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Doctor insights on: What Is The Difference Between Poison Oak Rash And Amoxicillin Rash

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Hi I have poison oak rashes under my kneecap and around that area. I was just wondering when you know it is starting to heal.

Hi I have poison oak rashes under my kneecap and around that area. I was just wondering when you know it is starting to heal.

You left out too muc: Where do you live? Are you sure of the cause of this? "Poison Oak" is in western US. The rash is an allergic reaction. It would be unusual for it to be confined to the area described and unusual to be the same on both sides. Eczema is common behind the knees. The duration depends on the diagnosis, 4 weeks after contact with a plant, much longer if eczema. Both respond to prescription cortisones. ...Read more

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Amoxicillin (Definition)

Amoxicillin is in the penicillin class of antibiotics. All penicillins are distinguished by the presence of a beta-lactam ring, and are known to kill bacteria by inhibiting synthesis (production) ...Read more


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What does a poison oak rash usually look like?

What does a poison oak rash usually look like?

Streaks of blisters: Poison ivy, oak, and sumac are plants that contain an oil (urushiol) which can cause a rash called allergic contact dermatitis when they touch your skin. The rash appears as itchy blisters (fluid filled bumps) or hives distributed classically in lines or streaks where the plant brushed against the skin. The rash usually appears 1-2 days from contact, but can occur up to 2 weeks after exposure. ...Read more

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How do you know if a rash was caused by poison oak?

How do you know if a rash was caused by poison oak?

Poison Oak Rash: Typically an itching, red rash with bumps or blisters in a linear pattern or wherever the oil touched. The rash does not spread by the fluid from the blisters. Therefore, once a person has washed the oil completely off the skin, the rash is usually not contagious. ...Read more

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Poison oak rash is gone but itch is still there what can I do?

Poison oak rash is gone but itch is still there what can I do?

OTC products: Over the counter products such as calamine lotion or oral antihistamines such as Claritin (loratadine) or Allegra are helpful. For prevention ivyblock prior to yardwork or hiking is helpful. Washing within one hour of exposure with tecnu or zanfel soap can minimize reactions. Wear long sleeves when doing yardwork or have someone else do it for you. Wash clothes right away and pets can carry the oil on them. ...Read more

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How to treat poison oak rash?

Here are some videos: https://www.youtube.com/watch?v=tmsmzs_4bdc https://www.Youtube.Com/watch?V=tmsmzs_4bdc i hope that they help. ...Read more

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How long does it take for poison oak rash to appear on the skin?

Not immediate: The reaction to poison ivy and poison oak is called "delayed hypersensitivity" because it usually takes 48-72 hours for a rash to start after the exposure. ...Read more

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What's good to cure rash from poison ivy and poison oak?

What's good to cure rash from poison ivy and poison oak?

Poison Ivy: The best therapy is a prolonged dose of oral steroids, typically 10 or more days. Tapering steroid packs such as a 10 or 13 day "dexpak" is most effective. Shorter durations of steroids will often result in return of the rash. ...Read more

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What do you think of this super-itchy arms rash? Could it be poison oak?

What do you think of this super-itchy arms rash?  Could it be poison oak?

Cannot see the pic: Typically a reactions such as poison oak will occur on the skin after the touch in that area with the offending agent, if you have been sensitized to that allergen. ...Read more

Dr. John Chiu
2,616 doctors shared insights

Skin Rash (Definition)

A skin rash is a symptom in which a person has changes on part or all of his skin, such as color changes, bumps, blisters, oozing, peeling, ...Read more


Dr. Philip Miller
1,125 doctors shared insights

Amoxil (Definition)

Amoxil is a third generation penicillin which is a kind of penincillin type drug (anti-bacterial ...Read more