Browse Topics
Lab Tests for Fibromyalgia
Labetalol
Labor and Delivery
Labor Induction and Augmentation
Labyrinthitis
Lacosamide
Lacosamide Injection
Lactic Acid, Citric Acid, and Potassium Bitartrate Vaginal Contraceptive
Lactic Acid Dehydrogenase (LDH) Test
Lactic Acid Test
Lactose Intolerance
Lactulose
Laetrile/Amygdalin (PDQ®): Integrative, alternative, and complementary therapies - Health Professional Information [NCI]
Laetrile/Amygdalin (PDQ®): Integrative, alternative, and complementary therapies - Patient Information [NCI]
Lamivudine
Lamivudine and Tenofovir
Lamivudine and Zidovudine
Lamotrigine
Lanadelumab-flyo injection
Langerhans Cell Histiocytosis Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Langerhans Cell Histiocytosis Treatment (PDQ®): Treatment - Patient Information [NCI]
Language Development Between 12 and 24 Months of Age
Language Development From Age 6 to 10 Years
Language Development in Newborns
Lanreotide Injection
Lansoprazole
Lansoprazole, Clarithromycin, and Amoxicillin
Lanthanum
Laparoscopic Gallbladder Removal Surgery for Gallstones
Laparoscopic Gastric Banding
Laparoscopic Gastric Banding: Returning Home
Laparoscopic Inguinal Hernia Repair
Laparoscopic Ovarian Drilling (Ovarian Diathermy) for PCOS
Laparoscopic Surgery
Laparoscopic Surgery for Endometriosis
Laparoscopic Tubal Ligation
Laparoscopy
Laparoscopy
Laparoscopy in Children
Lapatinib
Larotrectinib
Laryngeal Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Laryngeal Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
Laryngitis
Laryngoscopy
Laser In-Situ Keratomileusis (LASIK) for Farsightedness
Laser Iridotomy for Glaucoma
Laser Photocoagulation and Cryopexy for Retinal Tears
Laser Photocoagulation for Age-Related Macular Degeneration
Laser Photocoagulation for Diabetic Retinopathy
Laser Resurfacing
Laser Surgery for Genital Warts
Laser Surgery for Warts
Laser Trabeculoplasty for Glaucoma
Laser Treatment for Skin Lesions
Laser Treatment for Varicose Veins
LASIK (Laser In-Situ Keratomileusis) for Nearsightedness
Lasmiditan
Last Days of Life (PDQ®): Supportive care - Health Professional Information [NCI]
Last Days of Life (PDQ®): Supportive care - Patient Information [NCI]
Latanoprost Ophthalmic
Latanoprostene Bunod Ophthalmic
Late Effects of Treatment for Childhood Cancer (PDQ®): Treatment - Health Professional Information [NCI]
Late Effects of Treatment for Childhood Cancer (PDQ®): Treatment - Patient Information [NCI]
Lateral collateral ligament injury: Fast Facts
Lateral Collateral Ligament (LCL) Injury
Laxatives
Lead (Pb) Test
Lead Poisoning
Lead Poisoning Screening
Leadless Pacemaker
Learning About Anesthesia for Adults
Learning About Anesthesia for Your Child
Learning About Blood Tests for Children
Learning About Cellulitis
Learning About Circumcision
Learning About General Anesthesia
Learning About General Anesthesia in Children
Learning About Glucagon
Learning About Insulin Pens
Learning About Noninsulin Medicines That Help Manage Type 2 Diabetes
Learning About Peripheral Nerve Blocks and I.V. Regional Anesthesia
Learning About Peripheral Nerve Blocks for Your Child
Learning About Risk for Heart Attack and Stroke
Learning About Sedation for Adults
Learning About Sedation for Your Child
Learning About Spinal and Epidural Regional Anesthesia
Learning About Spinal, Epidural, and Caudal Anesthesia for Your Child
Learning About the NICU
Learning About Your Blood Test
Learning About Your Child's Bronchoscopy
Learning About Your Child's CT Scan
Learning About Your Child's Laryngoscopy
Learning About Your Child's MRI Test
Learning About Your Child's Voiding Cystourethrogram (VCUG) Test
Learning About Your Child's X-Ray Test
Learning About Your CT Scan
Learning About Your MRI Test
Learning About Your X-Ray Test
Learning Disabilities
Learning to Say No
Lecanemab-irmb Injection
Ledipasvir and Sofosbuvir
Lefamulin
Lefamulin Injection
Leflunomide
Left Atrial Appendage Closure: Before Your Procedure
Left Atrial Appendage Closure: Returning Home
Left Ventricular Hypertrophy (LVH)
Leg Amputation
Leg Aneurysm
Leg Cramps During Pregnancy
Leg Injuries
Leg Problems, Noninjury
Legionnaires' Disease and Pontiac Fever
Lemborexant
Lenacapavir Injection
Lenacapavir Oral
Lenalidomide
Leniolisib
Lennox-Gastaut Syndrome
Lenvatinib
Leriche Syndrome
Lesinurad
Letermovir
Letermovir Injection
Letrozole
Letting It Go: Getting Past Negative Emotions
Leucovorin
Leucovorin Injection
Leukemia
Leuprolide Injection
Levalbuterol Oral Inhalation
Levels of Evidence for Adult and Pediatric Cancer Treatment Studies (PDQ®): Treatment - Health Professional Information [NCI]
Levels of Evidence for Cancer Genetics Studies (PDQ®): Genetics - Health Professional Information [NCI]
Levels of Evidence for Cancer Screening and Prevention Studies (PDQ®): Screening - Health Professional Information [NCI]
Levels of Evidence for Human Studies of Integrative, Alternative, and Complementary Therapies (PDQ®): Integrative, alternative, and complementary therapies - Health Professional Information [NCI]
Levels of Evidence for Supportive and Palliative Care Studies (PDQ®): Supportive care - Health Professional Information [NCI]
Levetiracetam
Levetiracetam Injection
Levobunolol Ophthalmic
Levocetirizine
Levodopa and Carbidopa
Levodopa Oral Inhalation
Levofloxacin
Levofloxacin Injection
Levoketoconazole
Levoleucovorin Injection
Levomilnacipran
Levonorgestrel
Levonorgestrel Intrauterine System
Levonorgestrel (LNg) IUD
Levorphanol
Levothyroxine
Levothyroxine
LGBTQ Health
L-glutamine
Lidocaine Transdermal Patch
Lidocaine Viscous
Lifestyle Changes That May Help Prevent Cancer
Lifileucel Injection
Lifitegrast Ophthalmic
Light Therapy
Linaclotide
Linagliptin
Lindane
Linda's Story: Getting Active When You Have Prediabetes
Linda's Story: Quitting Smoking Lowers My Risk
Linezolid
Linezolid Injection
Liothyronine
Liotrix
Lip and Oral Cavity Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Lip and Oral Cavity Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
Lipase Blood Test
Lipoma
Liposuction
Liraglutide Injection
Lisdexamfetamine
Lisinopril
Lisinopril and Hydrochlorothiazide
Lisocabtagene Maraleucel Injection
Listening to Your Kids
Listeriosis
Lithium
Little Leaguer's Elbow (Medial Apophysitis)
Live Shingles (Zoster) Vaccine (ZVL)
Live Zoster (Shingles) Vaccine: What You Need to Know
Liver and Spleen Scan
Liver Function Tests
Liver (Hepatocellular) Cancer Prevention (PDQ®): Prevention - Health Professional Information [NCI]
Liver (Hepatocellular) Cancer Prevention: Prevention - Patient Information [NCI]
Liver (Hepatocellular) Cancer Screening (PDQ®): Screening - Health Professional Information [NCI]
Liver (Hepatocellular) Cancer Screening: Screening - Patient Information [NCI]
Liver Resection
Liver Transplant
Liver Transplant in Children
Living Organ Donation
Living Will
Living With a Spinal Cord Injury
Living With an Ostomy
Living With Chronic Pain
Living With More Than One Health Problem
Lixisenatide Injection
Local Anesthesia
Lodoxamide Ophthalmic
Lofexidine
Log Roll Method for Safe Movement
Lomitapide
Lomustine
Lonafarnib
Lonapegsomatropin-tcgd injection
Loncastuximab Tesirine-lpyl Injection
Loneliness and Your Health
Long COVID
Long-Acting Bronchodilators for Your Child
Long-Acting Injectable Antipsychotic Medicines
Long-Term Care Choices
Loop Electrosurgical Excision Procedure (LEEP) for Abnormal Cervical Cell Changes
Loop Electrosurgical Excision Procedure (LEEP) for Genital Warts
Loperamide
Lopinavir and Ritonavir
Loralie's Story: It's Never Too Late
Loratadine
Lorazepam
Lorcaserin
Lorlatinib
Lorna's Story: There's No Fast Cure
Losartan
Loteprednol Ophthalmic
Lovastatin
Lovotibeglogene autotemcel Injection
Low Amniotic Fluid
Low Back Pain
Low Back Pain and Sex
Low Back Pain: Easing Back Into Your Daily Activities
Low Back Pain: Exercises to Reduce Pain
Low Back Pain: Keep Moving
Low Back Pain: Keeping It From Coming Back
Low Back Pain: Should I Have an MRI?
Low Back Pain: Should I Try Epidural Steroid Shots?
Low Blood Pressure (Hypotension)
Low Bone Density
Low Testosterone
Lowering Your Health Care Costs
Low-Lying Placenta Versus Placenta Previa
Low-Potassium Foods
Low-Salt Diets: Eating Out
Low-Vision Accommodations in Your Home
Loxapine
LSD
Lubiprostone
Luliconazole Topical
Lumacaftor and Ivacaftor
Lumateperone
Lumbar Discectomy: Before Your Surgery
Lumbar Discectomy: Returning Home
Lumbar Herniated Disc
Lumbar Herniated Disc: Should I Have Surgery?
Lumbar Spinal Fusion (Arthrodesis)
Lumbar Spinal Stenosis
Lumbar spinal stenosis: Fast Facts
Lumbar Spinal Stenosis: Should I Have Surgery?
Lumbar Spondylosis
Lumbar spondylosis: Fast Facts
Lumpectomy
Lumpectomy: Returning Home
Lung Biopsy
Lung Cancer
Lung Cancer and Other Lung Problems From Smoking
Lung Cancer Prevention (PDQ®): Prevention - Health Professional Information [NCI]
Lung Cancer Prevention (PDQ®): Prevention - Patient Information [NCI]
Lung Cancer Screening: Low-Dose CT Scan
Lung Cancer Screening (PDQ®): Screening - Health Professional Information [NCI]
Lung Cancer Screening (PDQ®): Screening - Patient Information [NCI]
Lung Cancer: Should I Have Screening?
Lung Function in COPD
Lung Function Tests
Lung Problems: Breathing Exercises
Lung Problems: Learning to Breathe Easier
Lung Problems: Ways to Clear Mucus
Lung Scan
Lung Surgery: Before Your Surgery
Lung Surgery for Lung Cancer
Lung Surgery: Returning Home
Lung Transplant
Lung Transplant for Cystic Fibrosis
Lungs and Airways
Lupus and Antiphospholipid Antibody Syndrome
Lupus and Pregnancy
Lupus (Systemic Lupus Erythematosus)
Lurasidone
Lurbinectedin Injection
Luspatercept-aamt Injection
Lusutrombopag
Luteinizing Hormone (LH) Test
Lutetium Lu 177 Vipivotide Tetraxetan Injection
Lyme Disease
Lyme Disease Test
Lymph Node Biopsy
Lymph Node Dissection: Self-Care at Home
Lymph Node Removal (Lymphadenectomy) for Melanoma
Lymph Node Removal Surgery (Lymphadenectomy) for Endometrial Cancer
Lymphedema
Lymphedema: Managing Lymphedema
Lymphedema (PDQ®): Supportive care - Health Professional Information [NCI]
Lymphedema: Supportive care - Patient Information [NCI]
