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  1. Lab Test Results: Units of Measurement
  2. Lab Tests for Fibromyalgia
  3. labetalol (oral/injection) - Medication
  4. Labor and Delivery
  5. Labor Induction and Augmentation
  6. Labor Trial After a Previous Cesarean Delivery, Deciding About
  7. Labyrinthitis
  8. Lac-Dose - Medication
  9. Lac-Hydrin - Medication
  10. Laclotion - Medication
  11. lacosamide (oral/injection) - Medication
  12. Lacri-Lube S.O.P. - Medication
  13. Lactaid - Medication
  14. lactase - Medication
  15. Lactic Acid Dehydrogenase (LDH) Test - Medical Test
  16. Lactic Acid Test - Medical Test
  17. Lactinex - Medication
  18. lactobacillus acidophilus - Medication
  19. lactobacillus acidophilus and bulgaricus - Medication
  20. lactobacillus rhamnosus GG - Medication
  21. Lactose Intolerance
  22. Lactrase - Medication
  23. lactulose (oral) - Medication
  24. Laetrile/Amygdalin (PDQ®): Integrative, alternative, and complementary therapies - Health Professional Information [NCI]
  25. Laetrile/Amygdalin (PDQ®): Integrative, alternative, and complementary therapies - Patient Information [NCI]
  26. LaMICtal - Medication
  27. LaMICtal ODT - Medication
  28. LaMICtal XR - Medication
  29. LamISIL - Medication
  30. LamISIL AT - Medication
  31. LamISIL Defense - Medication
  32. lamivudine - Medication
  33. lamivudine and tenofovir - Medication
  34. lamivudine and zidovudine - Medication
  35. lamotrigine - Medication
  36. Lampit - Medication
  37. Lanacane - Medication
  38. lanadelumab - Medication
  39. Langerhans Cell Histiocytosis Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  40. Langerhans Cell Histiocytosis Treatment (PDQ®): Treatment - Patient Information [NCI]
  41. Language Development Between 12 and 24 Months of Age
  42. Language Development From Age 6 to 10 Years
  43. Language Development in Newborns
  44. lanolin topical - Medication
  45. Lanolor Cream - Medication
  46. Lan-O-Soothe - Medication
  47. Lanoxin - Medication
  48. lanreotide - Medication
  49. Lansinoh for Breast Feeding Mothers - Medication
  50. lansoprazole - Medication
  51. lanthanum carbonate - Medication
  52. Lantus - Medication
  53. Lantus Solostar Pen - Medication
  54. Laparoscopic Gallbladder Removal Surgery for Gallstones
  55. Laparoscopic Gastric Banding (video)
  56. Laparoscopic Gastric Banding: Returning Home (video)
  57. Laparoscopic Inguinal Hernia Repair
  58. Laparoscopic Ovarian Drilling (Ovarian Diathermy) for PCOS
  59. Laparoscopic Surgery
  60. Laparoscopic Surgery for Endometriosis
  61. Laparoscopic Tubal Ligation
  62. Laparoscopy (video)
  63. Laparoscopy - Medical Test
  64. Laparoscopy in Children (video)
  65. lapatinib - Medication
  66. Lariam - Medication
  67. laronidase - Medication
  68. larotrectinib - Medication
  69. Laryngeal Cancer Treatment (Adult) (PDQ®): Treatment - Health Professional Information [NCI]
  70. Laryngeal Cancer Treatment (Adult) (PDQ®): Treatment - Patient Information [NCI]
  71. Laryngitis
  72. Laryngoscopy - Medical Test
  73. Laser In-Situ Keratomileusis (LASIK) for Farsightedness
  74. Laser Iridotomy for Glaucoma
  75. Laser Photocoagulation and Cryopexy for Retinal Tears
  76. Laser Photocoagulation for Age-Related Macular Degeneration
  77. Laser Photocoagulation for Diabetic Retinopathy
  78. Laser Resurfacing
  79. Laser Surgery for Genital Warts
  80. Laser Surgery for Skin Cancer
  81. Laser Surgery for Warts
  82. Laser Trabeculoplasty for Glaucoma
  83. Laser Treatment for Varicose Veins
  84. LASIK (Laser In-Situ Keratomileusis) for Nearsightedness
  85. Lasix - Medication
  86. lasmiditan - Medication
  87. Last Days of Life (PDQ®): Supportive care - Health Professional Information [NCI]
  88. Last Days of Life (PDQ®): Supportive care - Patient Information [NCI]
  89. Lastacaft - Medication
  90. latanoprost and netarsudil ophthalmic - Medication
  91. latanoprost ophthalmic - Medication
  92. latanoprostene bunod ophthalmic - Medication
  93. Late Effects of Treatment for Childhood Cancer (PDQ®): Treatment - Health Professional Information [NCI]
  94. Late Effects of Treatment for Childhood Cancer (PDQ®): Treatment - Patient Information [NCI]
  95. Lateral Collateral Ligament (LCL) Injury
  96. Latisse - Medication
  97. Latuda - Medication
  98. laureth-9 (polidocanol) - Medication
  99. Lavacol - Medication
  100. lavender - Medication
  101. Laxatives
  102. Laxmar - Medication
  103. Lazanda - Medication
  104. Lazer Creme (obsolete) - Medication
  1. Lead (Pb) Test - Medical Test
  2. Lead Poisoning
  3. Lead Poisoning Screening
  4. Leader Acid Reducer - Medication
  5. Leader Allergy Relief D-24 - Medication
  6. Leader Lice Solution - Medication
  7. Leader Nicotine Polacrilex - Medication
  8. Leadless Pacemaker
  9. Learning About Blood Tests for Children (video)
  10. Learning About Circumcision (video)
  11. Learning About Insulin Pens (video)
  12. Learning About Risk for Heart Attack and Stroke (video)
  13. Learning About the NICU (video)
  14. Learning About Your Blood Test (video)
  15. Learning About Your Child's Bronchoscopy (video)
  16. Learning About Your Child's CT Scan (video)
  17. Learning About Your Child's Laryngoscopy (video)
  18. Learning About Your Child's MRI Test (video)
  19. Learning About Your Child's Voiding Cystourethrogram (VCUG) Test (video)
  20. Learning About Your Child's X-Ray Test (video)
  21. Learning About Your CT Scan (video)
  22. Learning About Your MRI Test (video)
  23. Learning About Your X-Ray Test (video)
  24. Learning Disabilities
  25. Learning to Say No
  26. lecithin - Medication
  27. Lecithin-Softgels - Medication
  28. ledipasvir and sofosbuvir - Medication
  29. lefamulin (oral/injection) - Medication
  30. leflunomide - Medication
  31. Left Ventricular Hypertrophy (LVH)
  32. Leg Amputation
  33. Leg Aneurysm
  34. Leg Cramps During Pregnancy
  35. Leg Injuries
  36. Leg Problems, Noninjury
  37. Legatrin PM - Medication
  38. Legionnaires' Disease and Pontiac Fever
  39. lemborexant - Medication
  40. lenalidomide - Medication
  41. Lennox-Gastaut Syndrome
  42. lenvatinib - Medication
  43. Lenvima - Medication
  44. Leriche's Syndrome
  45. Lescol - Medication
  46. Lescol XL - Medication
  47. Letairis - Medication
  48. letermovir (oral/injection) - Medication
  49. letrozole - Medication
  50. letrozole and ribociclib - Medication
  51. Letting It Go: Getting Past Negative Emotions
  52. leucovorin (injection) - Medication
  53. leucovorin (oral) - Medication
  54. Leukemia
  55. Leukeran - Medication
  56. Leukine - Medication
  57. leuprolide - Medication
  58. leuprolide and norethindrone - Medication
  59. Leustatin - Medication
  60. levalbuterol inhalation - Medication
  61. levamlodipine - Medication
  62. Levaquin - Medication
  63. Levaquin - Medication
  64. Levbid - Medication
  65. Levels of Evidence for Adult and Pediatric Cancer Treatment Studies (PDQ®): Treatment - Health Professional Information [NCI]
  66. Levels of Evidence for Cancer Genetics Studies (PDQ®): Genetics - Health Professional Information [NCI]
  67. Levels of Evidence for Cancer Screening and Prevention Studies (PDQ®): Screening - Health Professional Information [NCI]
  68. Levels of Evidence for Human Studies of Integrative, Alternative, and Complementary Therapies (PDQ®): Integrative, alternative, and complementary therapies - Health Professional Information [NCI]
  69. Levels of Evidence for Supportive and Palliative Care Studies (PDQ®): Supportive care - Health Professional Information [NCI]
  70. Levemir - Medication
  71. Levemir FlexTouch - Medication
  72. levetiracetam (oral/injection) - Medication
  73. Levitra - Medication
  74. Levlen - Medication
  75. levobunolol ophthalmic - Medication
  76. levocarnitine (oral) - Medication
  77. levocetirizine - Medication
  78. levodopa inhalation - Medication
  79. levofloxacin (injection) - Medication
  80. levofloxacin ophthalmic - Medication
  81. levofloxacin (oral) - Medication
  82. levoleucovorin - Medication
  83. levomilnacipran - Medication
  84. levonorgestrel emergency contraceptive - Medication
  85. levonorgestrel intrauterine system - Medication
  86. Levonorgestrel (LNg) IUD
  87. Levophed - Medication
  88. levorphanol (oral) - Medication
  89. Levothyroxine
  90. levothyroxine (oral/injection) - Medication
  91. Levoxyl - Medication
  92. Levsin - Medication
  93. Levulan Kerastick - Medication
  94. Lexapro - Medication
  95. Lexette - Medication
  96. Lexiscan - Medication
  97. Lexiva - Medication
  1. Lialda - Medication
  2. Librax - Medication
  3. Librium - Medication
  4. Libtayo - Medication
  5. Lice Bedding Spray - Medication
  6. LidaMantle - Medication
  7. lidocaine and prilocaine topical - Medication
  8. lidocaine and tetracaine topical - Medication
  9. lidocaine injection - Medication
  10. lidocaine topical - Medication
  11. lidocaine viscous - Medication
  12. Lidocaine Viscous - Medication
  13. Lidoderm - Medication
  14. LidoPro - Medication
  15. LidoRx - Medication
  16. LidoRxKit - Medication
  17. Lifestyle Changes That May Help Prevent Cancer
  18. lifitegrast ophthalmic - Medication
  19. Light Therapy
  20. Light to Heavy Vaginal Bleeding
  21. Liletta - Medication
  22. Lillow - Medication
  23. Limbrel - Medication
  24. linaclotide - Medication
  25. linagliptin - Medication
  26. linagliptin and metformin - Medication
  27. Lincocin - Medication
  28. lincomycin - Medication
  29. lindane topical - Medication
  30. Linda's Story: Getting Active When You Have Prediabetes
  31. Linda's Story: Quitting Smoking Lowers My Risk
  32. linezolid (oral/injection) - Medication
  33. Linzess - Medication
  34. liothyronine - Medication
  35. Lip and Oral Cavity Cancer Treatment (Adult) (PDQ®): Treatment - Health Professional Information [NCI]
  36. Lip and Oral Cavity Cancer Treatment (Adult) (PDQ®): Treatment - Patient Information [NCI]
  37. Lipase Blood Test - Medical Test
  38. Lipid Panel
  39. Lipitor - Medication
  40. Lipofen - Medication
  41. Lipoma
  42. Liposuction
  43. LiQ-10 - Medication
  44. LiQsorb - Medication
  45. Liquibid-PD - Medication
  46. Liquid PedvaxHIB - Medication
  47. Liquimat Light - Medication
  48. Liquimat Medium - Medication
  49. Liquitears - Medication
  50. liraglutide - Medication
  51. lisdexamfetamine - Medication
  52. lisinopril - Medication
  53. lisocabtagene maraleucel - Medication
  54. Listening to Your Kids
  55. Listeriosis
  56. lithium - Medication
  57. Lithobid - Medication
  58. Lithostat - Medication
  59. Lithotripsy (ESWL) for Kidney Stones, Deciding About
  60. Little Leaguer's Elbow (Medial Apophysitis)
  61. Little Noses - Medication
  62. Little Noses Decongestant - Medication
  63. Little Tummys - Medication
  64. Livalo - Medication
  65. Live Zoster (Shingles) Vaccine: What You Need to Know
  66. Liver and Spleen Scan - Medical Test
  67. Liver Function Panel
  68. Liver Function Tests - Medical Test
  69. Liver (Hepatocellular) Cancer Prevention (PDQ®): Prevention - Health Professional Information [NCI]
  70. Liver (Hepatocellular) Cancer Prevention (PDQ®): Prevention - Patient Information [NCI]
  71. Liver (Hepatocellular) Cancer Screening (PDQ®): Screening - Health Professional Information [NCI]
  72. Liver (Hepatocellular) Cancer Screening (PDQ®): Screening - Patient Information [NCI]
  73. Liver Resection
  74. Living Organ Donation
  75. Living Will
  76. Living With a Spinal Cord Injury
  77. Living With an Ostomy
  78. Living With Chronic Pain (video)
  79. Living With More Than One Health Problem
  80. lixisenatide - Medication
  1. Lo Minastrin Fe - Medication
  2. Local Anesthesia
  3. Local Anesthesia for Childbirth
  4. Localized Prostate Cancer, Should I Have radiation Therapy or a Prostatectomy?
  5. Locoid - Medication
  6. Lodine - Medication
  7. Lodosyn - Medication
  8. lodoxamide ophthalmic - Medication
  9. Lodrane D - Medication
  10. lofexidine - Medication
  11. Log Roll Method for Safe Movement
  12. LoHist-D - Medication
  13. LoKara - Medication
  14. Lokelma - Medication
  15. Lomaira - Medication
  16. lomitapide - Medication
  17. Lomotil - Medication
  18. lomustine - Medication
  19. lonafarnib - Medication
  20. loncastuximab tesirine - Medication
  21. Long-Acting Bronchodilators for Your Child (video)
  22. Long-Acting Injectable Antipsychotic Medicines
  23. Long-Term Care Choices
  24. Long-Term Effects of COVID-19
  25. Lonhala Magnair Starter Kit - Medication
  26. Loniten - Medication
  27. Lonsurf - Medication
  28. Loop Electrosurgical Excision Procedure (LEEP) for Abnormal Cervical Cell Changes
  29. Loop Electrosurgical Excision Procedure (LEEP) for Genital Warts
  30. loperamide - Medication
  31. Lopid - Medication
  32. lopinavir and ritonavir - Medication
  33. Lopressor - Medication
  34. Lopressor HCT - Medication
  35. Loprox - Medication
  36. Loralie's Story: It's Never Too Late
  37. loratadine - Medication
  38. loratadine and pseudoephedrine - Medication
  39. Loratadine-D 12 Hour - Medication
  40. Loratadine-D 24 Hour - Medication
  41. lorazepam (injection) - Medication
  42. Lorazepam Intensol - Medication
  43. lorazepam (oral) - Medication
  44. Lorbrena - Medication
  45. Lorcet - Medication
  46. Loreev XR - Medication
  47. lorlatinib - Medication
  48. Lorna's Story: There's No Fast Cure
  49. Lortuss EX - Medication
  50. Loryna - Medication
  51. Lorzone - Medication
  52. losartan - Medication
  53. LoSeasonique - Medication
  54. Losing Weight: Deciding About a Diet Plan
  55. Lotemax - Medication
  56. Lotemax SM - Medication
  57. Lotensin - Medication
  58. Lotensin HCT - Medication
  59. loteprednol and tobramycin (ophthalmic) - Medication
  60. loteprednol (ophthalmic) - Medication
  61. Lotrel - Medication
  62. Lotrimin AF - Medication
  63. Lotrimin AF Cream - Medication
  64. Lotrimin Jock Itch Powder - Medication
  65. Lotrisone - Medication
  66. Lotronex - Medication
  67. lovastatin - Medication
  68. Lovaza - Medication
  69. Lovenox - Medication
  70. Low Amniotic Fluid
  71. Low Back Pain
  72. Low Back Pain and Sex
  73. Low Back Pain: Easing Back Into Your Daily Activities
  74. Low Back Pain: Exercises to Reduce Pain
  75. Low Back Pain: Keep Moving (video)
  76. Low Back Pain: Keeping It From Coming Back (video)
  77. Low Back Pain: Should I Have an MRI?
  78. Low Back Pain: Should I Have Spinal Manipulation?
  79. Low Back Pain: Should I Try Epidural Steroid Shots?
  80. Low Blood Pressure (Hypotension)
  81. Low Blood Sugar Level Record
  82. Low Bone Density
  83. Low Testosterone
  84. Low-Dose Aspirin to Prevent a Heart Attack (video)
  85. Lowering Your Health Care Costs
  86. Low-Lying Placenta
  87. Low-Ogestrel - Medication
  88. Low-Potassium Foods
  89. Low-Salt Diets: Eating Out
  90. Low-Vision Accommodations in Your Home
  91. loxapine (inhalation) - Medication
  92. loxapine (oral) - Medication
  93. Loxitane - Medication
  1. lubiprostone - Medication
  2. Lubriderm - Medication
  3. Lucemyra - Medication
  4. Lucentis - Medication
  5. Luden's Honey Lemon Throat Drops - Medication
  6. Ludent - Medication
  7. luliconazole topical - Medication
  8. Lumakras - Medication
  9. lumasiran - Medication
  10. Lumason - Medication
  11. lumateperone - Medication
  12. Lumbar Herniated Disc
  13. Lumbar Herniated Disc: Should I Have Surgery?
  14. Lumbar Spinal Fusion (Arthrodesis)
  15. Lumbar Spinal Stenosis
  16. Lumbar Spinal Stenosis: Should I Have Surgery?
  17. Lumbar Spondylosis
  18. Lumify - Medication
  19. Lumigan - Medication
  20. Lumizyme - Medication
  21. Lumoxiti - Medication
  22. Lumpectomy (video)
  23. Lumpectomy: Returning Home (video)
  24. Lunesta - Medication
  25. Lung Biopsy - Medical Test
  26. Lung Cancer
  27. Lung Cancer and Other Lung Problems From Smoking
  28. Lung Cancer Prevention (PDQ®): Prevention - Health Professional Information [NCI]
  29. Lung Cancer Prevention (PDQ®): Prevention - Patient Information [NCI]
  30. Lung Cancer Screening: Low-Dose Spiral CT Scan - Medical Test
  31. Lung Cancer Screening (PDQ®): Screening - Health Professional Information [NCI]
  32. Lung Cancer Screening (PDQ®): Screening - Patient Information [NCI]
  33. Lung Cancer: Should I Have Screening?
  34. Lung Function in COPD
  35. Lung Function Tests - Medical Test
  36. Lung Problems: Breathing Exercises (video)
  37. Lung Problems: Ways to Clear Mucus (video)
  38. Lung Scan - Medical Test
  39. Lung Surgery: Before Your Surgery (video)
  40. Lung Surgery for Lung Cancer
  41. Lung Surgery: Returning Home (video)
  42. Lung Transplant for Cystic Fibrosis
  43. Lungs and Airways
  44. Lupaneta Pack - Medication
  45. Lupkynis - Medication
  46. Lupron Depot - Medication
  47. Lupus and Antiphospholipid Antibody Syndrome
  48. Lupus and Pregnancy
  49. Lupus: Criteria for Diagnosis
  50. Lupus: Healthy Eating
  51. Lupus (Systemic Lupus Erythematosus)
  52. lurasidone - Medication
  53. lurbinectedin - Medication
  54. luspatercept - Medication
  55. Lustra-Ultra - Medication
  56. lusutrombopag - Medication
  57. Lutathera - Medication
  58. Luteinizing Hormone (LH) Test - Medical Test
  59. lutetium Lu 177 dotatate - Medication
  60. Luxiq - Medication
  61. Luxturna - Medication
  62. Luzu - Medication