A person who fakes illness for attention is often referred to as a "malingerer." This behavior can also be associated with "factitious disorder," where individuals deliberately produce or exaggerate symptoms of illness for psychological reasons, seeking sympathy or care from others. It's important to approach such situations with sensitivity, as underlying mental health issues may be involved.
A person who believes they are sick or even creates illnesses, is often called a hypochondriac.
attention seeker
a person who is weak with ilness
call them buddy, or jugs
ADDer
Lonely
Acute. An illness of long duration is called chronic.
Attention-seeker, perhaps histrionic, narcissistic, egocentric.
call 911, that's what I would do
attention wh@re is the phrase that was coined by Jesse Dawson
a photo freak / attention hog
give him the call me sigh, that will get his attention.