Homeopathic Remedies for Fingers and Nails Biting
Ammonium brom. (One dose only): Irritable feeling under the finger nails. Relieved only by biting them.
Arum triph. (One dose only): Biting of lips and biting of fingers and nails.
Causticum (One dose only): Biting of cheeks or tongue while eating.
Ignatia amara (One dose only): Biting inside cheeks while eating or biting of tongue while eating.
Phytolacca dec. (One dose only): Irresistible desire to bite gums and teeth together.