Final answer:
The patient's reported itching and observed reddened areas on his skin suggest a dermatological issue such as eczema or an allergic reaction, which requires a thorough medical evaluation to diagnose and treat appropriately.
Step-by-step explanation:
The reddened areas observed on the patient's arms and chest, in conjunction with his complaint of "itching all over my body", could suggest a skin condition such as an allergic reaction, eczema, or possibly another dermatological issue. It's essential to examine the patient's medical history, any potential allergens he may have been exposed to, and conduct further diagnostic tests if necessary.
When considering other case studies, such as Penny's allergic eczema caused by a new sunscreen, or Kerry's recurring rash after sun exposure, it is clear that allergens and external factors like sunlight can trigger skin reactions. However, each case is unique and must be thoroughly assessed to determine the precise cause and appropriate treatment. It is noteworthy that rashes can also be symptomatic of systemic conditions or infections, as in the case of David who experienced symptoms potentially connected to a dog bite, or John who presented with multiple symptoms including a fever.
Therefore, the term that refers to the red streaks seen on the patient's skin is likely erythema, which can be caused by a variety of conditions and triggers, including allergic reactions, infections, or inflammatory processes. Proper diagnosis and treatment should follow a complete medical evaluation.