Modifiers matching upset:

• operational,
• intestinal,
• gastrointestinal,
• emotional,
• common,
• digestive,
• gi,
• metabolic,
• somatic,
• vague,
• persistent,
• mental,
• gastric,
• severe,
• political,
• haematological,
• minor,
• internal,
• systemic,
• physical,

Simple categories matching vague:

• upset,
• complaint,
• cause,
• condition,
• symptom,
• aura,