This orange, round pill imprinted with 3571 V is a Hydrochlorothiazide 25 MG Oral Tablet, per the NIH.
Hydrochlorothiazide is a human prescription drug. The active pharmaceutical ingredient is hydrochlorothiazide and is classified as, "Increased Diuresis [PE], Thiazide Diuretic [EPC], Thiazides [Chemical/Ingredient]."
This pill is made by a total of 13 firms: (1) Qualitest Pharmaceutical, Inc., (2) McKesson Packaging Services a business unit of McKesson Corporation, (3) State of Florida DOH Central Pharmacy, (4) Dispensing Solutions, Inc., (5) American Health Packaging, (6) Cardinal Health, (7) NCS HealthCare of KY, Inc dba Vangard Labs, (8) STAT Rx USA LLC, (9) Preferred Pharmaceuticals, Inc, (10) McKesson Contract Packaging, (11) Legacy Pharmaceutical Packaging, (12) REMEDYREPACK INC. , and (13) Blenheim Pharmacal, Inc.
There is 1 other orange pill that with a similar imprint: "3571 V". They may be a different dosage of the same drug or a different drug entirely.