Prunus Spinosa is a homeopathic remedy for toothache, piercing toothache, as if teeth were pulled out; worse, taking anything warm. Neuralgia. Worse stooping; ascending; touch and pressure; motion; jarring; must walk carefully; night; warm food (toothache). Better rest; doubling up; biting the teeth together ameliorates toothache. Source: Boericke Materia Medica
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