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Cold Sores

Also indexed as:Fever Blisters, Herpes Simplex 1

As soon as a cold sore appears, you’re ready for it to disappear. According to research or other evidence, the following self-care steps may be helpful.

The right diet is the key to managing many diseases and to improving general quality of life. For this condition, scientific research has found benefit in the following healthy eating tips.

Recommendation	Why	Get started
Eat more high-lysine, and fewer high-arginine, foods	A diet that is high in lysine (found in nonfat yogurt and other nonfat dairy) and low in arginine (found in nuts, peanuts, and chocolate) may help prevent or treat cold sores.	Learn More
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The information presented by TraceGains is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. Self-treatment is not recommended for life-threatening conditions that require medical treatment under a doctor's care. For many of the conditions discussed, treatment with prescription or over the counter medication is also available. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires December 2025.