FDA Orange Book · active-ingredient family
Hydroxyzine hydrochloride
Hydroxyzine hydrochloride: 3 brands, 104 generics; first approved Jan 22, 1982; generic available.
Generic availableHas discontinued products
Generic status & protection
Generic available: 104 ANDA applications approved.
Brands (NDA)
3
Generics (ANDA)
104
Listed patents
0
Presentations
146
Brand (NDA) products
Originator applications
- VISTARILRLDPFIZERNDA 011111-2 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG/ML INJECTABLE INJECTION Discontinued - 50MG/ML INJECTABLE INJECTION Discontinued - - ATARAXRLDPFIZERNDA 010392-4 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG TABLET ORAL Discontinued - 25MG TABLET ORAL Discontinued - 100MG TABLET ORAL Discontinued - 50MG TABLET ORAL Discontinued - - ROERIGNDA 010485-
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG/5ML SYRUP ORAL Discontinued -
Generic (ANDA) products (104)
Abbreviated applications
- HYDROXYZINE HYDROCHLORIDESCIEGEN PHARMSANDA 2202712026
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG/5ML SYRUP ORAL Rx AA - HYDROXYZINE HYDROCHLORIDENOVITIUM PHARMAANDA 2196482025
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG/5ML SYRUP ORAL Rx AA - HYDROXYZINE HYDROCHLORIDEBIONPHARMAANDA 2192892025
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG/5ML SYRUP ORAL Rx AA - HYDROXYZINE HYDROCHLORIDEGRAVITI PHARMSANDA 21765220233 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG TABLET ORAL Rx AB 25MG TABLET ORAL Rx AB 50MG TABLET ORAL Rx AB - HYDROXYZINE HYDROCHLORIDEAPOZEAL PHARMSANDA 2106342019
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG/5ML SYRUP ORAL Rx AA - HYDROXYZINE HYDROCHLORIDENUVO PHARMS INCANDA 20712120173 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Rx AB 10MG TABLET ORAL Rx AB 50MG TABLET ORAL Rx AB - HYDROXYZINE HYDROCHLORIDEHERITAGEANDA 20427920143 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG TABLET ORAL Rx AB 25MG TABLET ORAL Rx AB 50MG TABLET ORAL Rx AB - HYDROXYZINE HYDROCHLORIDELANNETT CO INCANDA 2016742013
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG/5ML SYRUP ORAL Rx AA - HYDROXYZINE HYDROCHLORIDERISINGANDA 09117620103 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG TABLET ORAL Discontinued - 25MG TABLET ORAL Discontinued - 50MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEAMNEAL PHARMANDA 04080820083 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG TABLET ORAL Discontinued - 25MG TABLET ORAL Discontinued - 50MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDECHARTWELL RXANDA 04080420083 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG TABLET ORAL Rx AB 25MG TABLET ORAL Rx AB 50MG TABLET ORAL Rx AB - HYDROXYZINE HYDROCHLORIDESUN PHARM INDS INCANDA 04089920083 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG TABLET ORAL Discontinued - 25MG TABLET ORAL Discontinued - 50MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEHETERO LABS LTD IIIANDA 04080520083 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG TABLET ORAL Rx AB 25MG TABLET ORAL Rx AB 50MG TABLET ORAL Rx AB - HYDROXYZINE HYDROCHLORIDENORTHSTAR HLTHCAREANDA 04084020083 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 50MG TABLET ORAL Rx AB 10MG TABLET ORAL Rx AB 25MG TABLET ORAL Rx AB - HYDROXYZINE HYDROCHLORIDESOMERSET THERAPS LLCANDA 04081220083 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG TABLET ORAL Discontinued - 25MG TABLET ORAL Discontinued - 50MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEKVK TECHANDA 04078620073 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG TABLET ORAL Rx AB 25MG TABLET ORAL Rx AB 50MG TABLET ORAL Rx AB - HYDROXYZINE HYDROCHLORIDEPRINSTON INCANDA 04058020053 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 50MG TABLET ORAL Rx AB 25MG TABLET ORAL Rx AB 10MG TABLET ORAL Rx AB - HYDROXYZINE HYDROCHLORIDEEPIC PHARMA LLCANDA 04060420043 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 50MG TABLET ORAL Rx AB 10MG TABLET ORAL Rx AB 25MG TABLET ORAL Rx AB - HYDROXYZINE HYDROCHLORIDEABLEANDA 0405592004
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEABLEANDA 0405622004
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEABLEANDA 0405632004
Approved strengths under this FDA application. Strength Dosage form Route Status TE 50MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEPAI HOLDINGS PHARMANDA 0403912002
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG/5ML SYRUP ORAL Rx AA - HYDROXYZINE HYDROCHLORIDEPLIVAANDA 0810541995
Approved strengths under this FDA application. Strength Dosage form Route Status TE 100MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEHIKMAANDA 0400101994
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG/5ML SYRUP ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEWATSON LABSANDA 0811491994
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEWATSON LABSANDA 0811501994
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEWATSON LABSANDA 0811511994
Approved strengths under this FDA application. Strength Dosage form Route Status TE 50MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEHALSEYANDA 0893661988
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEHALSEYANDA 0891171988
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEHALSEYANDA 0893961988
Approved strengths under this FDA application. Strength Dosage form Route Status TE 50MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEALPHARMA US PHARMSANDA 0887851988
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG/5ML SYRUP ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEACTAVIS ELIZABETHANDA 0890711986
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEACTAVIS ELIZABETHANDA 0890721986
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEACTAVIS ELIZABETHANDA 0890731986
Approved strengths under this FDA application. Strength Dosage form Route Status TE 50MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDESUN PHARM INDUSTRIESANDA 0893811986
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDESUN PHARM INDUSTRIESANDA 0893821986
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDESUN PHARM INDUSTRIESANDA 0893831986
Approved strengths under this FDA application. Strength Dosage form Route Status TE 50MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEUSL PHARMAANDA 0891211986
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEUSL PHARMAANDA 0891221986
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEUSL PHARMAANDA 0891231986
Approved strengths under this FDA application. Strength Dosage form Route Status TE 50MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEPHARMAFAIRANDA 0888621986
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG/ML INJECTABLE INJECTION Discontinued - - HYDROXYZINE HYDROCHLORIDEPHARMAFAIRANDA 0891061986
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG/ML INJECTABLE INJECTION Discontinued - - HYDROXYZINE HYDROCHLORIDEPHARMAFAIRANDA 0888811986
Approved strengths under this FDA application. Strength Dosage form Route Status TE 50MG/ML INJECTABLE INJECTION Discontinued - - HYDROXYZINE HYDROCHLORIDEPHARMAFAIRANDA 0891071986
Approved strengths under this FDA application. Strength Dosage form Route Status TE 50MG/ML INJECTABLE INJECTION Discontinued - - HYDROXYZINE HYDROCHLORIDERLDRSPLIVAANDA 0886171986
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG TABLET ORAL Rx AB - HYDROXYZINE HYDROCHLORIDERLDRSPLIVAANDA 0886181986
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Rx AB - HYDROXYZINE HYDROCHLORIDERLDPLIVAANDA 0886191986
Approved strengths under this FDA application. Strength Dosage form Route Status TE 50MG TABLET ORAL Rx AB - HYDROXYZINE HYDROCHLORIDEQUANTUM PHARMICSANDA 0885401985
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEQUANTUM PHARMICSANDA 0885511985
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEQUANTUM PHARMICSANDA 0885291985
Approved strengths under this FDA application. Strength Dosage form Route Status TE 50MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDESUPERPHARMANDA 0887941984
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDESUPERPHARMANDA 0887951984
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDESUPERPHARMANDA 0887961984
Approved strengths under this FDA application. Strength Dosage form Route Status TE 50MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEPUREPAC PHARMANDA 0881201984
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEPUREPAC PHARMANDA 0881211984
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEPUREPAC PHARMANDA 0881221984
Approved strengths under this FDA application. Strength Dosage form Route Status TE 50MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEMUTUAL PHARMANDA 0884091983
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEWATSON LABSANDA 0883481983
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEWATSON LABSANDA 0883491983
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEWATSON LABSANDA 0883501983
Approved strengths under this FDA application. Strength Dosage form Route Status TE 50MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEMUTUAL PHARMANDA 0878571983
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEMUTUAL PHARMANDA 0878601983
Approved strengths under this FDA application. Strength Dosage form Route Status TE 50MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDESUN PHARM INDUSTRIESANDA 0878621983
Approved strengths under this FDA application. Strength Dosage form Route Status TE 100MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEFRESENIUS KABI USAANDA 0881841983
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG/ML INJECTABLE INJECTION Discontinued - - HYDROXYZINE HYDROCHLORIDEFRESENIUS KABI USAANDA 0881851983
Approved strengths under this FDA application. Strength Dosage form Route Status TE 50MG/ML INJECTABLE INJECTION Discontinued - - HYDROXYZINE HYDROCHLORIDEAUROBINDO PHARMA LTDANDA 08787119823 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 50MG TABLET ORAL Rx AB 10MG TABLET ORAL Rx AB 25MG TABLET ORAL Rx AB - HYDROXYZINE HYDROCHLORIDEKV PHARMANDA 0877301982
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG/5ML SYRUP ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEKV PHARMANDA 0878191982
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEKV PHARMANDA 0878201982
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEKV PHARMANDA 0878211982
Approved strengths under this FDA application. Strength Dosage form Route Status TE 50MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEKV PHARMANDA 0878221982
Approved strengths under this FDA application. Strength Dosage form Route Status TE 100MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEALTANAANDA 08727319822 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG/ML INJECTABLE INJECTION Discontinued - 50MG/ML INJECTABLE INJECTION Discontinued - - HYDROXYZINE HYDROCHLORIDERLDRSCHARTWELL RXANDA 0872941982
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG/5ML SYRUP ORAL Rx AA - HYDROXYZINE HYDROCHLORIDESTRIDES PHARMA INTLANDA 0876021982
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDESTRIDES PHARMA INTLANDA 0876031982
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDERLDSTRIDES PHARMA INTLANDA 0876041982
Approved strengths under this FDA application. Strength Dosage form Route Status TE 50MG TABLET ORAL Discontinued - - BAXTER HLTHCAREANDA 085551-2 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG/ML INJECTABLE INJECTION Discontinued - 50MG/ML INJECTABLE INJECTION Discontinued - - HYDROXYZINE HYDROCHLORIDERLDRSAM REGENTANDA 087408-2 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG/ML INJECTABLE INJECTION Rx - 50MG/ML INJECTABLE INJECTION Rx - - HYDROXYZINE HYDROCHLORIDEDR REDDYSANDA 085779-
Approved strengths under this FDA application. Strength Dosage form Route Status TE 50MG/ML INJECTABLE INJECTION Discontinued - - HYDROXYZINE HYDROCHLORIDEFRESENIUS KABI USAANDA 087329-2 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG/ML INJECTABLE INJECTION Discontinued - 50MG/ML INJECTABLE INJECTION Discontinued - - HYDROXYZINE HYDROCHLORIDEHOSPIRAANDA 087416-
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG/ML INJECTABLE INJECTION Discontinued - - HYDROXYZINE HYDROCHLORIDEHOSPIRAANDA 086821-
Approved strengths under this FDA application. Strength Dosage form Route Status TE 50MG/ML INJECTABLE INJECTION Discontinued - - HYDROXYZINE HYDROCHLORIDEHOSPIRAANDA 087546-
Approved strengths under this FDA application. Strength Dosage form Route Status TE 50MG/ML INJECTABLE INJECTION Discontinued - - HYDROXYZINE HYDROCHLORIDESMITH AND NEPHEWANDA 087592-
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG/ML INJECTABLE INJECTION Discontinued - - HYDROXYZINE HYDROCHLORIDESOLOPAKANDA 086822-
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG/ML INJECTABLE INJECTION Discontinued - - HYDROXYZINE HYDROCHLORIDESOLOPAKANDA 087591-
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG/ML INJECTABLE INJECTION Discontinued - - HYDROXYZINE HYDROCHLORIDESOLOPAKANDA 087310-
Approved strengths under this FDA application. Strength Dosage form Route Status TE 50MG/ML INJECTABLE INJECTION Discontinued - - HYDROXYZINE HYDROCHLORIDESOLOPAKANDA 087593-
Approved strengths under this FDA application. Strength Dosage form Route Status TE 50MG/ML INJECTABLE INJECTION Discontinued - - HYDROXYZINE HYDROCHLORIDESOLOPAKANDA 087595-
Approved strengths under this FDA application. Strength Dosage form Route Status TE 50MG/ML INJECTABLE INJECTION Discontinued - - HYDROXYZINE HYDROCHLORIDESOLOPAKANDA 087596-
Approved strengths under this FDA application. Strength Dosage form Route Status TE 50MG/ML INJECTABLE INJECTION Discontinued - - HYDROXYZINE HYDROCHLORIDEWATSON LABSANDA 085778-
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG/ML INJECTABLE INJECTION Discontinued - - HYDROXYZINE HYDROCHLORIDEWATSON LABSANDA 087274-2 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG/ML INJECTABLE INJECTION Discontinued - 50MG/ML INJECTABLE INJECTION Discontinued - - HYDROXYZINE HYDROCHLORIDEWYETH AYERSTANDA 086258-2 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG/ML INJECTABLE INJECTION Discontinued - 50MG/ML INJECTABLE INJECTION Discontinued - - ORGANON USA INCANDA 087014-2 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG/ML INJECTABLE INJECTION Discontinued - 50MG/ML INJECTABLE INJECTION Discontinued - - HYDROXYZINE HYDROCHLORIDERISINGANDA 086880-
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG/5ML SYRUP ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEIVAX PHARMSANDA 087216-
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEIVAX PHARMSANDA 087410-
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEIVAX PHARMSANDA 087411-
Approved strengths under this FDA application. Strength Dosage form Route Status TE 50MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDESANDOZANDA 087246-
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDESANDOZANDA 085247-
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDESANDOZANDA 087245-
Approved strengths under this FDA application. Strength Dosage form Route Status TE 50MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEWATSON LABSANDA 086827-
Approved strengths under this FDA application. Strength Dosage form Route Status TE 10MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEWATSON LABSANDA 086829-
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Discontinued - - HYDROXYZINE HYDROCHLORIDEWATSON LABSANDA 086836-
Approved strengths under this FDA application. Strength Dosage form Route Status TE 50MG TABLET ORAL Discontinued -
Listed patents
Orange Book patent file
No patents are listed against this product in the Orange Book. Listed patents reflect those the NDA holder submits under 21 U.S.C. 355 and are not exhaustive.
Approval history
FDA approval span
First approval
45 yr 5 mo ago
Most recent approval
4 mo ago
Approvals span 1982–2026 across 107 FDA applications.
Brand (NDA) 33%
Generic (ANDA) 10497%
Hydroxyzine hydrochloride: frequently asked questions
Generics, reference-listed drug, patents, and exclusivity for this active ingredient, from the FDA Orange Book.
Built directly from the FDA Orange Book data file (products, patents, and exclusivity). TE codes, RLD/RS flags, patent expirations, and exclusivity dates match the official FDA record. Listed patents reflect those the NDA holder submits under 21 U.S.C. 355 and are not exhaustive.
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