What are the signs and symptoms of hypersensitivity?
Signs and symptoms of acute, subacute, and chronic hypersensitivity pneumonitis may include flu-like illness including fever, chills, muscle or joint pain, or headaches; rales; cough; chronic bronchitis; shortness of breath; anorexia or weight loss; fatigue; fibrosis of the lungs; and clubbing of fingers or toes..
What does it mean when you are sensitive to touch?
Allodynia is an unusual symptom that can result from several nerve-related conditions. When you’re experiencing it, you feel pain from stimuli that don’t normally cause pain. For example, lightly touching your skin or brushing your hair might feel painful.
What causes skin sensitivity?
Causes of sensitive skin reactions include: Skin disorders or allergic skin reactions such as eczema, rosacea, or allergic contact dermatitis. Overly dry or injured skin that can no longer protect nerve endings, leading to skin reactions.
What part of the body is most sensitive to touch?
The tongue, lips, and fingertips are the most touch- sensitive parts of the body, the trunk the least. Each fingertip has more than 3,000 touch receptors, many of which respond primarily to pressure.
Why does my scalp hurt to the touch?
Folliculitis, furunculosis, and carbunculosis are all infections of the hair follicles that can cause scalp sensitivity. These infections can be painful, sore, or warm to the touch. They often affect the back of the neck, the back of the scalp, or the armpit.
Why is my skin tender to the touch?
Tactile allodynia: Tactile allodynia, also called static allodynia, occurs due to light touch or pressure on the skin. For example, a tap on the shoulder may cause pain for someone with tactile allodynia.