There are many reasons for red and itchy palms, such as urticaria, eczema, drug rash, contact dermatitis, ringworm and other causes.
1. Urticaria: temporary increase in vascular permeability of the skin and mucous membranes, resulting in limited edema can cause redness and itchy palms, and there are also symptoms such as skin tingling.
2. Eczema: internal and external factors cause inflammation of the superficial dermis and epidermis, can also cause redness and itching of the palms of the hands, blisters, oozing and other symptoms will occur in severe cases.
3. Medicinal rashes: allergic reactions to medications may also cause redness and itching of the palms.
4. Contact dermatitis: palm contact sensitizer, can also cause local metamorphosis, resulting in palm redness and itching.
5. ringworm: fungal infection caused by local epidermal skin ringworm disease, can also lead to redness and itchy palms, some will also cause skin blisters, peeling, annular erythema, flaking and other symptoms.
Palm redness and itchy, there may be other reasons, need to go to the hospital in time to check, clear cause.