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Is there a cure for toenail fungus?

Is toenail fungus always curable, or does it sometimes get beyond that point? I've got a case of toenail fungus that I've tried the over the counter treatments on and it hasn't even affected it. I guess I could live with this, but I just need the blunt truth.
Onychomycosis refers to fungal infection of the fingernails or toenails, and is a common problem, especially within the elderly population. While the infection may cause the nail to become thicker and give it a yellowish, whitish or brownish appearance, the actual infection does not usually cause any symptoms that are bothersome. Therefore, the usual reason that patients request treatment is for cosmetic purposes. Superficial infections of the nail plate may respond to topical treatment with anti-fungal medication. However, any deep-seated infection of the nail will require oral systemic medication. Oral medication may be combined with removal of the nail plate if the nails are extremely thick. Newer medications such as fluconazole, itraconazole and terbinafine have come onto the market and have led to greater response rates than older medications; they have the added benefit of requiring shorter courses of treatment and causing fewer side effects as well. Eradication of fungal infections of the toenail typically require at least 3 months of treatment, and may require up to 6 months in some patients. Fingernail infections tend to respond better, and may only require 6 weeks of treatment for complete eradication to occur. You should see your primary care physician to discuss the different options that are available.
This answer is for general informational purposes only and is not a substitute for professional medical advice.
If you think you may have a medical emergency, call your doctor or (in the United States) 911 immediately. Always seek the advice of your doctor before starting or changing treatment. Medical professionals who provide responses to health-related questions are intended third party beneficiaries with certain rights under Zocdoc’s Terms of Service.

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