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What Are the White Spots on Sunburned Skin?
White spots within a sunburn are commonly due to a yeast named tinea versicolor 1. The yeast lives in the pores of the skin.
How it Happens
According to the Mayo Clinic, under certain conditions tinea versicolor becomes overgrown 1. These conditions include hot, humid weather, excessive sweating, oily skin or hormonal changes. Under such conditions, growth of the yeast accelerates and causes the white, scaly spots.
- According to the Mayo Clinic, under certain conditions tinea versicolor becomes overgrown 1.
- These conditions include hot, humid weather, excessive sweating, oily skin or hormonal changes.
Why the Spots
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Tinea versicolor blocks the skin from tanning in places where there is an overgrowth of the yeast 1. The skin around the areas tans, leaving the infected area appearing lighter or white in color.
Home Treatment
Over-the-counter antifungal lotion, cream or ointment is suggested for home treatment. The Mayo Clinic lists selenium sulfide shampoo (Selsun Blue), miconazole (Micatin), clotrimazole (Lotrimin) and terbinafine (Lamisil). Additionally, wearing loose-fitting clothing and not adding oily products to the infected area will assist in preventing an overgrowth of the yeast.
When to See a Doctor
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Treating the condition does not cause immediate an immediate reversal of the spots. The white spots often take weeks to fade. If the condition does not improve with home treatment, it is best to seek medical advice.
Additional Information
The Mayo Clinic also points out there are other skin conditions that mimic tinea versicolor 1. The most common of which is vitiligo, a condition that although is not harmful also causes discoloration of the skin.
Related Articles
References
- Mayo Clinic: Tinea versicolor
- Harada K, Saito M, Sugita T, Tsuboi R. Malassezia species and their associated skin diseases. J Dermatol. 2015 Mar;42(3):250-7. doi:10.1111/1346-8138.12700
- Gupta AK, Foley KA. Antifungal treatment for pityriasis versicolor. J Fungi (Basel). 2015 Mar 12;1(1):13-29. doi:10.3390/jof1010013
- Hudson A, Sturgeon A, Peiris A. Tinea versicolor. JAMA. 2018 Oct 2;320(13):1396. doi:10.1001/jama.2018.12429
- Karray M, McKinney WP. Tinea (Pityriasis) Versicolor. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2019 Jan-. Updated April 1, 2019.
- Kaushik N, Pujalte GG, Reese ST. Superficial fungal infections. Prim Care. 2015 Dec;42(4):501-16. doi:10.1016/j.pop.2015.08.004
- Renati S, Cukras A, Bigby M. Pityriasis versicolor. BMJ. 2015 Apr 7;350:h1394. doi:10.1136/bmj.h1394
Writer Bio
Robyn Johnson resides in the Denver area. She began her writing career in 2010. Primarily, Johnson has contributed to eHow and Answerbag. She acquired her Bachelor of Science degree in marketing from Franklin University and is now working on a M.F.A. in creative writing.