Medicines Beginning With L

32 medicines in the Drug Guide begin with the letter L. Every name links to a plain-language page covering what the medicine is for, its common side effects, its major cautions and — for most — a kidney note.

A B C D E F G H I K L M N O P Q R S T U V W Z

Medicine	Brand names	Used for
Labetalol	Trandate, Normodyne	High blood pressure; High blood pressure emergencies (hospital)
Lacosamide	Vimpat	Seizure disorders (focal seizures); Generalized seizures, in combination treatment
Lactulose	Constulose, Enulose	Constipation; Reducing ammonia buildup in liver failure (hepatic encephalopathy)
Lamotrigine	Lamictal	Bipolar disorder maintenance; Seizure disorders
Lansoprazole	Prevacid	Acid reflux and heartburn (GERD); Stomach and intestinal ulcers
Lanthanum carbonate	Fosrenol	Lowering phosphate in chronic kidney disease; Lowering phosphate in dialysis patients
Latanoprost	Xalatan	Glaucoma; High pressure inside the eye
Leflunomide	Arava	Rheumatoid arthritis; Psoriatic arthritis, on specialist advice
Letermovir	Prevymis	Preventing cytomegalovirus (CMV) infection after stem cell transplant; Preventing CMV disease after kidney transplant in high-risk patients
Letrozole	Femara	Breast cancer treatment in postmenopausal women; Ovulation induction for infertility (clinician-directed)
Levalbuterol	Xopenex	Asthma attacks and flare-ups; COPD flare-ups
Levetiracetam	Keppra	Seizure disorders (several types); Seizures in hospital settings
Levocetirizine	Xyzal	Seasonal and year-round allergies; Hives
Levofloxacin	Levaquin	Pneumonia; Urinary tract and prostate infections
Levonorgestrel	Plan B, Mirena, Kyleena	Emergency contraception after unprotected sex (tablets); Long-term contraception (hormonal IUDs)
Levothyroxine	Synthroid, Levoxyl	Underactive thyroid (hypothyroidism); After thyroid removal or radioactive iodine treatment
Lidocaine	Lidoderm, Xylocaine	Numbing skin before procedures; Nerve pain after shingles (patches)
Linaclotide	Linzess	Chronic constipation; Irritable bowel syndrome with constipation
Linagliptin	Tradjenta	Type 2 diabetes; A DPP-4 option often chosen in chronic kidney disease
Linezolid	Zyvox	MRSA and resistant staph/strep infections; Pneumonia from resistant bacteria
Liothyronine	Cytomel	Underactive thyroid (hypothyroidism), usually combined with levothyroxine; Certain thyroid tests and cancers
Liraglutide	Victoza, Saxenda	Type 2 diabetes; Weight management in obesity
Lisdexamfetamine	Vyvanse	Attention deficit hyperactivity disorder (ADHD); Binge eating disorder in adults
Lisinopril	Prinivil, Zestril	High blood pressure; Heart failure
Lithium	Lithobid, Eskalith	Bipolar disorder (mania and maintenance); Added to antidepressants in some cases
Loperamide	Imodium	Diarrhea, including traveler's diarrhea; Reducing output from an ileostomy
Loratadine	Claritin	Seasonal and year-round allergies; Hives
Lorazepam	Ativan	Anxiety, short-term; Seizures, including prolonged seizures (hospital)
Losartan	Cozaar	High blood pressure; Kidney protection in type 2 diabetes
Lovastatin	Mevacor, Altoprev	High cholesterol; Reducing risk of heart attack
Lubiprostone	Amitiza	Chronic constipation; Irritable bowel syndrome with constipation in women
Lurasidone	Latuda	Schizophrenia; Bipolar depression

Please note: This page is a patient-education summary, not medical advice, and it deliberately contains no doses. Medicines affect everyone differently — always follow your own prescription and talk to your doctor or pharmacist before starting, stopping or changing any medicine.

Medicines Beginning With L

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