| Baclofen (3/0) | Balanced Salt Solution (1/0) | Balsalazide (3/0) |
| Basiliximab (2/0) | BCG (4/0) | Becaplermin (2/0) |
| Beclomethasone (3/0) | Belladonna Alkaloids (4/0) | Benazepril (4/0) |
| Benzonatate (2/0) | Benzoyl Peroxide (3/0) | Benzphetamine (2/0) |
| Benztropine (2/0) | Bepridil (2/0) | Beractant (2/0) |
| Beta Interferon (13/0) | Betaine (2/0) | Betamethasone (6/0) |
| Betaxolol (4/0) | Bethanechol (2/0) | Bevacizumab (3/0) |
| Bexarotene (3/0) | Bicalutamide (3/0) | BiDil (2/0) |
| Bimatoprost (3/0) | Biperiden (2/0) | Bismuth (2/0) |
| Bisoprolol (4/0) | Bivalirudin (2/0) | Bleomycin (3/0) |
| Bortezomib (2/0) | Bosentan (4/0) | Botulinum Toxin (5/0) |
| Brimonidine (2/0) | Brinzolamide (3/0) | Bromocriptine (4/0) |
| Budesonide (3/2) | Bumetanide (3/0) | Bupivacaine (2/0) |
| Buprenorphine (4/0) | Bupropion (7/0) | Buspirone (3/0) |
| Busulfan (2/0) | Butalbital (4/0) | Butenafine (2/0) |
| Butoconazole (3/0) | Butorphanol (3/0) |