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Doctor insights on: Can Allergic Reaction From Calcium Cause A Rash

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Dr. John Chiu
2,628 Doctors shared insights

Allergies (Definition)

Allergies occur when your immune system is triggered by envirionmental factors it should ignore--for example, pollen in the air, or dander on a cat or dog--and creates cells to fight against them. An allergic reaction typically causes itching, congestion, or drainage, and ...Read more


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How can you tell if a rash is caused by an allergic reaction or something else?

How can you tell if a rash is caused by an allergic reaction or something else?

Can't: There's an old saying in dermatology: you can't diagnosis a rash over the phone. I even get confused after seeing some rashes. Generally, allergic rashes are welts but some allergic rashes are small red dots. Best to see your dermatologist. ...Read more

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Could an allergic reaction cause a rash all over my body?

Could an allergic reaction cause a rash all over my body?

Absolutely.: Certain rashes are definitely not related to allergies; diagnosis starts with the appearance. This is where a knowledgeable, experienced diagnostician is key. Many viruses do, too, and some are quite itchy. So do medications, too, and continuing to take the drug may be risky. Better get checked out. ...Read more

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Is aloe okay or helpful to put on a skin rash caused by an allergic reaction?

Is aloe okay or helpful to put on a skin rash caused by an allergic reaction?

Yes; try cortizone (hydrocortisone): Aloe is generally very soothing to most rashes. If your rash is due to an allergic reaction, try otc hydrocortizone cream a few times a day as needed to alleviate the rash and any itching. You can also soak in an aveeno oatmeal bath. Oral Benadryl (diphenhydramine) can be helpful if itching. If the rash is getting worse or seems painful, contact your doctor to take a look. ...Read more

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How can I tell the difference between a rash caused by allergic reaction and rash caused by flesh eating bacteria?

How can I tell the difference between a rash caused by allergic reaction and rash caused by flesh eating bacteria?

Red versus dead: An allergic reaction is manifested by a raised red firm sometimes itchy but usually limited area whereas flesh eating bacteria create a rapidly spreading area of redness with fever and pain. The skin may blisters itch fluid or air bubbles or become grey/black. ...Read more

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Is allergic reaction itching reaction the same mechanism that causes Steven Johnson Syndrome? I itch all over NO rash. Feel like flu. Anxious.

Is allergic reaction itching reaction the same mechanism that causes Steven Johnson Syndrome? I itch all over NO rash. Feel like flu. Anxious.

Rare: Steven Johnson is a rare disorder. You seem to be obsessed about it.
For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form.
Practice safe sex, if you have sex.
Get HPV vaccine ...Read more

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I have dark spots, red patches, itchy painful skin rash. The hospital said it was a allergic reaction but couldn't figure out what caused it.

Allergic rash: See your dermatologist for evaluation and treatment of your rash. There are treatments that will work even if you don't know the cause of the rash. It will be important to be sure it is not a reaction to a medication. Allergic reactions can come from inside the body or from external contact agents. If your dermatologist suspects an external contact agent they can perform patch tests to look for. ...Read more

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Could red wine like syrah or shiraz and/or blueberries suddenly cause brow & lip swelling then lip rash afterwards, ie allergic reaction?

Could red wine like syrah or shiraz and/or blueberries suddenly cause brow & lip swelling then lip rash afterwards, ie allergic reaction?

Possibly: It's common to be allergic to these things, and it would be best for you to be evaluated in person by your family doctor (or a dermatologist or allergist). ...Read more

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Could a manicure cause itching in throat and all over body- no rash. Allergic reaction? No rash or redness at the nails or hands or feet though.

Could a manicure cause itching in throat and all over body- no rash. Allergic reaction? No rash or redness at the nails or hands or feet though.

Real or not real?: I wonder if you have inhaled the dust from the filing of the nails. This dust can be dangerous. Consider changing salon to one with good ventilation and extraction system. ...Read more

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How likely is a severe allergic reaction to vitamin d, calcium, and Fosamax for my osteoporosis? I'm scared to start my therapy cuz of this

How likely is a severe allergic reaction to vitamin d, calcium, and Fosamax for my osteoporosis? I'm scared to start my therapy cuz of this

Rare: Vitamin D and Calcium should not cause an allergic reaction. That being said even vitamins contain additional binders and other substances which at times can cause a reaction, but it is extremely rare. Fosamax is a class of medications where there is a risk of adverse reaction or side effects, but true allergic reactions rarely occur. ...Read more

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My wife seems to be having a bad allergic reaction. She has rashes all over her body and is itching badly. What is the best way to alleviate this?

My wife seems to be having a bad allergic reaction. She has rashes all over her body and is itching badly. What is the best way to alleviate this?

Stop the offending: Cause if known. Also reasonable to take short acting antihistamines like Benadryl (diphenhydramine) or longer acting ones like Claritin or Zyrtec. If the rash is severe enough and/or the itching is not alleviated than over the counter steroid creams may be beneficial. Of course if symptoms do not improve or worsen a trip to the doctor may be in order for a definitive diagnosis and/or stronger prescriptions. ...Read more

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I smoked weed for the first time and I woke up in the morning with rashes on my chest and chest pain, is this normal? Is it an allergic reaction?

I smoked weed for the first time and I woke up in the morning with rashes on my chest and chest pain, is this normal? Is it an allergic reaction?

Probably: You have a great reason not to try that stuff again. Most of us are goofy enough without needing cannabis. If the stuff does become legal and you want to resume, remember that there may have been something else in that particular batch that "wasn't supposed to be there." experiment again only at your own risk. ...Read more

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Can my child get a non-itchy rash as an allergic reaction to her body wash? I noticed since changing her wash, she now has flat red rashes on her.

Can my child get a non-itchy rash as an allergic reaction to her body wash? I noticed since changing her wash, she now has flat red rashes on her.

Yes, it is possible: Although It is not common to get an allergic rash as a reaction to the body wash, but it is possible. She should be checked by her pediatrician to be sure that it is an allergic rash and not a something else.
Changing the body wash in addition to use of a mild antihistaminic medicine would solve this problem ...Read more

Dr. John Chiu
1,042 Doctors shared insights

Allergic Reaction (Definition)

Sensitivities to substances, called allergens, that come into contact with the skin, nose, eyes, respiratory tract, and gastrointestinal tract. They can be inhaled into the ...Read more


Dr. John Chiu
2,661 Doctors shared insights

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