What Causes Hives? - Top 10 Causes of Hives That You Probably Didn't Know

Researchers have found a link between post-traumatic stress disorder and hives.

To lower stress, try relaxation techniques - for example, yoga or mindfulness meditation.

In some people, foods may trigger hives through some other 'non-allergic' mechanism.

The most common food allergies are shellfish, nuts, eggs, wheat, and soy.

This type of hives is also termed rare, and occurs upon contact with water.

The appearance of hives is within one to 15 minutes of contact with the water and can last from 10 minutes to two hours.

Could you be allergic to your own sweat? Yes, says the experts.

Talk to your doctor if you suspect this may be one of your triggers.

It has been researched that medications can induce allergic reactions manifesting as hives.

Drugs that can cause allergic reactions include codeine, dextroamphetamine, aspirin, ibuprofen, penicillin, etc.

Fortunately, sunlight is a rare trigger, and it’s easier to test for than other potential triggers.

Hives triggered by sunlight usually disappear within a day, but in the majority of cases, they recur.

For those who live with chronic hives: The cold can trigger a flare-up in some.

You can diagnose, yourself by putting an ice cube on your skin for few minutes to see if a reaction occurs.

Hives can be triggered by artificial colors, flavoring agents, and preservatives, according to a research.

Your doctor may prescribe an elimination diet, which, over a period of several weeks, will test for a food intolerance.

One of the potential triggers of hives include heat and aggravating your skin by scratching it or putting pressure on it.

The source of the pressure on the skin can happen from tight fitted clothing, belts, clothing with tough straps, walking, etc.

Environmental agent - hives, such as chronic spontaneous hives, can be a complication of a parasitic infection like strongyloidiasis and blastocystosis.

Sometimes, the rash which develops from poison oak or poison ivy is also mistaken for hives.