Checkup Introduction. People make appointments to see their doctor for many different reasons. Some only go to the doctor when they are experiencing a new problem or concern and are looking for a specific diagnosis or treatment. Others see their doctor at more regular intervals for ongoing follow-up of a chronic problem or disease.
Donât blame it on the sunshine. Most people believe these yellow stains are a result of sweat. After all they only occur in the armpit area. In addition to this, they seem to be ubiquitous on summer clothing. It just has to be the sweat that causes it.
Causes Of Red Blotches On Arms And Skin. 1  There are many factors that can cause a change in the skins melanin. Allergens to environmental sources, inhaled substances or physical contact can be causes of red blotches on arms and other parts. 2  Exposure to extreme temperatures, hot or cold, can cause changes in the skins pigment.