Class Indications Dosages Route Interactions Contraindications

Dosages: Congenital hypothyroidism Child: 5 mcg PO qd, increase by 5 mcg q 3-4 day until response. Myxedema Adult: 5 mcg PO qd, increase by 5-10 mcg q 1-2 wk. Maintenance 50-100 mcg qd. Goiter Child: 5 mcg PO qd, increase by 5 mcg q wk until response. Adult: 5 mcg PO qd; increase by 5-10 mcg qd q 1-2 wk to 25 mcg. Then increase by 12.5-25 mcg qd q 1-2 wk until response. Maintenance 75 mcg qd. Adult > 65 yr: 5 mcg PO qd, increase by 5-mcg q 1-2 wk to 25 mcg qd. Then increase by 12.5-25 mcg qd q 1-2 wk. Myxedema coma, precoma Adult: 25-50 mcg IV, reassess after 4-12 h, then switch to PO ASAP. Pt with known to suspected cardiac disease 10-20 mcg IV. Thyroid hormone replacement Adult: 25 mcg PO qd, increase by 12.5-25 mcg q 1-2 wk until response. Maintenance 25-75 mcg qd. Liothyronine suppression test to differentiate hyperthyroidism from euthyroidism Adult:75-100 mcg qd × 7 day.

Lactulose Lamotrigine Levofloxacin Ophthalmic Solution Levothyroxine Sodium Lidocaine (Lignocaine) Liothyronine Sodium Lithium Carbonate Loperamide Hydrochloride Loratadine Lorazepam LMWH sodsalt Labetalol Lacidipine Lactobacillus L - asparaginase L-ornithine l-aspartate Lactobacillus Sporogenes - VU Lamivudine Lansoprazole Latanoprost Lefulnomide Leucoverin Leuprolide Levamisole Levobunolol Levocetrizine Levodopa Levofloxacin Levonorgestrel Lidoflazine Lignocaine LA Lincomycin Linezolid Liq Paraffin Lisinopril Lithium Lomefloxacin Lomustine Loperamide Losartan Lovastatin Loxapine Lynoestrenol