Demodicosis: Symptoms, the Face Mite, Testing and Treatment

Demodicosis is surrounded by myths about a "skin mite everyone has". Partly that is true: the Demodex mite does live in the skin of most adults and usually causes no trouble. Problems begin when it multiplies too actively and provokes inflammation. Let's sort out how demodicosis shows, how to tell it from acne and rosacea and how to diagnose it correctly.

What Demodicosis and the Demodex Mite Are

Demodex is a microscopic mite that lives in hair follicles and sebaceous glands, most often on the face. In most people it is present without symptoms and is part of the normal skin microflora. Demodicosis is the situation when the mites become too numerous and a skin inflammatory reaction develops.

Symptoms of Demodicosis on the Face

Typical signs: persistent redness, flaking, a feeling of tightness and itching (often worse in the evening and warmth), small pustules and papules, enlarged pores, sometimes a "crawling" sensation. The skin can become sensitive and tolerate skincare poorly. Location — cheeks, nose, chin, forehead, eyelids.

Ocular Demodicosis

The mite can affect the eyelid margins — then demodectic blepharitis develops: redness and itching of the eyelid margins, flaking and "scales" at the lash roots, a gritty feeling in the eyes, lash loss. This needs the involvement not only of a dermatologist but also an ophthalmologist.

Demodicosis, Rosacea and Acne: How They Relate

Demodicosis is closely intertwined with rosacea: an excess of mites can sustain inflammation in rosacea. Outwardly the rash is easily confused with acne, but in demodicosis there are usually no typical comedones, rather persistent redness and sensitivity. A dermatologist helps tell the conditions apart precisely.

How It Is Diagnosed: a Demodex Scraping

The key method is a scraping or analysis of follicle contents for Demodex under a microscope; sometimes lashes are examined. Importantly, finding single mites is normal; the diagnosis is made from their excess together with symptoms. So a "positive test" is interpreted only with the clinical picture. A confusing report can be uploaded for decoding.

Treatment of Demodicosis

Treatment is prescribed by a dermatologist: special topical and sometimes systemic antiparasitic and anti-inflammatory agents, adjusting skincare and any accompanying rosacea. The course is usually long, and self-treatment with aggressive products often worsens irritation. There is no quick "clearing the mite in a week".

Skincare with Demodicosis

While treatment is under way, gentle care matters: mild cleansing without alcohol and harsh scrubs, non-comedogenic products, sun protection, avoiding thick greasy creams that "feed" the mite. Towels and pillowcases should be changed more often. Specific products are chosen by a doctor for your skin type.

When to See a Doctor

See a dermatologist for persistent redness, itching and pustules on the face that do not respond to ordinary care, for inflammation and itching of the eyelid margins, and when "acne" does not respond to standard treatment. If you are unsure about the nature of the rash, you can describe your symptoms.

This article is for informational purposes only and does not replace a doctor's consultation. Demodicosis is diagnosed by a dermatologist from a scraping and the clinical picture.