Related Clues:

• Upset tummy
• Reason to take Mylanta
• Reason to take Alka-Seltzer
• Maalox target, slangily
• Butterflies, so to speak
• Butterflies, by another name
• Anxiety, informally
• Mental aggravation
• Anxious feeling, informally
• Result of stress, maybe
• Nervous stress
• Aggravated feeling
• Stressed feeling