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Cellular phone dermatitis with chromate allergy

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Seishima M, Oyama Z, Oda M · 2003

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Cell phone materials can trigger allergic skin reactions, with all 8 studied patients showing chromate sensitivity from phone plating.

Plain English Summary

Summary written for general audiences

Japanese researchers studied 8 patients who developed skin rashes after using cell phones for 9-25 days. All patients tested positive for chromate allergy, a metal used in phone plating that caused contact dermatitis (allergic skin reactions) on their ears and cheeks where the phone touched their skin. This demonstrates that cell phone materials themselves can cause allergic reactions in sensitive individuals.

Why This Matters

This study highlights an often-overlooked aspect of cell phone health effects: direct chemical exposure from device materials. While much attention focuses on electromagnetic radiation, the physical components of our devices matter too. The fact that all 8 patients showed positive reactions to chromate suggests this isn't a rare sensitivity but a predictable response to a known allergen. What makes this particularly relevant is how it demonstrates the multi-faceted nature of device-related health concerns. The reality is that our constant contact with these devices exposes us to both electromagnetic fields and potentially allergenic materials. For people experiencing unexplained skin reactions around their ears or cheeks, especially after extended phone use, chromate sensitivity should be considered alongside other potential causes.

Exposure Information

Specific exposure levels were not quantified in this study.

Study Details

This study described the clinical characteristics and results of patch tests in 8 patients with contact dermatitis possibly caused by handling a cellular phone.

The 8 patients were 4 males and 4 females aged from 14 to 54 years. They each noticed skin eruptions...

The patch test was positive for 0.5, 0.1 and 0.05% potassium dichromate in all 8 patients. The photo...

It is important to consider the possibility of contact dermatitis due to a cellular phone, possibly caused by chromate, when the patients have erythema and papules on the hemilateral auricle or in the preauricular region.

Cite This Study
Seishima M, Oyama Z, Oda M (2003). Cellular phone dermatitis with chromate allergy Dermatology. 207(1):48-50, 2003.
Show BibTeX
@article{m_2003_cellular_phone_dermatitis_with_2579,
  author = {Seishima M and Oyama Z and Oda M},
  title = {Cellular phone dermatitis with chromate allergy},
  year = {2003},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/12835548/},
}
PubMed: 12835548

Cited By (57 papers)

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Quick Questions About This Study

Yes, cell phones can cause skin rashes in people with metal allergies. A 2003 Japanese study found 8 patients developed contact dermatitis (allergic skin reactions) on their ears and cheeks after 9-25 days of cell phone use, caused by chromate metal in phone plating.
Cell phones can trigger allergic reactions in people with metal sensitivities. Research shows chromate, cobalt, and nickel used in phone materials can cause contact dermatitis, creating red bumps and rashes where the phone touches your ear and cheek during calls.
Phone-related skin allergies primarily affect people sensitive to metals like chromate, nickel, or cobalt found in phone plating. Symptoms include redness, bumps, and rashes on the ear and cheek area where the phone makes contact during use.
Yes, phones can cause allergic reactions on your face, particularly around the ear and cheek area. A study documented 8 cases of contact dermatitis caused by chromate metal in cell phone plating, developing after just over a week of regular use.
Cell phone contact can cause ear rashes in people allergic to metals used in phone construction. Japanese researchers found all 8 patients with phone-related skin reactions tested positive for chromate allergy, with symptoms appearing on ears and adjacent facial areas.