Why does ringworm keep recurring on my body?

There is no as such any best treatment for eczema, but a good moisturizer and keeping the skin away from the allergens will keep you away from eczema 

FACIAL SWELLING MAY SIGNAL SERIOUS HEALTH CONCERN. Causes include allergy, injury, infection, and medication reaction.. Seek medical attention immediately. Treatment depends on underlying condition. Apply a cold compress. AVOID SpICY FOODS and alcohol.

Psoriasis is a common disease that causes red, painful, and rough patches on the skin. It happens when the immune system goes out of control and skin cells grow too fast. A dermatologist can prescribe therapy to relieve the skin. After treatment, using creams or lotions helps reduce dryness and itching. Keeping the skin clean and well-moisturized can also help reduce discomfort.

Your scalp problem could be a medical issue that requires medical treatment. I recommend you should pay a visit to a dermatologist, who is a skin expert. They can detect the condition and recommend the medications or treatment option that should be taken. Avoid using any harsh chemicals on your scalp until you have been to a doctor.
 

Without a proper evaluation and diagnosis, it is difficult to understand the cause of the problem. I suggest taking your mother to a right doctor. Based on your mother's medical history and certain evaluations, he will be able to know the cause of burning feet and hands and can suggest an appropriate treatment. Hope this proved helpful. 

It is best to consult a dermatologist who can recommend a suitable cleanser for your skin type. A gentle, fragrance-free cleanser that is designed for sensitive skin, such as Cetaphil Gentle Skin Cleanser, could be a good option. However, it is always best to seek professional advice to ensure the best care for your skin. They may ask other health conditions like regarding your gut health, other issues etc and accordingly prescribe.