Good evening doctor i wanted to know what my...

What is the treatment for itchy skin and rash?
 In the beginning, we recommend avoiding factors that you notice that increase allergy, such as exposure to sunlight and a lot of sweat, with the possibility of daily bathing with cold water to moisturize the skin , avoid itching by the hand, wear cotton clothes, use a medicinal soap such as Neutrogena 'use A humidifier to prevent dehydration that increases itching, drink more water and useful fluids, eat a healthy, balanced diet away from citrus and spices, and use various allergy medications such as antihistamines such as loratdine 10 mg once a day for five days, as well as allergy ointments such as betamethasone cream Three times a day, 
These symptoms may be caused by the use of a specific drug, so any medicine taken during that period is stopped to find out the cause
Diagnosis?
Skin allergies are diagnosed based on the symptoms that the patient complains of and the examination of the clinical doctor, and it does not require any blood tests, and treatments and ointments are prescribed accordingly.
What are the symptoms of a skin allergy?

• Itchy skin
• Redness of the skin
• hottest body
• The appearance of red rash

advice?
 follow up with a dermatologist for examination and evaluation