Lidocaine, an amide local anesthetic, has anti-inflammatory properties in vitro and in vivo, possibly due to an attenuation of pro-inflammatory cytokines, intracellular adhesion molecule-1 (ICAM-1), and reduction of neutrophils influx.

Lexacalcitol

Levosulpiride is the (S)-enantiomer of sulpiride, which is a D2 receptor a antagonist, an atypical antipsychotic drug of the benzamide class.

Levosimendan

Levonorgestrel(Levonelle)

Levofloxacin (Levaquin)

Levobupivacaine HCL

Levetiracetam

Levamisole HCl(Ergamisol)

Leucovorin Calcium is a reduced folic acid.

Leflunomide

L-Arginine is the nitrogen donor for synthesis of nitric oxide, a potent vasodilator that is deficient during times of sickle cell crisis.

Lansoprazole(AG 1749) is a proton pump inhibitor which prevents the stomach from producing acid.

Landiolol Hydrochloride

Lamotrigine(BW430C) is a novel anticonvulsant drug for inhibition of 5-HT and sodium channel.

Lafutidine

Lactulose (Enulose)

L(+)-Rhamnose Monohydrate

L-(-)-α-Methyldopa hydrate is an alpha-adrenergic agonist (selective for α2-adrenergic receptors) psychoactive drug used as a sympatholytic or antihypertensive.

Kinetin (6-Furfuryladenine)

Ketotifen (fumarate) is a second-generation noncompetitive H1-antihistamine and mast cell stabilizer, which is used to prevent asthma attacks.

Ketorolac (Ketorolac tromethamine, Toradol) is a non-selective COX inhibitor with strong analgesic activity.

Ketoprofen (Actron) is a non-selective NSAID with IC50 of 0.5 μM and 2.33 μM for human recombinant COX-1 and COX-2, respectively.

Itraconazole (Sporanox)

Isotretinoin(13-cis-Retinoic acid) is a medication used for the treatment of severe acne. It was first developed to be used as a chemotherapy medication for the treatment of brain cancer, pancreatic cancer and more.

Isosorbide mononitrate(Isosorbide-5-mononitrate) is a nitrate-class compound used for angina pectoris; acts by dilating the blood vessels so as to reduce the blood pressure.

Isoprenaline Hydrochloride is a non-selective beta-adrenergic agonist and structurally similar to adrenaline.

Isoliquiritigenin

Isepamicin

Irsogladine maleate is a selective PDE4 inhibitor that facilitates gap junction intercellular communication through muscarinic acetylcholine receptor binding. It is a potent inhibitor of angiogenesis in wild-type and plasminogen activator-deficient mice.