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Doctor insights on: Hydrogen Peroxide Cold Sores

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Can you put hydrogen peroxide on lip blister or cold sore?

Can you put hydrogen peroxide on lip blister or cold sore?

Yes: It may burn and will not cure the lesion. Cold sores are viruses and acyclovir may be needed. ...Read more

Dr. Heidi Fowler
1,054 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 very contagious and can be spread by mouth to mouth contact and can spread to the genitalia and cause genital ...Read more


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Was told a couple drops of 3% hydrogen peroxide will cure a cold, is this true?

Was told a couple drops of 3% hydrogen peroxide will cure a cold, is this true?

No: This will not work. The only way to get rid of a cold is let your body get rid of the virus that causes it. Medications treat only your body's response to the virus. ...Read more

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Why is there no medical consensus on the benefits of rinsing with 3% hydrogen peroxide? Is it effective for small sores and infections or not?

Why is there no medical consensus on the benefits of rinsing with 3% hydrogen peroxide? Is it effective for small sores and infections or not?

An old folk remedy: This is an old folk remedy. I doubt there has ever been any research on it, therefore no consensus. My guess is that rinsing with peroxide has no benefit for "small sores" or any kind of infection makes any difference for any ...Read more

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I heard a cold/sinus inf. Can be prevented or shortened by putting a bit hydrogen peroxide in ears. That dangerous? Effective? How should I apply it?

I heard a cold/sinus inf. Can be prevented or shortened by putting a bit hydrogen peroxide in ears. That dangerous? Effective? How should I apply it?

No: Hydrogen peroxide in the ear canals may be effective for wax removal, however has nothing to do with a cold or sinus infection. The ear drum (tympanic membrane) separates the ear canal from the middle ear and eustachian tube, unless there is a hole in the ear drum. Remember, you can "spray the front window of the house with a hose, the people in the living room won't get wet." ...Read more

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What does hydrogen peroxide do for cuts?

What does hydrogen peroxide do for cuts?

Mild disinfectant: May be used in small quantities as a wound disinfectant. Mild soap and water irrigation just as effective for most minor wounds. Key is copious irrigation with water, i.E "the solution to pollution is dilution". ...Read more

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Is it ok / can someone gargle with hydrogen peroxide?

Is it ok / can someone gargle with hydrogen peroxide?

Mucosal damage: Can hurt the mucosa - to help you further if you are doing this for whitening teeth a better way is to rinse with orthophosphoric acid available as super phosphazyme by biotics cost $15 use 10-15 drops with water rinse then brush acid off with baking soda - will whiten teeth and eliminate odor. I do not like hydrogen peroxide for mouth or in fresh cuts - will cause more harm than good. ...Read more

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Is hydrogen peroxide the best way to keep a wound clean?

Is hydrogen peroxide the best way to keep a wound clean?

No.: Peroxide may cause cellular damage and inhibit repair of tissues. ...Read more

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Is 3% hydrogen peroxide safe to use and how much should be used?

Is 3% hydrogen peroxide safe to use and how much should be used?

SAFE FOR SHORT TERM: It is safe for short term but if used over long term it can be damging to the teeth. Talk to your dentist and get a second opinion. ...Read more

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What are ways to remove or reduce hydrogen peroxide from the body?

What? And why?: I am not aware how you can measure hydrogen peroxide in human body or if there is an indication to reduce it or why and what kind of disease it can cause
I am aware the they use it in the past to treat heavy metal poisoning
can you clarify your question
thank you for using health tap ...Read more

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Can hydrogen peroxide ruin enamel?

Can hydrogen peroxide ruin enamel?

Probably not...: Peroxide has been safely used in tooth bleaching products for many years. However, don't forget, hydrogen peroxide is very reactive and should only be used for very limited usage in the mouth. Daily application in the mouth is probably not a good idea. ...Read more

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Is it safe to use expired hydrogen peroxide?

Is it safe to use expired hydrogen peroxide?

Yes but...: Hydrogen peroxide h2o2 is comprised of h2o (water) and an unstable form of oxygen once its expired and the oxgen is removed you are left with water or weak peroxide. ...Read more

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Can I use hydrogen peroxide to treat my toothache?

Can I use hydrogen peroxide to treat my toothache?

NO: While diluted 3% hydrogen peroxide is sometimes used to treat or soothe gum problems, sores and cuts in your mouth, it will do nothing to help a toothache. In fact, it may make things worse. You need to see a dentist to determine the cause of your toothache and suggest appropriate treatment. ...Read more

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What adverse affects are there for taking food grade hydrogen peroxide?

What adverse affects are there for taking food grade hydrogen peroxide?

Not much: Not much, it is used to clean breast feeding implements, pumps, etc. I would think taking too much of anything is bad for you, but people use it to gargle with, then spit it out, but I'm sure still swallow some. ...Read more

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Can hydrogen peroxide help infections?

Can hydrogen peroxide help infections?

Hydrogen Peroxide: Hydrogen peroxide (H2O2) is not very good as an antiseptic. Cleaning injured skin with hydrogen peroxide may lead to tissue damage. Although hydrogen peroxide was often used in the past for wound care – that is not recommended. It may delay healing. ...Read more

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Is hydrogen peroxide good for sinuses?

Is hydrogen peroxide good for sinuses?

Not likely: Peroxide releases oxygen and could cause a chemical burn. It is not recommended for sinuses. ...Read more

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Can I use hydrogen peroxide on eczema?

Can I use hydrogen peroxide on eczema?

This would not...: Be a good primary treatment for eczema because of his drying effect. I will have patients use it sometimes in the ear canals where there is a fungal infection and also eczema. As soon as the fungus is cleared the peroxide is discontinued and the eczema is treated differently. ...Read more

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Could hydrogen peroxide help infections?

Could hydrogen peroxide help infections?

Peroxide: While used for decades, we do not like the use of hydrogen peroxide on open wounds. While it can destroy bacteria in a wound, hydrogen peroxide is also toxic to healthy cells that are needed to heal a wound. ...Read more

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Can hydrogen peroxide lighten age spots?

Can hydrogen peroxide lighten age spots?

No: See a dermatologist or your family doctor for a more effective treatment for age spots. ...Read more

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Can you use hydrogen peroxide for boils?

Can you use hydrogen peroxide for boils?

Won't help: Boils will not improve with the use of topical treatments. They need to be soaked frequently with hot salt or boric acid in water until they come to a head and drain. If they become large they may require surgical incision and drainage. Sometimes antibiotic pills that cover staphylococcus aureus, the usual bacterial cause of boils, need to be given as well. ...Read more

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Is it ok to use hydrogen peroxide for bv?

Is it ok to use hydrogen peroxide for bv?

Hydrogen peroxide: Hydrogen peroxide can damage your healthy tissues too.. Not recommending. ...Read more

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Does hydrogen peroxide harm your taste buds?

Peroxide rinse: Hydrogen peroxide is not recommended as a daily rinse. It can irritate the soft tissue and mucosa with regular exposure. ...Read more

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How can hydrogen peroxide soothe an earache?

How can hydrogen peroxide soothe an earache?

Earache: Possibly. If the ache is due to wax impaction then it can help. Also if a low grade infection, but I recommend having someone look before you decide on doing that. If you have a hole in your eardrum, peroxide is unpleasant. ...Read more

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Will you die from swallowing hydrogen peroxide?

Will you die from swallowing hydrogen peroxide?

What concentration?: Per the National Capital Poison Center: consumption of concentrated hydrogen peroxide (H2O2) has lead to deaths. Http://www. Poison. Org/poisonpost/june2012/hydrogenperoxide. Htm). Ingestion of concentrated H2O2 can lead to venous or arterial gas embolism, distention of hollow viscus with rupture, & respiratory tract obstruction/ pulmonary aspiration. Laryngospasm, coma, convulsions, confusion, > ...Read more

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Can hydrogen peroxide really clear BV for good?

Can hydrogen peroxide really clear BV for good?

Hydrogen peroxide: Hydrogen peroxide can kill the germs meanwhile destroy the healthy tissues too. I don't normally advise using it. ...Read more

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Is it okay to use hydrogen peroxide on my face?

Is it okay to use hydrogen peroxide on my face?

No: It will dry out your skin and may kill your normal skin bacteria. Use a mild soap and water, rinse well. ...Read more

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Does hydrogen peroxide give oxygen to your face?

Does hydrogen peroxide give oxygen to your face?

No. Just the opposit: While hydrogen peroxide (H2O2) contains a good deal of oxygen, when it comes in contact with oxygen-containing tissue, like blood, it actually releases oxygen, which goes into the air. While many people use it for wound care, it has been shown to actually delay healing. It is, however, good for cleaning out a dirty wound initially. ...Read more

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Can someone have an allergy to hydrogen peroxide?

Can someone have an allergy to hydrogen peroxide?

Oxcidizing: I am assuming that your skin started turning white, if so then it is not an allergic reaction it is just a layer of your skin cells oxidizing. ...Read more

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Can hydrogen peroxide be used to cleanse candida?

Can hydrogen peroxide be used to cleanse candida?

No: H2o2 is okay to use for a quick wound cleaner. It does not help with any fungal/mold infection. ...Read more

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Can using hydrogen peroxide on wounds damage skin?

Can using hydrogen peroxide on wounds damage skin?

Yes: This product has been shown to be toxic to new cells that are trying to heal your wound. It should not be used as a wound cleanser except to cleanse a dirty wound that has just been created from trauma. ...Read more

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Does 35% food grade hydrogen peroxide kills cancer?

Does 35% food grade hydrogen peroxide kills cancer?

No.: It can kill patients, but not cancer. Promoting hydrogen peroxide to treat cancer is a dangerous quackery. Avoid it. ...Read more

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Can using hydrogen peroxide as mouthwash be harmful?

Can using hydrogen peroxide as mouthwash be harmful?

Manual Brush +: Remember that mouthwash does not take the place of proper teeth cleaning:
1) use a soft manual toothbrush.
2) place the brush where the teeth and the gum join together.
3) move the brush in circles.
4) do all teeth this way on the face side and the tongue side.
5) follow up with a water pik spraying water in circles same places. ...Read more

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Can I use hydrogen peroxide to relieve constipation?

Can I use hydrogen peroxide to relieve constipation?

Miralax (polyethylene glycol): I recommend drinking lots of water and using miralax, (polyethylene glycol) this type of fiber works with your body and doesn't necessarily force you to use the bathroom but lets you decide when you want to go. Each person has different reactions to fiber and some can cause bloating to some while others to have the same symptoms, so it is important to try a few to see which one works best for you. ...Read more

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What percent hydrogen peroxide to clean an infected wound?

What percent hydrogen peroxide to clean an infected wound?

0%: Hydrogen peroxide is currently not recommended for any type of wound as it impedes healing. Ask a doctor who has seen the wound, sterile saline comes to mind. ...Read more

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Hydrogen peroxide or witch hazel on cuts, which is better?

Hydrogen peroxide or witch hazel on cuts, which is better?

Cuts: Hydrogen peroxide (H2O2) is not very good as an antiseptic. Cleaning injured skin w hydrogen peroxide may lead to tissue damage. Although hydrogen peroxide was often used in the past for wound care – that is not recommended. It may delay healing. Witch hazel is a plant extract which was used medicinally by American Indians. It has astringent & antioxidant qualities & may help to heal broken skin ...Read more