Symptoms with many possibilities, want an accurate answer.

Patient: I some symptoms I wonder if I could get diagnosed.WeaknessAchynessSleepyness (but can’t actually sleep)Feces is liquid and constantlight headacheStomach in knots, not quite nauseous, not quite hungry

Symptoms: Weakness
Achyness
Sleepyness (but can’t actually sleep)
Feces is liquid and constant
light headache
Stomach in knots, not quite nauseous, not quite hungry

Doctor: