Persistent fatigue out of proportion with what you would usually expect

Persistent weakness

Aching all over

Fever, which may be slight to high (you can check your temperature yourself)

Persistent loss of appetite

Involuntary weight loss

Recurring nose bleeds

Sore on the roof of the mouth, which burns with spicy food

Unexplained skin rash anywhere on the body

Hives

Sores on the skin

Painful joint(s)

Swollen joint(s)

Stiffness of the joints when waking up in the morning

Chest pain which increases with breathing

Shortness of breath

Coughing up blood

Persistent unusual headache

Nausea or vomiting

Recurring or persistent abdominal pain

Persistent, increasing swelling of feet and legs

Puffy eyelids

Blood in urine