Dreams dictionary: Scratch

Dreams dictionary: Interpretation 1
To dream that you are scratching yourself symbolizes a minor irritation or frustration. Perhaps something that started out as minor may have the potential to become worse. Or somebody may have hit a sore spot in you.
Dreams dictionary: Interpretation 2
To see a scratch in your dream suggests that you are feeling anxiety about having to start over or begin something "from scratch".
Dreams dictionary: Miller Dream Interpretation
To scratch others in your dream, denotes that you will be ill-tempered and fault-finding in your dealings with others. If you are scratched, you will be injured by the enmity of some deceitful person.