Final answer:
Early signs of OHT rejection often include fever and chills, headache, and body aches, but a healthcare provider should evaluate these symptoms to diagnose the cause correctly. The correct option is 1.
Step-by-step explanation:
The early signs of organ transplant rejection, specifically Ocular Hypertension Therapy (OHT) rejection, can include a range of symptoms that signal the body's immune system is attacking the transplanted tissue. Based on the provided information, early signs may manifest as fever and chills, which are nonspecific and can indicate a variety of complications, including infection or rejection.
Additional early signs could include headache and body aches. However, an accurate diagnosis usually requires a careful evaluation by a healthcare provider who can interpret these symptoms in the context of the patient's overall health status post-transplantation.