Which of the following symptoms is least likely associated with atopic dermatitis?

Atopic dermatitis, commonly known as eczema, is a chronic inflammatory skin condition characterized by several hallmark symptoms. Among these symptoms, skin dryness, severe itching, and inflammation with redness are all classic features that patients with this condition typically experience.

Skin dryness is a fundamental aspect of atopic dermatitis, with affected areas often showing a lack of moisture and a tendency to flake or crack. Severe itching is also a prominent symptom, as patients frequently report intense pruritus that can lead to scratching and further irritation of the skin. Inflammation and redness often accompany these symptoms, indicating an immune response that can occur during flare-ups of the condition.

In contrast, frequent urination is not associated with atopic dermatitis. This symptom is typically related to urinary tract issues or other systemic conditions rather than dermatological problems. Thus, the least likely symptom to be connected with atopic dermatitis is frequent urination, as it falls outside the scope of the skin condition's characteristic manifestations.