History and Terminology - Perioral dermatitis first appeared in 1957 with a case of light sensitive seborrhoeid. - By 1964, the condition became known as perioral dermatitis in adults. - In 1970, the condition was recognised in children. - There has been ongoing debate about whether all rashes around the mouth are perioral dermatitis. - Some propose renaming the condition to periorificial dermatitis.

Signs and Symptoms - Symptoms of perioral dermatitis include stinging and burning sensations. - Itching is less common. - The rash is often steroid responsive and may initially improve with the application of topical steroids. - The redness associated with perioral dermatitis has been linked to depression and anxiety. - The rash consists of small papules and pustules around the mouth, nose, and sometimes cheeks.

Causes and Triggers - The exact cause of perioral dermatitis is unclear. - Topical steroids and cosmetics play a significant role in its development. - Light exposure has been discounted as a causal factor, but some reports suggest a connection with Psoralen and ultraviolet A therapy. - Inhaled corticosteroids can trigger perioral dermatitis. - Drying agents, such as benzoyl peroxide and tretinoin, can aggravate the condition.

Corticosteroids - Perioral dermatitis often occurs after the use of topical steroids on the face. - Discontinuing steroids may initially worsen the condition and lead to dependency. - Inhaled corticosteroids can also trigger perioral dermatitis. - The condition tends to occur on drier parts of the face and can be aggravated by drying agents. - There are no comedones present in perioral dermatitis.

Treatment and Prognosis - Perioral dermatitis can resolve without medication by avoiding irritants. - Topical corticosteroids should be completely stopped if possible. - If necessary, a less potent topical corticosteroid may be temporarily used. - Medications such as tetracycline, doxycycline, and erythromycin can speed up recovery. - Erythromycin can be used as a cream for treatment. - Perioral dermatitis can fully resolve with short courses of antibiotics. - If left untreated, perioral dermatitis can persist for years and become chronic. - Improvement with tetracyclines is usually seen after 4 days. - Significant improvement with tetracyclines is typically observed after 2 weeks. - Chronic forms of perioral dermatitis may require long-term management.