- Sybron Brand
- Syclop Brand
- Syclopid Brand
- Sydenprazole Brand
- Sydepres Brand
- Sylomet Brand
- Syltrifil Brand
- Sylvite Brand
- Symbicort Rapihaler Brand
- Symbicort Turbuhaler Brand
- Symmetrel Brand
- Symmetrel For Flu Brand
- Synactiv Brand
- Synalar 10/Synalar 25/Synalar HP Brand
- Synalar Otic Brand
- Syncloxil/Syncloxil Forte Brand
- Syndal/Syndal Forte Brand
- Synermed Brand
- Synerzole Brand
- Synflorix Brand
- Syngly-4 Brand
- Synmex Brand
- Synol Brand
- Synotec Brand
- Synove Brand
- Syntemax Brand
- Syntesor Brand
- Synthivan Brand
- Synthroid Brand
- Syntocinon Brand
- Syntopic Brand
- Synvisc/Synvisc-One Brand
- Synvodex Brand
- Syplex Brand
- Systane Brand
- Systane Balance Brand
- Systane Complete Brand
- Systane Complete Preservative-Free Brand
- Systane Gel Drops Brand
- Systane Hydration Brand
- Systane Hydration Preservative-Free Brand
- Systane Ultra Brand
- Systane Ultra MDPF Brand
- Systane Ultra UD Brand
- Systocor Brand