CLINICAL DIAGNOSTIC MANUAL
Scalp itching is an uncomfortable sensation that prompts the need to scratch. It can be caused by various dermatological conditions, infections, allergic reactions, or even psychological factors.
Itching may be accompanied by other symptoms such as redness, scaling, and the appearance of lesions on the scalp. Identifying the underlying cause is important for appropriate treatment.
Pathology | Suspected Diagnosis | Confirmatory Diagnosis |
Lice | Intense itching, presence of nits and lice on the scalp. | Physical examination, visualization of nits and lice. |
Seborrheic eczema | Greasy, yellowish plaques, itching, scaling. | Physical examination, skin biopsy. |
Psoriasis | Red plaques with silvery scales, itching, thickened skin. | Skin biopsy, physical examination. |
Lichen simplex chronicus | Purple plaques, intense itching, thickened skin. | Skin biopsy, physical examination. |
Allergic contact dermatitis | Redness, blisters, itching, history of allergen exposure. | Allergy tests, physical examination. |
Fungal infection | Red plaques and scaling, itching, nail involvement. | Skin culture, skin scraping examination. |
Herpes zoster | Painful unilateral rash, vesicles progressing to crusts. | Viral culture, PCR, physical examination. |
Anxiety and depression | Itching without skin lesions, history of psychological disorders. | Psychological evaluation, medical history. |
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