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What Causes Pityrosporum Folliculitis?

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Posted on Mon, 28 Apr 2014
Question: Hi .. I have been prescribed Nuforce shampoo for dandruff, which my doctor suggest could be the cause of Pityrosporum Folliculitis.. ..does that help? I never had any skin trouble but suddenly my dandruff is too much and so is the small red eruptions all over my back. I have been asked to apply Onabet cream - Sertaconazole nitrate 2% and aclind - clindamycin & benzoyl perxide cream together..and acutret capsules. its has been a wek I see no change in my condition
doctor
Answered by Dr. Dr. Kakkar (20 minutes later)
Brief Answer: Add an oral antifungal; rest can be continued Detailed Answer: Hello and welcome to healthcaremagic. I am Dr. Kakkar. I have gone through your query and I have understood it. Acne commonly involves face, trunk, chest and shouders (all these areas are rich in sebaceous glands). All these areas may or may not be involved simultaneously. Trunk acne is more resistant and more prone to relapse then facial acne(persists longer). Another possibility that could be the reason for back eruptions in your case is of pityrosporum folliculitis(caused by yeast) even though Pityrosporum folliculitis ITCHES a lot and is commonly seen in hot, humid weather conditions. Clinically both look the same except the itching part which is prominent in Pitryosporum folliculitis. Acne usually does'nt itch or they itch only slightly. Pityrosporum Folliculitis is caused by proliferation of yeast, Malasezzia furfur. Exactly the same yeast has been implicated in the pathogenesis of dandruff/seborrheic dermatitis. The yeast can travel down the hair length to the back and chest and cause Pityrosporum Folliculitis of the back. Therefore your doctor is absolutely right when he says that dandruff and Pityrosporum Folliculitis are related. The scalp and back are rich in oil glands, therefore providing an ideal environment for the yeast to feed upon. You said that you are already using Benzoyl Peroxide cream. If i were your treating doctor i would have advised you to continue with that. In addition to that, I would advice that you be put on a course of oral antibiotics like Doxycycline OR Azithromycin for 4-6 weeks, since the lesions on back and trunk are inflammatory (Papules and pustules). In my practice i also start my patients on oral retinoids (Isotretinoin) if they present me similar to you. Oral retinoids are Sebostatic(decreases oil production), normalises keratinization, are anti-inflammatory and decreases proliferation/population of Propionibacterium acnes as well as yeast(which feeds on your oil) in hair follicles. In addition to all this, I would suggest an oral antifungal in your case e.g itraconazole 200mg once daily for a week to kill the yeast rapidly. Topiacal antifungal alone are not at all effective in Pityrosporum Folliculitis and patients need to be treated with oral antifungals. Topical antifungals can be used to prevent a relapse, rather. I hope this answers your query. regards
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
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Follow up: Dr. Dr. Kakkar (18 hours later)
Thanks. That is a relief that I am using the right medicines. My doctor a prescribed fluconazole tablet - AF400, twice a week. Also, should I avoid eating anything, just to be on the safer side, so that the problem does not aggravate.and my doctor has said that it will take close to another 2 weeks, 1 week already gone, so total 3 weeks to be healed completely.
doctor
Answered by Dr. Dr. Kakkar (20 minutes later)
Brief Answer: Pityrosporum folliculitis Detailed Answer: Hi. That's good, oral antifungals are a must for pityrosporum folliculits. You are taking oral fluconazole, which is good enough. You did'nt mention it before. No diet restrictions. regards
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
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Follow up: Dr. Dr. Kakkar (8 minutes later)
One last question.. how many weeks does it really take ?
doctor
Answered by Dr. Dr. Kakkar (3 minutes later)
Brief Answer: Pityrosporum folliculitis Detailed Answer: Hi. Pityrosporum folliculitis responds very effectively to oral antifungals. It becomes significantly better on 2-4 weeks of oral antifungals. regards
Note: Hope the answers resolves your concerns, however for further guidance of skin related queries consult our Dermatologist.Click here to book a consultation

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Dr. Kakkar

Dermatologist

Practicing since :2002

Answered : 9612 Questions

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What Causes Pityrosporum Folliculitis?

Brief Answer: Add an oral antifungal; rest can be continued Detailed Answer: Hello and welcome to healthcaremagic. I am Dr. Kakkar. I have gone through your query and I have understood it. Acne commonly involves face, trunk, chest and shouders (all these areas are rich in sebaceous glands). All these areas may or may not be involved simultaneously. Trunk acne is more resistant and more prone to relapse then facial acne(persists longer). Another possibility that could be the reason for back eruptions in your case is of pityrosporum folliculitis(caused by yeast) even though Pityrosporum folliculitis ITCHES a lot and is commonly seen in hot, humid weather conditions. Clinically both look the same except the itching part which is prominent in Pitryosporum folliculitis. Acne usually does'nt itch or they itch only slightly. Pityrosporum Folliculitis is caused by proliferation of yeast, Malasezzia furfur. Exactly the same yeast has been implicated in the pathogenesis of dandruff/seborrheic dermatitis. The yeast can travel down the hair length to the back and chest and cause Pityrosporum Folliculitis of the back. Therefore your doctor is absolutely right when he says that dandruff and Pityrosporum Folliculitis are related. The scalp and back are rich in oil glands, therefore providing an ideal environment for the yeast to feed upon. You said that you are already using Benzoyl Peroxide cream. If i were your treating doctor i would have advised you to continue with that. In addition to that, I would advice that you be put on a course of oral antibiotics like Doxycycline OR Azithromycin for 4-6 weeks, since the lesions on back and trunk are inflammatory (Papules and pustules). In my practice i also start my patients on oral retinoids (Isotretinoin) if they present me similar to you. Oral retinoids are Sebostatic(decreases oil production), normalises keratinization, are anti-inflammatory and decreases proliferation/population of Propionibacterium acnes as well as yeast(which feeds on your oil) in hair follicles. In addition to all this, I would suggest an oral antifungal in your case e.g itraconazole 200mg once daily for a week to kill the yeast rapidly. Topiacal antifungal alone are not at all effective in Pityrosporum Folliculitis and patients need to be treated with oral antifungals. Topical antifungals can be used to prevent a relapse, rather. I hope this answers your query. regards