This white, round pill imprinted with H 106 is a hydroxyzine hydrochloride 25 MG (hydroxyzine pamoate 42.6 MG) Oral Tablet, per the NIH.
Hydroxyzine Hydrochloride is a human prescription drug. The active pharmaceutical ingredient is hydroxyzine hydrochloride and is classified as, "Antihistamine [EPC], Histamine Receptor Antagonists [MoA]."
This pill is made by a total of 9 firms: (1) Heritage Pharmaceuticals Inc., (2) Heritage Pharmaceuticals Inc, (3) Blenheim Pharmacal, Inc., (4) Rebel Distributors Corp, (5) REMEDYREPACK INC. , (6) H.J. Harkins Company, Inc., (7) RedPharm Drug Inc., (8) Lake Erie Medical & Surgical Supply DBA Quality Care Products LLC, and (9) Physicians Total Care, Inc.
There are 5 other white pills that with a similar imprint: "H 106". They may be a different dosage of the same drug or a different drug entirely.