- Bacampicillin
- Bacitracin
- Baclofen
- Beclomethasone
- Belladonna
- Benazepril
- Bendroflumethiazide
- Benzthiazide
- Benztropine
- Bepridil
- b-Carotene
- Betamethasone
- Betaxolol
- Bethanechol
- Bexarotene
- Biperiden
- Bismuth Subsalicylate
- Bisoprolol
- Bleomycin
- Bretylium
- Bromides
- Bromocriptine
- Bromodiphenhydramine
- Brompheniramine
- Buclizine
- Budesonide
- Bumetanide
- Buprenorphine
- Bupropion
- Buspirone
- Busulfan
- Butalbital
- Butaperazine
- Butoconazole
- Butorphanol
- Butriptyline
