Modifiers matching upset:

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

Simple categories matching vague:

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