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amber_sherman2026-04-17

I've been dealing with nail fungus for months and my doctor prescribed Myco-Nail A 25% Soln 30ml. It's undecylenic acid, which is supposed to stop the growth of the fungus. I've read about some potential side effects, including allergic reactions and irritation at the application site. Has anyone else used this? How effective was it for you? Did you experience any side effects? I'm a bit nervous about the potential for severe reactions, so any insights would be greatly appreciated.

1 min read
last active 4/17/2026
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Comments (5)

A
abigail_andrews4/14/2026

I think the key is to use it consistently. I missed a few applications and it didn't work as well.

L
linda_fernandez4/14/2026

I had no idea undecylenic acid could cause such problems, but it looks like it's effective for many people.

J
justin_vargas4/14/2026

Be careful. I had trouble breathing after using it. Turns out I was allergic. Had to go to the ER.

C
christine_powell4/14/2026

I had a mild irritation but it went away after a few days. No big deal.

M
martha_lane4/14/2026

I didn't really notice any improvement. I'm thinking of switching to something stronger.