Harvard Health Letter

More on toenail fungus

Editor's note: After Dr. Kenneth Arndt answered a question about toenail fungus in the October 2009 Health Letter, a number of readers sent us their favorite remedies. We asked Dr. Arndt to comment on several of them.

African tree oil. Patients come in all the time asking about using African tree oil for various skin problems. There's some in vitro [test-tube] evidence that it has antimicrobial activity and maybe works against Candida albicans fungus in particular. It may work, but it's hard to imagine that it could penetrate deep enough into the toenail to have an effect.

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