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Doctor insights on: Is Benzoyl Peroxide Helpful For Curing Cold Sores

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Dr. Heidi Fowler
1,014 doctors shared insights

Cold Sore (Definition)

Also referred to as fever blisters, cold sores are small, painful fluid-filled blisters that are usually found around the lips. Cold sores are generally caused by the herpes simplex virus 1 which is related to herpes simplex virus 2 that causes genital herpes. Cold sores are very contagious and can be spread by mouth to mouth contact. They can spread to the genitalia and cause genital ...Read more


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I used ice to numb the pain on the two remaining ulcers lesions sores whatever applied hot water salt benzoyl peroxide also gargled with hotwatersalt ?

I used ice to numb the pain on the two remaining ulcers lesions sores whatever applied hot water salt benzoyl peroxide also gargled with hotwatersalt ?

Lip: Looks like cold sores by the picture. If theres some in the mouth as well, id gargle with one tsp salt 8 oz warm water. Keep the lip moist. There are OTC lip creams as well for this ...Read more

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Is benzoyl peroxide 5% photosensitive? Should I use it only at night ?

Is benzoyl peroxide 5% photosensitive? Should I use it only at night ?

Yes and no.: Benzoyl peroxide can cause photosensitivity, but that doesn't mean you're restricted to using it at night. Apply a good broad-spectrum sunscreen (spf 30 or higher) every morning, and limit yourself to a sensible amount of sun exposure. And you'll want to stay out of tanning beds as well. ...Read more

Dr. Gregory Moneta
279 doctors shared insights

Benzoyl Peroxide (Definition)

Benzoyl peroxide is an acne agent which is a ...Read more


Dr. M. Hytham Beck
186 doctors shared insights

Clearasil (Definition)

Clearsil is an acne agent which is a ...Read more