L194 Pill - white round, 8mm Pill with imprint L194 is White, Round and has been identified as Famotidine 20 mg. It is supplied by Major Pharmaceuticals Inc.Famotidine is used in the treatment of Erosive Esophagitis; Duodenal Ulcer; Cutaneous Mastocytosis; GERD; Duodenal Ulcer Prophylaxis and ...