(A) Itching

Hives

Itching is an unpleasant sensation that invites scratching or rubbing and is a common generalized or limited symptom. It is seen in a variety of diseases such as pruritus, eczema, contact dermatitis, drug rash, urticaria, seborrheic dermatitis, herpes-like dermatitis, lichen planus, scabies, diabetes mellitus, uremia, leukemia and lymphoma.

1, the wind itch manifested as itching no fixed place, running uncertain, itching all over the body. Because of the upward movement of the wind, especially the head and face, the lesions are dry, red or light red tongue, thin moss, floating pulse. Such as pruritus, urticaria and so on.

2, hot itch clinical characteristics of the rash color red, swelling, _ hot itch, heat aggravation, itching and pain, tongue red, moss yellow, pulse number. Such as folliculitis, impetigo, boils and Dan toxicity and other purulent skin diseases.

3, wet itch characterized by pimples, blisters, vesicles, oozing, dipping into pieces, lingering difficult to heal; because of the wetness tends to the lower, so to the perineum, the lower extremities are common; tongue light red or red, moss greasy or yellow greasy, pulse moistening, such as drop dermatitis, eczema and contact dermatitis.

4, the insect itch manifested as itchy as a worm line, the site of uncertainty, itchy, intolerable, especially at night, such as scabies.

5, blood deficiency itch manifested as dry skin, flaking, itching, light day and night. It is due to insufficient qi and blood, liver loss of nourishment, skin loss of moisturizing, blood deficiency caused by wind, tongue pale or teeth marks, moss net, pulse sinking, such as geriatric itchy skin.

(ii) pain

herpes zoster

Pain (pain) is due to disease or trauma caused by the feeling of suffering, for the identification of injury to the organism stimulus intensity of feeling. Painful diseases in dermatology include herpes zoster, corns, gonorrhea, erythematous limb pain and dermatomyositis.

1, cold pain pain and fear of cold, skin temperature is not high, get hot is reduced, warm medicine hot compresses are pain relief, such as frostbite.

2, hot pain and burning pain, skin color bright red, get cold is reduced, cool medicine cold compresses will slow down the pain, such as dengue and other suppurative skin diseases.

3, the wind pain clinical characteristics of the pain in the place of uncertainty, the occurrence of rapid, rapid travel.

4, false pain is characterized by pain and slow, no distension, like warm and like to press.

5, solid pain is characterized by sharp pain, distension and pain, refusal to press and like cold.

(C) burning sensation

Burning sensation is the skin shows a hot subjective sensation, also known as burning, can appear alone or with itching and pain at the same time, such as burning itch or burning pain.

(D) numbness

Numbness is the loss of the body of pain, touch, cold, heat and other kinds of sensory performance. Symptoms of mild only pain, touch, temperature perception of the weakening, that is, hyperalgesia. Such as leprosy.

Additionally, dermatophytosis may be characterized by fever, chills, malaise, loss of appetite and general malaise.

Reference Answer Source Source Site: [Thumb Doctor] What are the characteristics of common skin diseases? Eczema is an inflammatory reaction of the skin with polymorphic lesions and a tendency to ooze, caused by a variety of complex internal and external factors. The cause of this disease is complex and difficult to determine, the self-conscious symptoms of itching is intense, the condition is easy to repeat, can be many years.

Urticaria is a limited edema reaction due to the expansion of small blood vessels in the skin and mucous membranes and the increase in permeability, commonly known as "rubella". It is characterized by the appearance of white or red skin rash, sudden onset, and no certain location, sometimes hidden, itching, no degree, and does not leave any traces after subsiding.

Scabies is a skin disease caused by the infection of the skin by the scabies worm (stimulated by the mechanical injury of digging tunnels and the secretion of its poisonous juices), which can be sexually transmitted, especially among young men and women who are sexually promiscuous, and the disease spreads rapidly, so the disease has been included by the World Health Organization in the list of sexually transmitted diseases.

Source website: [39 health network] What are the symptoms of skin disease, the more detailed the better 1, rash: for the wind, flushed spots, size, shape. Often occur suddenly, appear in batches, and then quickly subside after a few hours, subside without leaving traces, but often recurring episodes.

2, conscious itching: can be accompanied by abdominal pain, nausea, vomiting and chest tightness, palpitations, dyspnea, a few have fever, joint swelling, hypotension, shock, laryngeal edema suffocation symptoms.

Source website: [thumb doctor] What kinds of skin diseases? What are the symptoms of each? Itch: It is the most common self-conscious symptom, the degree of itch varies in severity, paroxysmal and persistent, limited and widespread. The mechanism of itch is generally believed to be:

1. The free sensory nerve endings in the superficial dermal layer of the epidermis are stimulated to transmit to the optic thalamus and the sensory center through the lateral spinothalamic tract to cause itch.

2. It is related to the release of certain chemicals such as histamine, kinin and protease by the body, especially protease plays an important role as a chemical mediator. It is present in the epidermis, blood, bacteria and fungi, and trauma or certain causes can be released in the tissues activated to produce itchy skin.

Itching is common in eczema, urticaria, neurodermatitis, lichen planus, and pruritus vulvae ani.

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