- Bacitracin Zinc and Polymyxin B Sulfate
- Backprin
- Bactrim
- Bactroban
- Bar-Test
- Bar-Test Cholecystographic
- Baytet
- Beconase
- Beconase AQ
- Belbuca
- Beleodaq
- Belladonna and Opium
- Belsomra
- Belviq
- Benadryl
- Bendeka
- Benefix
- Benemid
- Benicar
- Benicar HCT
- Benlysta
- Benoquin
- Bentiromide
- Bentoquatam
- Benzamycin Pak
- Benzoyl Peroxide
- Benztropine Mesylate
- Benzyl Benzoate
- Bepreve
- Berinert
- Besivance
- Betagan Levobunolol
- Betagan Ophthalmic
- Betamethacot
- Betapace
- Betasept
- Betaseron
- Betatar Gel
- Betimol
- Betoptic
- Bextra
- Beyaz
- Biaxin
- Bicnu
- BiDil
- Biltricide
- Bio-Cef
- Bio-Statin
- Biothrax
- Biscolax
- Bismatrol
- Blenoxane
- Bleph-10
- Blephamide
- Blincyto
- Blis-To-Sol
- Blocadren
- Boniva
- Bontril
- Bosulif
- Botox
- Botulism Antitoxin
- Branchamin
- Breo Ellipta
- Brethine
- Brethine (Subcutaneous)
- Brevibloc
- Brexpiprazole
- Bridion
- Brilinta
- Brisdelle
- Bromday
- Bromocriptine Mesylate
- Brovana
- Bumex (Injection Route)
- Bumex (Oral Route)
- Bunavail
- Buphenyl
- Buprenex
- Buspar
- Busulfex
- Butalbital, Aspirin, And Codeine
- Butisol
- Butrans
- Bydureon
- Bystolic