What causes extreme apathy loss of apatite headaches and refusal to care about anything material is there something wrong with having the above symptoms it more than just a phase?

There are many possible causes for the symptoms you describe, including both physical and mental health conditions. It is important to see a doctor or other healthcare professional if you are experiencing any of these symptoms in order to get a proper diagnosis and treatment.

Some possible causes include:

Anxiety: Anxiety disorders can cause excessive worry or fear that can lead to apathy, loss of apatite, headaches, and other symptoms.

Depression: Depression is a mood disorder that can cause a loss of interest or pleasure in activities that you once enjoyed, as well as other symptoms such as anxiety, headaches, and sleep problems.

Chronic fatigue syndrome: Chronic fatigue syndrome is a condition that causes persistent and severe fatigue, as well as other symptoms such as headaches, dizziness, and memory problems.

Hypothyroidism: Hypothyroidism is a condition in which the thyroid gland does not produce enough thyroid hormone, which can lead to symptoms such as fatigue, depression, muscle weakness, and weight gain.

Nutritional deficiencies: Nutritional deficiencies, such as iron deficiency or vitamin B12 deficiency, can cause a range of symptoms including fatigue, irritability, headache, and constipation.

Head injuries: Head injuries, such as concussions, can cause a range of symptoms including headaches, mood changes, difficulty concentrating, and fatigue.

While it is natural to go through phases of feeling down or disinterested in life, it is important to talk to a doctor if your symptoms are severe or persist for more than a few weeks.