Acute hives are actually fairly common, but finding the cause can be challenging. Hives occur when the immune system is stimulated into releasing histamine from inside the blood stream, resulting in the dilatio... continue reading  about  My wife just developed hives for the first time in her life -- on her face, arms and chest. What is known about hives, and what can she do to eliminate the symptoms?

The only way to know for sure if this is an allergy is to have allergy testing. Winter allergies could be caused by any of the indoor allergens - dust mite, mold or animals. If this is allergic reaction and Cla... continue reading  about  In winter my allergies get worse. My doctor thinks it's from mold and dust mites, and told me to take Claritin, which I'm doing. But it only works for a few hours, and then I'm sneezing and itching again. Is there anything I can do to prevent this?

Allergic reactions to dogs can be from anything that comes off or out of a dog. Saliva and the skin that is shed with the fur (also called dander) are the most allergenic parts of both dogs and cats. Fur/hair i... continue reading  about  I often have a light rash after playing with my dog. Are allergic reactions to dogs from their fur, their saliva or something else?

If you are stung and start to have any whole body reaction such as hives or any respiratory problems, you should immediately use your EpiPen and then go straight to the ER. If you had whole body hives in the pa... continue reading  about  I had a pretty bad reaction to a bee sting a few years back, with hives all over my body. I was prescribed an EpiPen. If I get stung again, do I use the pen right away or wait to see if I have a reaction? After using the pen, should I go to the ER?

The long term treatment of choice for seasonal allergies is the now over-the-counter nasal sprays, like Flonase or Nasacort. Note that there is no immediate relief from them - they work slowly, over several day... continue reading  about  I struggle with seasonal allergies and take Claritin, plus use a neti pot. This season, I have also had shortness of breath and light coughing, but no wheezing. It's hard to do my usual workouts. Is there some kind of inhaler I can use?

Yes, it is ok to take the medication for an extended period of time. However, the "D" formulation has a decongestant (which is what the 'D' represents in the name) and this can raise your blood pressure. I woul... continue reading  about  I have seasonal allergies. I previously went through allergy injections but I didn't feel like they were making much of a difference after several years of treatment. Is it okay to take something like Claritin D 12 hr for an extended period of time?

Here's a direct quote from the FDA about the term "hypoallergenic" as it relates to cosmetics:"Hypoallergenic cosmetics are products that manufacturers claim produce fewer allergic reactions than other cosmetic... continue reading  about  What does it mean when a product is labeled “hypoallergenic?”

I have always recommended using distilled, bottled, or filtered water for nasal rinses. An alternative could be boiling tap water for at least five minutes. Municipal tap water should also be safer than well wa... continue reading  about  I was alarmed by an article about deaths related to using tap water in a neti pot. I have been using only tap water. Should I change to filtered, bottled or distilled water?

There are two reasons that bee pollen would not be expected to help with allergies:The type of pollen that bees carry is not the kind of pollen that causes allergy. It's the wind-transported pollen that causes ... continue reading  about  Does bee pollen help reduce allergies?