- Baclofen
- Baricitinib
- Batrafen®
- BCG vaccine
- Beclazone®
- Beclometasone (inhaler)
- Beconase®
- Benadryl®
- Bendrofluazide
- Bendroflumethiazide
- Benralizumab
- Benzathine penicillin
- Benzbromarone
- Benzodiazepines
- Benzoyl peroxide
- Beta blockers
- Beta®
- Betahistine
- Betnovate C®
- Betnovate®
- Bexsero
- Bezafibrate
- Bezalip Retard®
- Bezalip®
- Biosimilar medicines
- Biotin
- Bisoprolol
- Bisphosphonates
- BK Lotion®
- Blood pressure medicines
- Bonjela teething gel®
- Bonvit®
- Bosvate®
- Bowel cleansing medicines
- Brand changes
- Brand changes – recent changes
- Brand changes – why
- Breezhaler
- Breo Ellipta®
- Brevinor®
- Brevinor-1®
- Bricanyl®
- Buccastem®
- Budesonide (oral)
- Budesonide + formoterol
- Budesonide inhaler
- Bulk-forming laxatives
- Bumetanide
- Bupropion (Zyban®) to quit smoking
- Bupropion for depression
- Burinex®
- Buspirone
- Butacort®