Lithium Carbonicum is a homeopathic remedy for profuse menstruation, muscle soreness, rheumatism shoulder-joint, arm, and fingers and small joints, headache ceases while eating. Modalities:: WORSE from morning; right side; night; menses; motion. BETTER from rest; eating; urinating; motion; rising; moving about outside. SOURCE: Robin Murphy Lotus Materia Medica
You can find Lithium Carbonicum Pills at Remedy Source.