Posts By Charles Armstrong, DO

About the Author

Charles Armstrong, DO - Family Medicine

Charles Armstrong, DO, is a District Medical Group physician practicing Family Medicine at Valleywise Community Health Center - Guadalupe and Valleywise Community Health Center – McDowell. He studied medicine at A.T. Still University. Dr. Armstrong completed his residency at Via Christi in Wichita KS. He is board-certified by both the American Osteopathic Board of Family Physicians and American Board of Family Medicine, and is credentialed by the American Academy of HIV Medicine.

Do I Have a Cold Sore or Chapped Lips?

How can you tell the difference between a cold sore and simple chapped lips? It’s important to know before you risk the chance of possibly spreading cold sores to those around you.

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