent, and have been through 2 surgeries. You may see a lot of people mention side effects, but it seems to react differently person to person. I've had an eye twitch and joint pain that seems to come and go randomly. Other than that, it truly is a game changer for me.

Try Ayr gel, you can get it at CVS or Walgreens. My allergist recommended it and it really helps me.