Mar's Antiseptic Compound
Marvelae
Mason & Pollard's Anti-Malaria Pills
Max Samson's Liver Salt
Medicinal Alum
Mercurochrome
Mill Ticket from Hagner's Drug Mills
Mr. Erasmus Wilson's Hair Wash
Muriatic Acid
Mustard Oil
Neo-Silvol
Nervitoro
Nitric Acid
Nitric Acid - Poison