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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. Labyrinthitis
  7. Lac-Dose - Medication
  8. Lac-Hydrin - Medication
  9. Laclotion - Medication
  10. lacosamide (oral/injection) - Medication
  11. Lacri-Lube S.O.P. - Medication
  12. Lactaid - Medication
  13. lactase - Medication
  14. Lactic Acid Dehydrogenase (LDH) Test - Medical Test
  15. Lactic Acid Test - Medical Test
  16. Lactinex - Medication
  17. lactobacillus acidophilus - Medication
  18. lactobacillus acidophilus and bulgaricus - Medication
  19. lactobacillus rhamnosus GG - Medication
  20. Lactose Intolerance
  21. Lactrase - Medication
  22. lactulose (oral) - Medication
  23. Laetrile/Amygdalin (PDQ®): Integrative, alternative, and complementary therapies - Health Professional Information [NCI]
  24. Laetrile/Amygdalin (PDQ®): Integrative, alternative, and complementary therapies - Patient Information [NCI]
  25. LaMICtal - Medication
  26. LaMICtal ODT - Medication
  27. LaMICtal XR - Medication
  28. LamISIL - Medication
  29. LamISIL AT - Medication
  30. LamISIL Defense - Medication
  31. lamivudine - Medication
  32. lamivudine and tenofovir - Medication
  33. lamivudine and zidovudine - Medication
  34. lamotrigine - Medication
  35. Lampit - Medication
  36. Lanacane - Medication
  37. lanadelumab - Medication
  38. Langerhans Cell Histiocytosis Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  39. Langerhans Cell Histiocytosis Treatment (PDQ®): Treatment - Patient Information [NCI]
  40. Language Development Between 12 and 24 Months of Age
  41. Language Development From Age 6 to 10 Years
  42. Language Development in Newborns
  43. lanolin topical - Medication
  44. Lanolor Cream - Medication
  45. Lan-O-Soothe - Medication
  46. Lanoxin - Medication
  47. lanreotide - Medication
  48. Lansinoh for Breast Feeding Mothers - Medication
  49. lansoprazole - Medication
  50. lanthanum carbonate - Medication
  51. Lantus - Medication
  52. Lantus Solostar Pen - Medication
  53. Laparoscopic Gallbladder Removal Surgery for Gallstones
  54. Laparoscopic Inguinal Hernia Repair
  55. Laparoscopic Ovarian Drilling (Ovarian Diathermy) for PCOS
  56. Laparoscopic Surgery
  57. Laparoscopic Surgery for Endometriosis
  58. Laparoscopic Tubal Ligation
  59. Laparoscopy - Medical Test
  60. lapatinib - Medication
  61. Lariam - Medication
  62. laronidase - Medication
  63. larotrectinib - Medication
  64. Laryngeal Cancer Treatment (Adult) (PDQ®): Treatment - Health Professional Information [NCI]
  65. Laryngeal Cancer Treatment (Adult) (PDQ®): Treatment - Patient Information [NCI]
  66. Laryngitis
  67. Laryngoscopy - Medical Test
  68. Laser In-Situ Keratomileusis (LASIK) for Farsightedness
  69. Laser Iridotomy for Glaucoma
  70. Laser Photocoagulation and Cryopexy for Retinal Tears
  71. Laser Photocoagulation for Age-Related Macular Degeneration
  72. Laser Photocoagulation for Diabetic Retinopathy
  73. Laser Resurfacing
  74. Laser Surgery for Genital Warts
  75. Laser Surgery for Skin Cancer
  76. Laser Surgery for Warts
  77. Laser Trabeculoplasty for Glaucoma
  78. Laser Treatment for Varicose Veins
  79. LASIK (Laser In-Situ Keratomileusis) for Nearsightedness
  80. Lasix - Medication
  81. lasmiditan - Medication
  82. Last Days of Life (PDQ®): Supportive care - Health Professional Information [NCI]
  83. Last Days of Life (PDQ®): Supportive care - Patient Information [NCI]
  84. Lastacaft - Medication
  85. latanoprost and netarsudil ophthalmic - Medication
  86. latanoprost ophthalmic - Medication
  87. latanoprostene bunod ophthalmic - Medication
  88. Late Effects of Treatment for Childhood Cancer (PDQ®): Treatment - Health Professional Information [NCI]
  89. Late Effects of Treatment for Childhood Cancer (PDQ®): Treatment - Patient Information [NCI]
  90. Lateral Collateral Ligament (LCL) Injury
  91. Latisse - Medication
  92. Latuda - Medication
  93. laureth-9 (polidocanol) - Medication
  94. Lavacol - Medication
  95. lavender - Medication
  96. Laxatives
  97. Laxmar - Medication
  98. Lazanda - Medication
  99. 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 Disabilities
  10. Learning to Say No
  11. lecithin - Medication
  12. Lecithin-Softgels - Medication
  13. ledipasvir and sofosbuvir - Medication
  14. lefamulin (oral/injection) - Medication
  15. leflunomide - Medication
  16. Left Ventricular Hypertrophy (LVH)
  17. Leg Amputation
  18. Leg Aneurysm
  19. Leg Cramps During Pregnancy
  20. Leg Injuries
  21. Leg Problems, Noninjury
  22. Legatrin PM - Medication
  23. Legionnaires' Disease and Pontiac Fever
  24. lemborexant - Medication
  25. Lemtrada - Medication
  26. lenalidomide - Medication
  27. Lenalidomide - Medication
  28. Lennox-Gastaut Syndrome
  29. lenvatinib - Medication
  30. Lenvima - Medication
  31. Leqvio - Medication
  32. Leriche's Syndrome
  33. Lescol - Medication
  34. Lescol XL - Medication
  35. Letairis - Medication
  36. letermovir (oral/injection) - Medication
  37. letrozole - Medication
  38. letrozole and ribociclib - Medication
  39. Letting It Go: Getting Past Negative Emotions
  40. leucovorin (injection) - Medication
  41. leucovorin (oral) - Medication
  42. Leukemia
  43. Leukeran - Medication
  44. Leukine - Medication
  45. leuprolide - Medication
  46. Leustatin - Medication
  47. levalbuterol inhalation - Medication
  48. levamlodipine - Medication
  49. Levaquin - Medication
  50. Levaquin - Medication
  51. Levbid - Medication
  52. Levels of Evidence for Adult and Pediatric Cancer Treatment Studies (PDQ®): Treatment - Health Professional Information [NCI]
  53. Levels of Evidence for Cancer Genetics Studies (PDQ®): Genetics - Health Professional Information [NCI]
  54. Levels of Evidence for Cancer Screening and Prevention Studies (PDQ®): Screening - Health Professional Information [NCI]
  55. Levels of Evidence for Human Studies of Integrative, Alternative, and Complementary Therapies (PDQ®): Integrative, alternative, and complementary therapies - Health Professional Information [NCI]
  56. Levels of Evidence for Supportive and Palliative Care Studies (PDQ®): Supportive care - Health Professional Information [NCI]
  57. Levemir - Medication
  58. Levemir FlexTouch - Medication
  59. levetiracetam (oral/injection) - Medication
  60. Levitra - Medication
  61. levobunolol ophthalmic - Medication
  62. levocarnitine (oral) - Medication
  63. levocetirizine - Medication
  64. levodopa inhalation - Medication
  65. levofloxacin (injection) - Medication
  66. levofloxacin ophthalmic - Medication
  67. levofloxacin (oral) - Medication
  68. levoketoconazole - Medication
  69. levoleucovorin - Medication
  70. levomilnacipran - Medication
  71. levonorgestrel emergency contraceptive - Medication
  72. levonorgestrel intrauterine system - Medication
  73. Levonorgestrel (LNg) IUD
  74. Levophed - Medication
  75. levorphanol (oral) - Medication
  76. Levothyroxine
  77. levothyroxine (oral/injection) - Medication
  78. Levsin - Medication
  79. Levulan Kerastick - Medication
  80. Lexapro - Medication
  81. Lexette - Medication
  82. Lexiscan - Medication
  83. 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. Limbrel - Medication
  23. linaclotide - Medication
  24. linagliptin - Medication
  25. linagliptin and metformin - Medication
  26. Lincocin - Medication
  27. lincomycin - Medication
  28. lindane topical - Medication
  29. Linda's Story: Getting Active When You Have Prediabetes
  30. Linda's Story: Quitting Smoking Lowers My Risk
  31. linezolid (oral/injection) - Medication
  32. Linzess - Medication
  33. liothyronine - Medication
  34. Lip and Oral Cavity Cancer Treatment (Adult) (PDQ®): Treatment - Health Professional Information [NCI]
  35. Lip and Oral Cavity Cancer Treatment (Adult) (PDQ®): Treatment - Patient Information [NCI]
  36. Lipase Blood Test - Medical Test
  37. Lipitor - Medication
  38. Lipofen - Medication
  39. Lipoma
  40. Liposuction
  41. LiQ-10 - Medication
  42. LiQsorb - Medication
  43. Liquibid-PD - Medication
  44. Liquid PedvaxHIB - Medication
  45. Liquimat Light - Medication
  46. Liquimat Medium - Medication
  47. Liquitears - Medication
  48. liraglutide - Medication
  49. lisdexamfetamine - Medication
  50. lisinopril - Medication
  51. lisocabtagene maraleucel - Medication
  52. Listening to Your Kids
  53. Listeriosis
  54. lithium - Medication
  55. Lithobid - Medication
  56. Lithostat - Medication
  57. Little Leaguer's Elbow (Medial Apophysitis)
  58. Little Noses - Medication
  59. Little Noses Decongestant - Medication
  60. Little Tummys - Medication
  61. Livalo - Medication
  62. Live Zoster (Shingles) Vaccine: What You Need to Know
  63. Liver and Spleen Scan - Medical Test
  64. Liver Function Panel
  65. Liver Function Tests - Medical Test
  66. Liver (Hepatocellular) Cancer Prevention : Prevention - Patient Information [NCI]
  67. Liver (Hepatocellular) Cancer Prevention (PDQ®): Prevention - Health Professional Information [NCI]
  68. Liver (Hepatocellular) Cancer Screening (PDQ®): Screening - Health Professional Information [NCI]
  69. Liver (Hepatocellular) Cancer Screening: Screening - Patient Information [NCI]
  70. Liver Resection
  71. Living Organ Donation
  72. Living Will
  73. Living With a Spinal Cord Injury
  74. Living With an Ostomy
  75. Living With More Than One Health Problem
  76. Livmarli - Medication
  77. Livtencity - Medication
  78. lixisenatide - Medication
  1. Lo Minastrin Fe - Medication
  2. Local Anesthesia
  3. Local Anesthesia for Childbirth
  4. Locoid - Medication
  5. Lodine - Medication
  6. Lodosyn - Medication
  7. lodoxamide ophthalmic - Medication
  8. Lodrane D - Medication
  9. lofexidine - Medication
  10. Log Roll Method for Safe Movement
  11. LoHist-D - Medication
  12. LoKara - Medication
  13. Lokelma - Medication
  14. Lomaira - Medication
  15. lomitapide - Medication
  16. Lomotil - Medication
  17. lomustine - Medication
  18. lonafarnib - Medication
  19. lonapegsomatropin - Medication
  20. loncastuximab tesirine - Medication
  21. Loneliness and Your Health
  22. Long COVID
  23. Long-Acting Injectable Antipsychotic Medicines
  24. Long-Term Care Choices
  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. Loprox - Medication
  35. Loralie's Story: It's Never Too Late
  36. loratadine - Medication
  37. loratadine and pseudoephedrine - Medication
  38. Loratadine-D 12 Hour - Medication
  39. Loratadine-D 24 Hour - Medication
  40. lorazepam (injection) - Medication
  41. Lorazepam Intensol - Medication
  42. lorazepam (oral) - Medication
  43. Lorbrena - Medication
  44. Lorcet - Medication
  45. Loreev XR - Medication
  46. lorlatinib - Medication
  47. Lorna's Story: There's No Fast Cure
  48. Lortuss EX - Medication
  49. Loryna - Medication
  50. Lorzone - Medication
  51. losartan - Medication
  52. LoSeasonique - Medication
  53. Lotemax - Medication
  54. Lotemax SM - Medication
  55. Lotensin - Medication
  56. Lotensin HCT - Medication
  57. loteprednol and tobramycin (ophthalmic) - Medication
  58. loteprednol (ophthalmic) - Medication
  59. Lotrel - Medication
  60. Lotrimin AF - Medication
  61. Lotrimin AF Cream - Medication
  62. Lotrimin Jock Itch Powder - Medication
  63. Lotrisone - Medication
  64. Lotronex - Medication
  65. lovastatin - Medication
  66. Lovaza - Medication
  67. Lovenox - Medication
  68. Low Amniotic Fluid
  69. Low Back Pain
  70. Low Back Pain and Sex
  71. Low Back Pain: Easing Back Into Your Daily Activities
  72. Low Back Pain: Exercises to Reduce Pain
  73. Low Back Pain: Should I Have an MRI?
  74. Low Back Pain: Should I Have Spinal Manipulation?
  75. Low Back Pain: Should I Try Epidural Steroid Shots?
  76. Low Blood Pressure (Hypotension)
  77. Low Blood Sugar Level Record
  78. Low Bone Density
  79. Low Testosterone
  80. Lowering Your Health Care Costs
  81. Low-Lying Placenta Versus Placenta Previa
  82. Low-Ogestrel - Medication
  83. Low-Potassium Foods
  84. Low-Salt Diets: Eating Out
  85. Low-Vision Accommodations in Your Home
  86. loxapine (oral) - Medication
  87. 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. Lunesta - Medication
  23. Lung Biopsy - Medical Test
  24. Lung Cancer
  25. Lung Cancer and Other Lung Problems From Smoking
  26. Lung Cancer Prevention (PDQ®): Prevention - Health Professional Information [NCI]
  27. Lung Cancer Prevention (PDQ®): Prevention - Patient Information [NCI]
  28. Lung Cancer Screening: Low-Dose Spiral CT Scan - Medical Test
  29. Lung Cancer Screening (PDQ®): Screening - Health Professional Information [NCI]
  30. Lung Cancer Screening (PDQ®): Screening - Patient Information [NCI]
  31. Lung Cancer: Should I Have Screening?
  32. Lung Function in COPD
  33. Lung Function Tests - Medical Test
  34. Lung Problems: Learning to Breathe Easier
  35. Lung Scan - Medical Test
  36. Lung Surgery for Lung Cancer
  37. Lung Transplant for Cystic Fibrosis
  38. Lungs and Airways
  39. Lupkynis - Medication
  40. Lupron Depot - Medication
  41. Lupus and Antiphospholipid Antibody Syndrome
  42. Lupus and Pregnancy
  43. Lupus: Criteria for Diagnosis
  44. Lupus: Healthy Eating
  45. Lupus (Systemic Lupus Erythematosus)
  46. lurasidone - Medication
  47. lurbinectedin - Medication
  48. luspatercept - Medication
  49. Lustra-Ultra - Medication
  50. lusutrombopag - Medication
  51. Lutathera - Medication
  52. Luteinizing Hormone (LH) Test - Medical Test
  53. lutetium Lu 177 dotatate - Medication
  54. Luxiq - Medication
  55. Luxturna - Medication
  56. Luzu - Medication