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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 and Vestibular Neuritis
  8. Lac-Hydrin - Medication
  9. Laclotion - Medication
  10. lacosamide (oral/injection) - Medication
  11. Lacri-Lube S.O.P. - Medication
  12. Lactic Acid - Medical Test
  13. Lactic Acid Dehydrogenase (LDH) Test - Medical Test
  14. Lactinex - Medication
  15. lactobacillus acidophilus - Medication
  16. lactobacillus acidophilus and bulgaricus - Medication
  17. lactobacillus rhamnosus GG - Medication
  18. Lactose Intolerance
  19. lactulose (oral) - Medication
  20. Laetrile/Amygdalin (PDQ®): Integrative, alternative, and complementary therapies - Health Professional Information [NCI]
  21. Laetrile/Amygdalin (PDQ®): Integrative, alternative, and complementary therapies - Patient Information [NCI]
  22. LaMICtal - Medication
  23. LaMICtal ODT - Medication
  24. LaMICtal XR - Medication
  25. LamISIL - Medication
  26. LamISIL AT - Medication
  27. LamISIL Defense - Medication
  28. lamivudine - Medication
  29. lamivudine and tenofovir - Medication
  30. lamivudine and zidovudine - Medication
  31. lamotrigine - Medication
  32. Lampit - Medication
  33. Lanacane - Medication
  34. lanadelumab - Medication
  35. Langerhans Cell Histiocytosis Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  36. Langerhans Cell Histiocytosis Treatment (PDQ®): Treatment - Patient Information [NCI]
  37. Language Development Between 12 and 24 Months of Age
  38. Language Development From Age 6 to 10 Years
  39. Language Development in Newborns
  40. lanolin topical - Medication
  41. Lanolor Cream - Medication
  42. Lan-O-Soothe - Medication
  43. Lanoxin - Medication
  44. lanreotide - Medication
  45. Lansinoh for Breast Feeding Mothers - Medication
  46. lansoprazole - Medication
  47. lanthanum carbonate - Medication
  48. Lantus - Medication
  49. Lantus Solostar Pen - Medication
  50. Laparoscopic Gallbladder Surgery for Gallstones
  51. Laparoscopic Gastric Banding (video)
  52. Laparoscopic Gastric Banding: Returning Home (video)
  53. Laparoscopic Inguinal Hernia Repair
  54. Laparoscopic Ovarian Drilling (Ovarian Diathermy) for PCOS
  55. Laparoscopic Surgery
  56. Laparoscopic Surgery for Endometriosis
  57. Laparoscopic Tubal Ligation
  58. Laparoscopy (video)
  59. Laparoscopy - Medical Test
  60. Laparoscopy in Children (video)
  61. lapatinib - Medication
  62. Lariam - Medication
  63. laronidase - Medication
  64. larotrectinib - Medication
  65. Lartruvo - Medication
  66. Laryngeal Cancer Treatment (Adult) (PDQ®): Treatment - Health Professional Information [NCI]
  67. Laryngeal Cancer Treatment (Adult) (PDQ®): Treatment - Patient Information [NCI]
  68. Laryngitis
  69. Laryngoscopy - Medical Test
  70. Laser In-Situ Keratomileusis (LASIK) for Farsightedness
  71. Laser Iridotomy for Glaucoma
  72. Laser Photocoagulation and Cryopexy for Retinal Tears
  73. Laser Photocoagulation for Age-Related Macular Degeneration
  74. Laser Photocoagulation for Diabetic Retinopathy
  75. Laser Resurfacing
  76. Laser Surgery for Genital Warts
  77. Laser Surgery for Skin Cancer
  78. Laser Surgery for Warts
  79. Laser Trabeculoplasty for Glaucoma
  80. Laser Treatment for Varicose Veins
  81. LASIK (Laser In-Situ Keratomileusis) for Nearsightedness
  82. Lasix - Medication
  83. lasmiditan - Medication
  84. Last Days of Life (PDQ®): Supportive care - Health Professional Information [NCI]
  85. Last Days of Life (PDQ®): Supportive care - Patient Information [NCI]
  86. Lastacaft - Medication
  87. latanoprost and netarsudil ophthalmic - Medication
  88. latanoprost ophthalmic - Medication
  89. latanoprostene bunod ophthalmic - Medication
  90. Late Effects of Treatment for Childhood Cancer (PDQ®): Treatment - Health Professional Information [NCI]
  91. Late Effects of Treatment for Childhood Cancer (PDQ®): Treatment - Patient Information [NCI]
  92. Lateral Collateral Ligament (LCL) Injury
  93. Latisse - Medication
  94. Latuda - Medication
  95. laureth-9 (polidocanol) - Medication
  96. Lavacol - Medication
  97. lavender - Medication
  98. Laxatives
  99. Laxmar - Medication
  100. Lazanda - Medication
  101. Lazer Creme (obsolete) - Medication
  1. Lead - 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. Learning About Blood Tests for Children (video)
  9. Learning About Circumcision (video)
  10. Learning About Risk for Heart Attack and Stroke (video)
  11. Learning About the NICU (video)
  12. Learning About Your Blood Test (video)
  13. Learning About Your Child's Bronchoscopy (video)
  14. Learning About Your Child's CT Scan (video)
  15. Learning About Your Child's Laryngoscopy (video)
  16. Learning About Your Child's MRI Test (video)
  17. Learning About Your Child's Voiding Cystourethrogram (VCUG) Test (video)
  18. Learning About Your Child's X-Ray Test (video)
  19. Learning About Your CT Scan (video)
  20. Learning About Your MRI Test (video)
  21. Learning About Your X-Ray Test (video)
  22. Learning Disabilities
  23. lecithin - Medication
  24. Lecithin-Softgels - Medication
  25. ledipasvir and sofosbuvir - Medication
  26. lefamulin (oral/injection) - Medication
  27. leflunomide - Medication
  28. Left Ventricular Hypertrophy (LVH)
  29. Leg Amputation
  30. Leg Aneurysm
  31. Leg Cramps During Pregnancy
  32. Leg Injuries
  33. Leg Problems, Noninjury
  34. Legatrin PM - Medication
  35. Legionnaires' Disease and Pontiac Fever
  36. lemborexant - Medication
  37. Lemtrada - Medication
  38. lenalidomide - Medication
  39. Lennox-Gastaut Syndrome
  40. lenvatinib - Medication
  41. Lenvima - Medication
  42. Leriche's Syndrome
  43. Lescol - Medication
  44. Lescol XL - Medication
  45. lesinurad - Medication
  46. Letairis - Medication
  47. letermovir (oral/injection) - Medication
  48. letrozole - Medication
  49. letrozole and ribociclib - Medication
  50. leucovorin (injection) - Medication
  51. leucovorin (oral) - Medication
  52. Leukemia
  53. Leukeran - Medication
  54. Leukine - Medication
  55. leuprolide - Medication
  56. leuprolide and norethindrone - Medication
  57. Leustatin - Medication
  58. levalbuterol inhalation - Medication
  59. Levaquin - Medication
  60. Levaquin - Medication
  61. Levbid - Medication
  62. Levels of Evidence for Adult and Pediatric Cancer Treatment Studies (PDQ®): Treatment - Health Professional Information [NCI]
  63. Levels of Evidence for Cancer Genetics Studies (PDQ®): Genetics - Health Professional Information [NCI]
  64. Levels of Evidence for Cancer Screening and Prevention Studies (PDQ®): Screening - Health Professional Information [NCI]
  65. Levels of Evidence for Human Studies of Integrative, Alternative, and Complementary Therapies (PDQ®): Integrative, alternative, and complementary therapies - Health Professional Information [NCI]
  66. Levels of Evidence for Supportive and Palliative Care Studies (PDQ®): Supportive care - Health Professional Information [NCI]
  67. Levemir - Medication
  68. Levemir FlexTouch - Medication
  69. levetiracetam - Medication
  70. Levitra - Medication
  71. Levlen - Medication
  72. levobunolol ophthalmic - Medication
  73. levocarnitine (oral) - Medication
  74. levocetirizine - Medication
  75. levodopa inhalation - Medication
  76. levofloxacin (injection) - Medication
  77. levofloxacin ophthalmic - Medication
  78. levofloxacin (oral) - Medication
  79. levoleucovorin - Medication
  80. levomilnacipran - Medication
  81. levonorgestrel emergency contraceptive - Medication
  82. levonorgestrel intrauterine system - Medication
  83. Levonorgestrel (LNg) IUD
  84. Levophed - Medication
  85. levorphanol (oral) - Medication
  86. Levothyroxine
  87. levothyroxine (oral/injection) - Medication
  88. Levoxyl - Medication
  89. Levsin - Medication
  90. Levulan Kerastick - Medication
  91. Lexapro - Medication
  92. Lexette - Medication
  93. Lexiscan - Medication
  94. 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. Limbrel250 - Medication
  25. Limbrel500 - Medication
  26. linaclotide - Medication
  27. linagliptin - Medication
  28. linagliptin and metformin - Medication
  29. Lincocin - Medication
  30. lincomycin - Medication
  31. lindane topical - Medication
  32. Linda's Story: Getting Active When You Have Prediabetes
  33. Linda's Story: Quitting Smoking Lowers My Risk
  34. linezolid (oral/injection) - Medication
  35. Linzess - Medication
  36. liothyronine - Medication
  37. liotrix - Medication
  38. Lip and Oral Cavity Cancer Treatment (Adult) (PDQ®): Treatment - Health Professional Information [NCI]
  39. Lip and Oral Cavity Cancer Treatment (Adult) (PDQ®): Treatment - Patient Information [NCI]
  40. Lipase - Medical Test
  41. Lipid Panel
  42. Lipitor - Medication
  43. Lipofen - Medication
  44. Lipoma
  45. Liposuction
  46. LiQ-10 - Medication
  47. LiQsorb - Medication
  48. Liquibid-PD - Medication
  49. Liqui-Char - Medication
  50. Liquid PedvaxHIB - Medication
  51. Liqui-Dual Citra - Medication
  52. Liquimat Light - Medication
  53. Liquimat Medium - Medication
  54. Liquitears - Medication
  55. liraglutide - Medication
  56. lisdexamfetamine - Medication
  57. lisinopril - Medication
  58. Listeriosis
  59. lithium - Medication
  60. Lithobid - Medication
  61. Lithostat - Medication
  62. Lithotripsy (ESWL) for Kidney Stones, Deciding About
  63. Little Leaguer's Elbow (Medial Apophysitis)
  64. Little Noses - Medication
  65. Little Noses Decongestant - Medication
  66. Little Tummys - Medication
  67. Little Tummys Laxative Drops - Medication
  68. Livalo - Medication
  69. Live Zoster (Shingles) Vaccine: What You Need to Know
  70. Liver and Spleen Scan - Medical Test
  71. Liver Biopsy - Medical Test
  72. Liver Function Panel
  73. Liver Function Tests - Medical Test
  74. Liver (Hepatocellular) Cancer Prevention (PDQ®): Prevention - Health Professional Information [NCI]
  75. Liver (Hepatocellular) Cancer Prevention (PDQ®): Prevention - Patient Information [NCI]
  76. Liver (Hepatocellular) Cancer Screening (PDQ®): Screening - Health Professional Information [NCI]
  77. Liver (Hepatocellular) Cancer Screening (PDQ®): Screening - Patient Information [NCI]
  78. Liver Resection
  79. Living Organ Donation
  80. Living Will
  81. Living With a Spinal Cord Injury
  82. Living With an Ostomy
  83. Living With Chronic Pain (video)
  84. Living With More Than One Health Problem
  85. 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. Long-Acting Bronchodilators for Your Child (video)
  20. Long-Term Care Choices
  21. Long-Term Care for Alzheimer's or Other Dementia, Deciding About
  22. Long-Term Care for Stroke, Deciding About
  23. Long-Term Effects of COVID-19
  24. Lonhala Magnair Starter Kit - Medication
  25. Loniten - Medication
  26. Lonsurf - Medication
  27. Loop Electrosurgical Excision Procedure (LEEP) for Abnormal Cervical Cell Changes
  28. Loop Electrosurgical Excision Procedure (LEEP) for Genital Warts
  29. loperamide - Medication
  30. Lopid - Medication
  31. lopinavir and ritonavir - Medication
  32. Lopressor - Medication
  33. Loprox - Medication
  34. Loralie's Story: It's Never Too Late
  35. loratadine - Medication
  36. loratadine and pseudoephedrine - Medication
  37. Loratadine-D 12 Hour - Medication
  38. Loratadine-D 24 Hour - Medication
  39. lorazepam (injection) - Medication
  40. lorazepam (oral) - Medication
  41. Lorbrena - Medication
  42. lorcaserin - Medication
  43. Lorcet - Medication
  44. lorlatinib - Medication
  45. Lorna's Story: There's No Fast Cure
  46. Lortuss EX - Medication
  47. Loryna - Medication
  48. Lorzone - Medication
  49. losartan - Medication
  50. LoSeasonique - Medication
  51. Losing Weight: Deciding About a Diet Plan
  52. Lotemax - Medication
  53. Lotemax SM - Medication
  54. Lotensin - Medication
  55. Lotensin HCT - Medication
  56. loteprednol and tobramycin (ophthalmic) - Medication
  57. loteprednol (ophthalmic) - Medication
  58. Lotrel - Medication
  59. Lotrimin AF - Medication
  60. Lotrimin AF Cream - Medication
  61. Lotrimin Jock Itch Powder - Medication
  62. Lotrisone - Medication
  63. Lotronex - Medication
  64. lovastatin - Medication
  65. Lovaza - Medication
  66. Lovenox - Medication
  67. Low Amniotic Fluid
  68. Low Back Pain
  69. Low Back Pain and Sex
  70. Low Back Pain: Easing Back Into Your Daily Activities
  71. Low Back Pain: Exercises to Reduce Pain
  72. Low Back Pain: Keep Moving (video)
  73. Low Back Pain: Keeping It From Coming Back (video)
  74. Low Back Pain: Should I Have an MRI?
  75. Low Back Pain: Should I Have Spinal Manipulation?
  76. Low Back Pain: Should I Try Epidural Steroid Shots?
  77. Low Blood Pressure (Hypotension)
  78. Low Blood Sugar Level Record
  79. Low Bone Density
  80. Low Testosterone
  81. Low-Dose Aspirin to Prevent a Heart Attack (video)
  82. Lowering Your Health Care Costs
  83. Low-Lying Placenta
  84. Low-Ogestrel - Medication
  85. Low-Potassium Foods
  86. Low-Salt Diets: Eating Out
  87. Low-Vision Accommodations in Your Home
  88. loxapine (inhalation) - Medication
  89. loxapine (oral) - Medication
  90. 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. Lumason - Medication
  9. lumateperone - Medication
  10. Lumbar Herniated Disc
  11. Lumbar Herniated Disc: Should I Have Surgery?
  12. Lumbar Puncture - Medical Test
  13. Lumbar Spinal Fusion (Arthrodesis)
  14. Lumbar Spinal Stenosis
  15. Lumbar Spinal Stenosis: Should I Have Surgery?
  16. Lumbar Spondylosis
  17. Lumify - Medication
  18. Lumigan - Medication
  19. Lumizyme - Medication
  20. Lumoxiti - Medication
  21. Lumpectomy (video)
  22. Lumpectomy: Returning Home (video)
  23. Lunesta - Medication
  24. Lung Biopsy - Medical Test
  25. Lung Cancer
  26. Lung Cancer and Other Lung Problems From Smoking
  27. Lung Cancer Prevention (PDQ®): Prevention - Health Professional Information [NCI]
  28. Lung Cancer Prevention (PDQ®): Prevention - Patient Information [NCI]
  29. Lung Cancer Screening
  30. Lung Cancer Screening: Low-Dose 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 Scan - Medical Test
  37. Lung Surgery: Before Your Surgery (video)
  38. Lung Surgery for Lung Cancer
  39. Lung Surgery: Returning Home (video)
  40. Lung Transplant for Cystic Fibrosis
  41. Lungs and Airways
  42. Lupaneta Pack - Medication
  43. Lupron Depot - Medication
  44. Lupus and Antiphospholipid Antibody Syndrome
  45. Lupus and Pregnancy
  46. Lupus: Criteria for Diagnosis
  47. Lupus: Healthy Eating
  48. Lupus (Systemic Lupus Erythematosus)
  49. lurasidone - Medication
  50. lurbinectedin - Medication
  51. luspatercept - Medication
  52. Lustra-Ultra - Medication
  53. lusutrombopag - Medication
  54. Lutathera - Medication
  55. Luteinizing Hormone (LH) Test - Medical Test
  56. lutetium Lu 177 dotatate - Medication
  57. Luvox - Medication
  58. Luxiq - Medication
  59. Luxturna - Medication
  60. Luzu - Medication