Pharmacy Clinical Pearl of the Day: Cold Sore

Clinical Pearl of the Day: Cold Sore

Cold sores, also called fever blisters, are a common viral infection.

Insight:

• Cold sores are tiny, fluid-filled blisters on and around your lips. These blisters are often grouped together in patches.
• After the blisters break, a scab forms that can last several days.
• Cold sores usually heal in 2 to 3 weeks without leaving a scar.
• Cold sores spread from person to person by close contact, such as kissing
• They're usually caused by herpes simplex virus type 1 and, less commonly, herpes simplex virus type 2.
• Symptoms include tingling, itching, blisters, oozing, and crusting.
• Treatment options may include acyclovir (Zovirax), valacyclovir (Valtrex), famciclovir, and penciclovir (Denavir).
• Other treatment options may include lip balms, applying cold compress, rest, and pain relievers.

Sources:

• Cold sore - Diagnosis and treatment - Mayo Clinic
• cold sore image - Google Search