Levothyroxine Levothroid (Generic Levothyroxine) Levorphanol Levora (Generic Estrogen and Progestin (Oral Contraceptives)) Levonorgestrel Intrauterine System Levonorgestrel Levomilnacipran Levoleucovorin Injection Levofloxacin Injection Levofloxacin Levodopa and Carbidopa Levocetirizine Levobunolol Ophthalmic Levo-T (Generic Levothyroxine) Levo-Dromoran (Generic Levorphanol) 1 2 3 … 11 12 13 14 15 16 17 … 19 20 21