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Doctor insights on: Allergies Itchy Red Bumps

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How can I determine if these itchy red bumps are bedbug bites or allergies?

Distribution: Hives usually occur all over the body. Bedbug bites are usually limited to the legs and abdomen. Hives will respond to an antihistamine while bedbug bites wont. ...Read more

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Dr. John Chiu
2,390 doctors shared insights

Allergies (Definition)

Essentially allergies occur when your immune system goes crazy and decides to has to fight against things it should be ignoring. The immune system of people without allergies simply ignores the pollen in the air or the dander on their cat while an allergic person's immune system creates cells to fight against the pollen or dander. The allergic reaction causes the ...Read more


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I have non itchy, red bumps on my elbows, knuckles, knees, and thighs. Not allergy or psoriasis. Had a fever last week don't know if it's related. what could it be?

I have non itchy, red bumps on my elbows, knuckles, knees, and thighs. Not allergy or psoriasis. Had a fever last week don't know if it's related. what could it be?

Viral rash: Many viruses can cause a rash in addition to other symptoms such as fever and cough. Many of these rashes are not specific or characteristic enough to identify the virus. The viral rash itself is not usually serious. But it is very important to make sure the rash is not part of a serious infection such a meningococcal infection. If you have any concerns then contact your doctor immediately. ...Read more

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I have small itchy red bumps?

I have small itchy red bumps?

Red bumps: Can be from different causes such as dry skin, skin infection, etc. For a proper diagnosis, you need to see a doctor to look at them and help you with the diagnosis and treatment. ...Read more

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I have itchy red bumps on my forearms? What could it be? Do I need to get them checked out?

I have itchy red bumps on my forearms? What could it be? Do I need to get them checked out?

ITCHY BUMPS FOREARM: Yes, you need to have it checked. It is better seen and diagnosed to give the right rx. It could be insect bites, skin allergy or viral infection. ...Read more

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I have itchy red bumps help, remedy?

I have itchy red bumps help, remedy?

Hives: These itchy bumps may be hives due to allergy to agents taken internally(foods, medications, etc) or by exposure to external things(cold, exercise, etc) insect bites may also be a cause. Keep a diary of what you ate or what you were doing when the itchy bumps appeared. Benadryl may offer relief but can cause drowsiness. Claritin is less effective but does not cause drowsiness. ...Read more

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How come i get itchy red bumps on me all of a sudden?

How come i get itchy red bumps on me all of a sudden?

Hives: These itchy bumps may be hives due to allergy to agents taken internally(foods, medications, etc) or by exposure to external things(cold, exercise, etc) insect bites may also be a cause. Keep a diary of what you ate or what you were doing when the itchy bumps appeared. Benadryl may offer relief but can cause drowsiness. Claritin is less effective but does not cause drowsiness. ...Read more

Red Bumps (Definition)

Red bumps is a symptom in which a person has a rash of raised spots on the skin, and the spots are redder than the normal skin. Redness is usually caused by increased blood (red colored) in the reddened area. Increased blood flow can be due to allergies, infection, hormonal changes, ...Read more


Dr. Doanh Nguyen
592 doctors shared insights

Itchy Rash (Definition)

Most itchy rashes are called eczema or dermatitis. Both are due to ...Read more