allodynia

1. Introduction Tenderness at the top of the head is most frequently caused by localized muscle tension, peripheral nerve irritation, or dermatological conditions affecting the scalp. This sensory distortion, where normal touch is perceived as painful, is clinically known as allodynia. Identifying whether the pain stems from the skin surface, the underlying hair follicles, or … Read more

1. Introduction If your scalp is extremely tender to the touch, you are experiencing a neurological phenomenon known as allodynia. Allodynia occurs when central or peripheral pain pathways become hypersensitive, causing normally painless stimuli—such as brushing your hair, wearing a hat, or simply resting your head on a pillow—to register as intense, burning, or aching … Read more