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Real members of MySebDermTeam have posted questions and answers that support our community guidelines, and should not be taken as medical advice. Looking for the latest medically reviewed content by doctors and experts? Visit our resource section.

Other Medical condition's and SD.

A MySebDermTeam Member asked a question 💭
National City, CA

Does anyone else see a link between any other medical condition you might have and SD? Or do you have some secret belief that SD is caused by something entirely?

June 3
 · 
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MySebDermTeam

Great question — and you're definitely not alone in wondering about this! Research shows that seborrheic dermatitis often shows up alongside other health conditions, called comorbidities. Scientists believe shared factors like inflammation, genetics, and lifestyle may connect them.

Here are some conditions commonly linked Show Full Answer

Great question — and you're definitely not alone in wondering about this! Research shows that seborrheic dermatitis often shows up alongside other health conditions, called comorbidities. Scientists believe shared factors like inflammation, genetics, and lifestyle may connect them.

Here are some conditions commonly linked to SD:

- Metabolic syndrome / Type 2 diabetes — SD is linked to insulin resistance, high blood pressure, and high cholesterol
- Mental health conditions — anxiety, depression, and bipolar disorder are more common in people with SD
- Neurological conditions — SD is significantly more prevalent in people with certain neurological disorders As for what *causes* SD, researchers believe it's likely a combination of factors rather than one single thing, including:

- Malassezia yeast — a naturally occurring yeast on the skin that may trigger an immune response
- Genetics — SD and related conditions can run in families
- Environment and lifestyle — stress, sweating, and other habits can influence flare-ups

MySebDermTeam members have shared their own experiences too. One member noted that SD is "on my mind constantly," while another described it as affecting their self-esteem — showing how deeply it can impact daily life beyond just the skin.

Talking to a dermatologist about any other health conditions you have is always a smart move, as managing them together can sometimes improve SD symptoms.

June 3
A MySebDermTeam Member

Sure, if your immunity is low, all sorts of problems might occur.
Skin issues, hair issues, even nail issues.

June 6
A MySebDermTeam Member

I understand from my dermatologist that some experts believe SD can exist on a spectrum between dandruff and psoriasis. So, I wonder if there is possibly an autoimmine aspect to this condition.

I'm the only one in my family with SD, and the only one with a history of lupus, but my dad has psoriasis, t2d, and now Alzheimer's. My brother has t2d and rosacea.

A long time ago I took methotrexate for lupus. Now my dermatologist is considering resuming it for my currently undiagnosed but suspected "something in the psoriasis family." If I do go on it, I'll let y'all know if it helps the sebderm! (I have to say, though, my old rheumatologist, now retired, noticed rashes that she thought were sebderm three years ago, and I was on the powerful immune suppressant CellCept back then, so, maybe immune suppression isn't the key after all.)

June 6

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