What are the causes of Dyshidrotic Eczema? 

Like all other kinds of Eczema it is not easy to pinpoint the exact cause for Dyshidrotic Eczema, but in the past doctors believed that it was caused due to sweating a theory that is not considered to be true nowadays. Dyshidrotic Eczema is also seen in patients with Atopic Dermatitis, suggesting that there might be a genetic predisposition towards this condition. Episodes of Dyshidrotic Eczema can start when a person comes in contact with a chemical substance like nickel, or cobalt or even when some metals are ingested. The condition is also exacerbated when there is too much emotional trauma, or stress or even when there are extreme weather and temperature changes. Smoking and excessive coffee consumption are believed to play an aggravating role. Some patients can develop Dyshidrotic Eczema after a fungal infection called tinea pedis. According to researchers patients with Dyshidrotic Eczema were cured when they received treatment for tinea pedis. 

• Patients may report a variety of factors that possibly are related to eruptions. 

• Emotional stress

• Personal or familial atopic dermatitis history (eg, asthma, hay fever, sinusitis)

• Certain work exposures (eg, cobalt) and/or recreational exposures

• Recent exposure to contact allergens (eg, nickel, balsams, paraphenylenediamine, chromate, sesquiterpene lactones) before condition flares

• Exposure to contact irritants before condition flares

• Recent exposure to costume jewelry (patients with palmar pompholyx and allergic to nickel)

• Recent treatment with intravenous immunoglobulin therapy
  
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