This brown, round pill imprinted with TEVA 5729 is a Famotidine 40 MG Oral Tablet, per the NIH.
Famotidine is a human prescription drug. The active pharmaceutical ingredient is famotidine and is classified as, "Histamine H2 Receptor Antagonists [MoA], Histamine-2 Receptor Antagonist [EPC]."
This pill is made by a total of 2 firms: (1) IVAX Pharmaceuticals, Inc., and (2) NCS HealthCare of KY, Inc dba Vangard Labs
There is 1 other brown pill that with a similar imprint: "TEVA 5729". They may be a different dosage of the same drug or a different drug entirely.