| B-K Mole Syndrome | |
BA | |
| Babesiosis | |
| Babinski-Froelich Syndrome | |
| Bacillus Calmette-Guerin (BCG) for bladder cancer [Medication] | |
| Back Problems and Injuries | |
| Back Surgery Decision Calculator | |
| Back X-Ray [Medical Test] | |
| Bacterial Arthritis | |
| Bacterial Meningococcal Meningitis | |
| Bacterial Vaginosis | |
| Bacterial Vaginosis Tests [Medical Test] | |
| Bad or Changed Breath | |
| BADS | |
| Baillarger's Syndrome | |
| Baker's Cyst | |
| Balance exercises for vertigo | |
| Balantidiasis | |
| Balantidiosis | |
| Balantidosis | |
| Baldness | |
| Baller Gerold Syndrome | |
| Balo Disease | |
| Bancroftian Filariasis | |
| Bang Disease | |
| Banking Blood Before Surgery, Deciding About | |
| Bannayan Riley Ruvalcaba Syndrome |  Top |
| Bannayan-Zonana syndrome (BZS) | |
| Banti's Disease | |
| Banti's Syndrome | |
| Bardet Biedl Syndrome | |
| Barium Enema [Medical Test] | |
| Barrett Esophagus | |
| Barrett Ulcer | |
| Barrier methods of birth control | |
| Barth Syndrome | |
| Bartholin Gland Cyst | |
| Bartonella Bacilliformis Infection | |
| Bartonelliasis | |
| Bartonellosis | |
| Bartter's Syndrome | |
| Basal Cell Carcinoma | |
| Basal Cell Nevus Syndrome | |
| Basic Dental Care | |
| Basic Metabolic Panel | |
| Bassen-Kornzweig Syndrome | |
| Bassen-Kornzweig Syndrome | |
| Batten Disease | |
| Batten Turner Congenital Myopathy | |
| Batten Turner Syndrome | |
BB | |
| BBB Syndrome | |
| BBBG Syndrome | Top |
BC | |
| BCH | |
| BCIE | |
| BCKD Deficiency | |
BD | |
| BD | |
| BDA | |
| BDLS | |
BE | |
| BE | |
| Beals Syndrome | |
| Beals-Hecht Syndrome | |
| Bean Syndrome | |
| BEB | |
| Beckwith Wiedemann Syndrome | |
| Beckwith-Syndrome | |
| Bed Sores | |
| Bed-Wetting, Deciding About Treatment | |
| Bedbugs | |
| Bedwetting (Primary Nocturnal Enuresis) | |
| Begnez-Cesar's Syndrome | |
| Behavioural methods for urinary incontinence | |
| Behavioural therapies for urinary incontinence in men | |
| Behcet's Disease | |
| Behcet's Syndrome | |
| Bejel | |
| Bell's Palsy | |
| Benign Chronic Familial Pemphigus | Top |
| Benign Essential Tremor | |
| Benign Familial Pemphigus | |
| Benign Glycosuria | |
| Benign Intracranial Hypertension | |
| Benign Juvenile Muscular Dystrophy | |
| Benign Lymph Angiitis and Granulomatosis | |
| Benign Lymphocytic Infiltrate of the Skin | |
| Benign Migratory Glossitis | |
| Benign Myalgic Encephalomyelitis | |
| Benign Paroxysmal Peritonitis | |
| Benign Paroxysmal Positional Vertigo (BPPV) | |
| Benign Pemphigus | |
| Benign Prostatic Hyperplasia (BPH) | |
| Benign Symmetrical Lipomatosis | |
| Benzodiazepines for epilepsy [Medication] | |
| Benzodiazepines for panic disorder [Medication] | |
| Benzodiazepines for restless legs syndrome [Medication] | |
| Benzodiazepines for social anxiety disorder [Medication] | |
| Bereavement | |
| Berger's Disease | |
| Berman Syndrome | |
| Bernard Soulier Syndrome | |
| Bernard-Horner Syndrome | |
| Bernstein Test [Medical Test] | |
| Berylliosis | Top |
| Beryllium Granulomatosis | |
| Beryllium Pneumonosis | |
| Beryllium Poisoning | |
| Best macular dystrophy | |
| Best Vitelliform Macular Dystrophy | |
| Beta Thalassemia | |
| Beta-Alanine-Pyruvate Aminotransferase | |
| Beta-blockers for atrial fibrillation [Medication] | |
| Beta-blockers for coronary artery disease [Medication] | |
| Beta-blockers for fast heart rates [Medication] | |
| Beta-blockers for glaucoma [Medication] | |
| Beta-blockers for heart attack and unstable angina [Medication] | |
| Beta-blockers for heart failure [Medication] | |
| Beta-blockers for high blood pressure [Medication] | |
| Beta-blockers for migraine headaches [Medication] | |
| Beta-blockers for mitral valve prolapse [Medication] | |
| Beta-Glucuronidase Deficiency | |
| Beta-Natriuretic Peptide [Medical Test] | |
| Beta-Sitosterol Plant Extract | |
| Beta2-agonists for chronic obstructive pulmonary disease (COPD) [Medication] | |
| Better Care at Lower Costs | |
| Beuren Syndrome | |
| Bevacizumab [Medication] | |
BF | |
| BFLS | |
BH | |
| BH4 Deficiency | Top |
| BHD Syndrome | |
BI | |
| Bicarbonate [Medical Test] | |
| Biedl-Bardet Syndrome | |
| Bifid Cranium | |
| Biguanides for type 2 diabetes [Medication] | |
| Bilateral Acoustic Neurofibromatosis | |
| Bilateral Acoustic Neuroma | |
| Bilateral adrenalectomy | |
| Bilateral Polycystic Ovarian Syndrome | |
| Bilateral Right-Sidedness Sequence | |
| Bilateral Temporal Lobe Disorder | |
| Bile acid sequestrants for high cholesterol [Medication] | |
| Bile acids for gallstones [Medication] | |
| Bile duct cancer, extrahepatic: Treatment - Health Professional Information [NCI PDQ] | |
| Bile duct cancer, extrahepatic: Treatment - Patient Information [NCI PDQ] | |
| Biliary Atresia, Extrahepatic | |
| Biliary Cirrhosis, Primary | |
| Biliopancreatic diversion | |
| Bilious Attacks | |
| Bilirubin [Medical Test] | |
| Bilirubin Encephalopathy | |
| Bilirubin Glucuronosyltransferase Deficiency Type I | |
| Binder Syndrome | |
| Binge Eating Disorder | |
| Binge-Purge Disorder | Top |
| Binswanger's Disease | |
| Binswanger's Encephalopathy | |
| Biofeedback | |
| Biophysical Profile (BPP) [Medical Test] | |
| Biopsy for Abnormal Cervical Cell Changes | |
| Biopsy of genital warts (human papillomavirus) [Medical Test] | |
| Biopsy, Bone [Medical Test] | |
| Biopsy, Bone Marrow [Medical Test] | |
| Biopsy, Breast [Medical Test] | |
| Biopsy, Endometrium [Medical Test] | |
| Biopsy, Kidney [Medical Test] | |
| Biopsy, Liver [Medical Test] | |
| Biopsy, Lung [Medical Test] | |
| Biopsy, Lymph Node [Medical Test] | |
| Biopsy, Sentinel Lymph Node [Medical Test] | |
| Biopsy, Skin [Medical Test] | |
| Biopsy, Testicular [Medical Test] | |
| Biopsy, Thyroid [Medical Test] | |
| Biospy, Prostate [Medical Test] | |
| Bioterrorism | |
| Biotinidase Deficiency | |
| Bipolar Disorder | |
| Bipolar Disorder in a Child or Teen, Managing a Manic Episode | |
| Bipolar Disorder in Children and Teens | |
| Bird Flu (Avian Influenza) | Top |
| Bird-Headed Dwarfism, Seckel Type | |
| Birt-Hogg-Dube Syndrome | |
| Birth Control | |
| Birth control hormones [Medication] | |
| Birth control patch [Medication] | |
| Birth control pill [Medication] | |
| Birth control pills and uterine fibroids [Medication] | |
| Birth control pills for dysfunctional uterine bleeding and perimenopausal symptoms [Medication] | |
| Birth control pills for endometriosis [Medication] | |
| Birth control pills for ovarian cysts [Medication] | |
| Birth control pills for the treatment of chronic pelvic pain [Medication] | |
| Birth control pills, patch, or ring [Medication] | |
| Birth control ring [Medication] | |
| Birth Defects Testing | |
| Birthmarks | |
| Bisphosphonates for metastatic cancer [Medication] | |
| Bisphosphonates for osteoporosis [Medication] | |
| Bisphosphonates for Paget's disease of bone [Medication] | |
| Bitemporal Forceps Marks Syndrome | |
| Bites, Animal and Human | |
| Bites, Insect | |
| Bites, Snake and Lizard | |
| Biting | |
BJ | |
| Bjornstad Syndrome | |
BL | |
| Black Death | Top |
| Black Hairy Tongue | |
| Black Lung Disease | |
| Black Plague | |
| Black Tongue | |
| Black Widow Spider Bite | |
| Bladder Cancer | |
| Bladder cancer: Screening - Health Professional Information [NCI PDQ] | |
| Bladder cancer: Screening - Patient Information [NCI PDQ] | |
| Bladder cancer: Treatment - Health Professional Information [NCI PDQ] | |
| Bladder cancer: Treatment - Patient Information [NCI PDQ] | |
| Bladder Exstrophy-Epispadias-Cloacal Exstrophy Complex | |
| Bladder Infections in Children | |
| Bladder Infections in Teens and Adults | |
| Bladder stress test and Bonney test for urinary incontinence in women [Medical Test] | |
| Blastomycosis | |
| Bleeding Between Periods | |
| Bleeding from a Minor Head Wound | |
| Blennorrheal Idiopathic Arthritis | |
| Bleomycin [Medication] | |
| Bleomycin injection for warts [Medication] | |
| Blepharitis (Eyelid Problems) | |
| Blepharophimosis, Epicanthus Inversus, and Ptosis | |
| Blepharophimosis, Ptosis, Epicanthus Inversus Syndrome | |
| Blepharospasm | |
| Blepharospasm, Benign Essential | Top |
| Blisters | |
| Bloch-Siemens Incontinentia Pigmenti Melanoblastosis Cutis Linearis | |
| Bloch-Siemens-Sulzberger Syndrome | |
| Bloch-Sulzberger Syndrome | |
| Blocked Eustachian Tubes | |
| Blocked Tear Duct Probing; Deciding About | |
| Blocked Tear Ducts | |
| Blood Alcohol [Medical Test] | |
| Blood and Body Fluid Precautions | |
| Blood Calcium [Medical Test] | |
| Blood Creatinine [Medical Test] | |
| Blood Culture [Medical Test] | |
| Blood Glucose [Medical Test] | |
| Blood Glucose, Home Monitoring [Medical Test] | |
| Blood Osmolality Test [Medical Test] | |
| Blood Phosphate (PO4) [Medical Test] | |
| Blood Pressure Test, Home [Medical Test] | |
| Blood Protein Test [Medical Test] | |
| Blood Sodium [Medical Test] | |
| Blood Transfusion | |
| Blood transfusions for sickle cell disease | |
| Blood Type Test [Medical Test] | |
| Blood Urea Nitrogen [Medical Test] | |
| Bloom Syndrome | |
| Bloom-Torre-Mackacek Syndrome | Top |
| Blue Diaper Syndrome | |
| Blue Rubber Bleb Nevus Syndrome | |
BM | |
| BMD | |
| BMG | |
BN | |
| BNP (Brain Natriuretic Peptide) Test [Medical Test] | |
BO | |
| Body (Spica) Cast, Caring for | |
| Body Fluid Precautions | |
| Body Piercing Problems | |
| Body Temperature [Medical Test] | |
| Bodywork and Manual Therapy | |
| BOFS | |
| Boils | |
| Bone Biopsy [Medical Test] | |
| Bone Marrow Aspiration and Biopsy [Medical Test] | |
| Bone Marrow Transplant | |
| Bone marrow transplant for sickle cell disease | |
| Bone Mineral Density [Medical Test] | |
| Bone Scan [Medical Test] | |
| Bone Spur | |
| Bone Tumor-Epidermoid Cyst-Polyposis | |
| Bonnevie-Ulrich Syndrome | |
| BOR Syndrome | |
| Borderline Personality Disorder | |
| BORJ | |
| Borjeson Syndrome | Top |
| Borjeson-Forssman-Lehmann Syndrome | |
| Bosley-Salih-Alorainy Syndrome (BSAS) | |
| Bottle-Feeding | |
| Botulinum toxin (Botox) | |
| Botulism | |
| Bourneville Pringle Syndrome | |
| Bovine Smallpox | |
| Bovine Spongiform Encephalopathy | |
| Bowel Obstruction | |
| Bowel resection for colorectal cancer | |
| Bowel Transit Time [Medical Test] | |
| Bowen Hutterite Syndrome | |
| Bowen Syndrome | |
| Bowen's Disease | |
| Bowen-Conradi Hutterite Syndrome | |
| Bowen-Conradi Syndrome | |
| Bowenoid Papulosis | |
BP | |
| BP | |
| BPES | |
| BPH (Benign Prostatic Hyperplasia) | |
| BPPN | |
| BPPV (Benign Paroxysmal Positional Vertigo) | |
BR | |
| Brace (orthotic) treatment for scoliosis | |
| Brachial Neuritis | |
| Brachial Plexus Neuritis | Top |
| Brachial Plexus Palsy | |
| Brachiocephalic Ischemia | |
| Brachmann-de Lange Syndrome | |
| Bradycardia (Slow Heart Rate) | |
| Brain Aneurysm | |
| Brain Attack | |
| Brain cancer, cerebellar astrocytoma, childhood: Treatment - Health Professional Information [NCI PDQ] | |
| Brain cancer, cerebellar astrocytoma, childhood: Treatment - Patient Information [NCI PDQ] | |
| Brain cancer, cerebral astrocytoma, childhood: Treatment - Health Professional Information [NCI PDQ] | |
| Brain cancer, cerebral astrocytoma, childhood: Treatment - Patient Information [NCI PDQ] | |
| Brain cancer, childhood (general information): Treatment - Health Professional Information [NCI PDQ] | |
| Brain cancer, childhood (general information): Treatment - Patient Information [NCI PDQ] | |
| Brain cancer, medulloblastoma, childhood: Treatment - Health Professional Information [NCI PDQ] | |
| Brain cancer, medulloblastoma, childhood: Treatment - Patient Information [NCI PDQ] | |
| Brain cancer, primary central nervous system lymphoma: Treatment - Health Professional Information [NCI PDQ] | |
| Brain cancer, primary central nervous system lymphoma: Treatment - Patient Information [NCI PDQ] | |
| Brain cancer, supratentorial primitive neuroectodermal and pineal tumors, childhood: Treatment - Health Professional Information [NCI PDQ] | |
| Brain cancer, supratentorial primitive neuroectodermal and pineal tumors, childhood: Treatment - Patient Information [NCI PDQ] | |
| Brain cancer, visual pathway glioma, childhood: Treatment - Health Professional Information [NCI PDQ] | |
| Brain cancer, visual pathway glioma, childhood: Treatment - Patient Information [NCI PDQ] | |
| Brain Natriuretic Peptide (BNP) Test [Medical Test] | |
| Brain stem glioma, childhood: Treatment - Health Professional Information [NCI PDQ] | |
| Brain stem glioma, childhood: Treatment - Patient Information [NCI PDQ] | |
| Brain tumor-polyposis syndrome | |
| Brain tumors, adult: Treatment - Health Professional Information [NCI PDQ] | Top |
| Brain tumors, adult: Treatment - Patient Information [NCI PDQ] | |
| Brain Tumors, General | |
| Branched Chain Alpha-Ketoacid Dehydrogenase Deficiency | |
| Branched Chain Ketonuria I | |
| Brancher Deficiency | |
| Branching Enzyme Deficiency | |
| Branchio Oculo Facial Syndrome | |
| Branchio Oto Renal Syndrome | |
| Branchio-Oto-Renal Dysplasia | |
| Branchiooculofacial Syndrome | |
| Branchiootic Syndrome | |
| Brandt Syndrome | |
| Brandt-Daroff exercise for vertigo | |
| Brandywine Type Dentinogenesis Imperfecta | |
| Brazilian Pemphigus Foliaceus | |
| Brazilian Trypanosomiasis | |
| BRCA (Breast Cancer) Gene Test [Medical Test] | |
| Breakbone Fever | |
| Breast and Ovarian Cancer (BRCA) Genetic Test | |
| Breast Biopsy [Medical Test] | |
| Breast Cancer | |
| Breast Cancer (BRCA) Gene Test [Medical Test] | |
| Breast cancer and pregnancy: Treatment - Health Professional Information [NCI PDQ] | |
| Breast cancer and pregnancy: Treatment - Patient Information [NCI PDQ] | |
| Breast Cancer Gene Test, Deciding About | Top |
| Breast Cancer, Aromatase Inhibitors for [Medication] | |
| Breast cancer, in men: Treatment - Health Professional Information [NCI PDQ] | |
| Breast cancer, in men: Treatment - Patient Information [NCI PDQ] | |
| Breast Cancer, Lumpectomy for | |
| Breast Cancer, Mastectomy for | |
| Breast Cancer, Metastatic or Recurrent | |
| Breast Cancer, Partial Mastectomy for | |
| Breast Cancer, What Should I do if I am at High Risk | |
| Breast cancer: Prevention - Health Professional Information [NCI PDQ] | |
| Breast cancer: Prevention - Patient Information [NCI PDQ] | |
| Breast cancer: Screening - Health Professional Information [NCI PDQ] | |
| Breast cancer: Screening - Patient Information [NCI PDQ] | |
| Breast cancer: Treatment - Health Professional Information [NCI PDQ] | |
| Breast cancer: Treatment - Patient Information [NCI PDQ] | |
| Breast Development in Boys | |
| Breast Engorgement | |
| Breast enlargement | |
| Breast Examination, Clinical [Medical Test] | |
| Breast implants | |
| Breast Infection (Mastitis) | |
| Breast Lumps | |
| Breast MRI [Medical Test] | |
| Breast Pain (Mastalgia) | |
| Breast Problems | |
| Breast reduction | Top |
| Breast Self-Examination [Medical Test] | |
| Breast Ultrasound [Medical Test] | |
| Breast-conserving surgery (lumpectomy or partial mastectomy) for breast cancer | |
| Breast-Conserving Surgery or a Mastectomy to Treat Early-Stage Breast Cancer, Deciding About | |
| Breast-Feeding | |
| Breast-Feeding my Baby, Deciding About | |
| Breast-Feeding, How to | |
| Breath-Holding Spells | |
| Breech Position and Breech Birth | |
| Briquet's Syndrome | |
| Brittle Bone Disease | |
| Broad Beta Disease | |
| Broad Thumbs and Great Toes, Characteristic Facies, and Mental Retardation | |
| Brocq-Duhring Disease | |
| Broken Collarbone (Clavicle) | |
| Broken Hip | |
| Broken Nose (Nasal Fracture) | |
| Broken Rib | |
| Broken Toe | |
| Bromocriptine [Medication] | |
| Bromocriptine mesylate or cabergoline for infertility [Medication] | |
| Bronchiolitis | |
| Bronchiolitis Obliterans Organizing Pneumonia | |
| Bronchiolitis Obliterans Organizing Pneumonia (Boop) | |
| Bronchitis, Acute | Top |
| Bronchodilator medicines for respiratory syncytial virus (RSV) infection [Medication] | |
| Bronchodilators for cystic fibrosis [Medication] | |
| Bronchopulmonary Dysplasia (BPD) | |
| Bronchoscopy [Medical Test] | |
| Bronze Schilder Disease | |
| Brown Recluse Spider Bite | |
| Brown Sequard Syndrome | |
| Brown Syndrome | |
| BRRS | |
| Brucellemia | |
| Brucelliasis | |
| Brucellosis | |
| Brueghel Syndrome | |
| Brugada Syndrome | |
| Bruises and Blood Spots Under the Skin | |
| Brushing and Flossing a Child's Teeth | |
BS | |
| BS | |
| BSE (Bovine Spongiform Encephalopathy) | |
| BSS | |
| BSS | |
BU | |
| Bubble Boy Syndrome | |
| Bubonic Plague | |
| Buchanan's Syndrome | |
| Budd Chiari Syndrome | |
| Budd's Syndrome | Top |
| Buerger's Disease | |
| Bulimia Nervosa | |
| Bulldog Syndrome | |
| Bullosa Hereditaria | |
| Bullous Congenital CIE | |
| Bullous Pemphigoid | |
| Bullying | |
| BUN (Blood Urea Nitrogen) [Medical Test] | |
| BUN:Creatinine Ratio [Medical Test] | |
| Bunion surgery | |
| Bunions | |
| Bunyavirus Infection | |
| Bupropion hydrochloride (Zyban) for quitting smoking [Medication] | |
| Burning Mouth Syndrome | |
| Burning Tongue Syndrome | |
| Burns | |
| Burns to the Eye | |
| Bursitis | |
| Busse-Buschke Disease | |
| Busulfan [Medication] | |
| Butyrylcholinesterase | |
BW | |
| BWS | |
BY | |
| Bypass Surgery for Heart Attack and Unstable Angina | |
