Indicated for Alternating sides, Despondent, Sore throat. Lac caninum is a homeopathic remedy often thought of for pains that travel erratically from side to side - particularly sore throats and minor arthritic pains. The patient needing this remedy may also be forgetful and sad and worse morning of one day and in the evening of next and better from cold and cold drinks. This homeopathic remedy is made from dogs milk. Active ingredient: Lac caninum [HPUS]. Inactive ingredients: Sucrose/lactose pellets. All single remedies are made and packaged in glass.