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Cold Sores

Cold sores are caused by herpes simplex virus. Learn about triggers and treatment options.

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Common Symptoms

Tingling before outbreak
Small fluid-filled blisters
Oozing and crusting
Pain
Itching
Fever
Swollen lymph nodes

When to See a Doctor

  • First outbreak
  • Severe outbreak
  • Spreading to eyes
  • Weakened immune system
  • Frequent outbreaks
  • Not healing in 2 weeks
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Home Care Tips

Antiviral creams
Ice
Avoid triggers
Lip balm with SPF
Keep area clean
Avoid touching sores

* These are general tips. Consult a healthcare provider for personalized advice.

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