This brown, oval pill imprinted with G38 is a trandolapril 4 MG / Verapamil hydrochloride 240 MG 24 HR Extended Release Tablet, per the NIH.
Trandolapril and Verapamil Hydrochloride is a human prescription drug. The active pharmaceutical ingredient is trandolapril; verapamil hydrochloride and is classified as, "Angiotensin Converting Enzyme Inhibitor [EPC], Angiotensin-converting Enzyme Inhibitors [MoA], Calcium Channel Antagonists [MoA], Calcium Channel Blocker [EPC]."
This pill is made by Glenmark Generics Inc., USA
There are 2 other brown pills that with a similar imprint: "G38". They may be a different dosage of the same drug or a different drug entirely.