Constipation may be classified according to etiology into five subtypes:  
Gastrointestinal Neurologic Metabolic Endocrine Psychiatric
What are the types of constipation classified as?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: What are the types of constipation classified as? [/INST] \n Constipation may be classified according to etiology into five subtypes:  
Gastrointestinal Neurologic Metabolic Endocrine Psychiatric</s>