 [ Symptoms ] hi my dad has a fever lower left quadrant pain he is tired and no appetite [ Disease ] your dad may be having some intra abdominal pathology causing the pain needs a abdominal scan to come to a diagnosis feeling tired nausea weight loss can be due to abdominal koch is get his blood checked for igg igm and elisa for kochs a ct scan of abdomen with contrast will be helpful to rule out other pathologies