- Y-Cof DMX? (as a combination product containing Brompheniramine, Dextromethorphan, Phenylephrine)see Phenylephrine
- Y-Cof? DMX (as a combination product containing Brompheniramine, Dextromethorphan, Phenylephrine)see Brompheniramine
- Yasmin? (as a combination product containing Drospirenone, Ethinyl Estradiol)see Estrogen and Progestin (Oral Contraceptives)
- Yaz? (as a combination product containing Drospirenone, Ethinyl Estradiol)see Estrogen and Progestin (Oral Contraceptives)
- Ycanth?see Cantharidin Topical
- Yellow Fever Vaccine
- Yervoy?see Ipilimumab Injection
- Yescarta?see Axicabtagene Ciloleucel Injection
- YF-VAX?see Yellow Fever Vaccine
- Yondelis?see Trabectedin Injection
- Yosprala?see Aspirin and Omeprazole
- Yupelri?see Revefenacin Oral Inhalation
- Yusimry? (adalimumab-aqvh)see Adalimumab Injection