Main description:

Here's a portable, concise guide to differential diagnosis for over 900 signs, symptoms and clinical disorders. Differential diagnoses are listed both by presenting sign or symptom and by clinical disorder, so you can confirm your diagnosis accurately, completely, and quickly. This is a versatile, easy-to-use reference you'll consult every day.

Contents:

Abdominal Distention

Abdominal Pain, Adolescence

Abdominal Pain, Childhood

Abdominal Pain, Chronic Lower

Abdominal Pain, Diffuse

Abdominal Pain, Epigastric

Abdominal Pain, Infancy

Abdominal Pain, Left Lower Quadrant

Abdominal Pain, Left Upper Quadrant

Abdominal Pain, Nonsurgical Causes

Abdominal Pain, Periumbilical

Abdominal Pain, Poorly Localized

Abdominal Pain, Pregnancy

Abdominal Pain, Right Lower Quadrant

Abdominal Pain, Right Upper Quadrant

Abdominal Pain, Suprapubic

Abdominal Wall Masses

Abortion, Recurrent

Abruptio Placentae

Abscess, Brain

Abscess, Breast

Abscess, Liver

Abscess, Lung

Abscess, Pelvic

Abscess, Perirectal

Abuse, Child

Acanthosis Nigricans

Achalasia

Aches And Pains, Diffuse

Achilles' Tendon Rupture

Acidosis, Lactic

Acidosis, Metabolic

Acidosis, Respiratory

Acne Keloidalis

Acne Vulgaris

Acoustic Neuroma

Acquired Immunodeficiency Syndrome (AIDS)

Acrochordon

Acromegaly

Actinic Keratosis

Actinomycosis

Acute Bronchitis

Acute Respiratory Distress Syndrome (ARDS)

Acute Scrotum

Addison's Disease

Adnexal Mass

Adrenal Masses

Adynamic Ileus

Aerophagia (Belching, Eructation)

Agoraphobia

Airway Obstruction, Pediatric Age

Akinetic/Rigid Syndrome

Aldosteronism, Primary

Alkalosis, Metabolic

Alkalosis, Respiratory

Alopecia

Alopecia, Androgenic

Alopecia Areata

Altitude Sickness

Alveolar Consolidation

Alveolar Hemorrhage

Alzheimer's Disease (AD)

Amaurosis Fugax

Amblyopia

Amebiasis

Amenorrhea

Amnesia

Amyloidosis

Amyotrophic Lateral Sclerosis (ALS)

Anaerobic Infections

Anal Fissure

Anal Fistula

Anal Incontinence

Anaphylaxis

Androgen Excess, Reproductive-Age Woman

Anemia, Aplastic

Anemia, Autoimmune, Hemolytic

Anemia, Drug Induced

Anemia, Hypochromic

Anemia, Iron Deficiency

Anemia, Low Reticulocyte Count

Anemia, Megaloblastic

Anemia, Pernicious

Anemia, Sideroblastic

Anergy, Cutaneous

Aneurysms, Thoracic Aorta

Angina Pectoris

Angioedem

Angioma (Cherry Angioma)

Angular Cheilitis (Perleche)

Anhydrosis

Anion Gap, Decrease

Anion Gap, Increase

Aniscoria

Ankle Fracture

Ankle Sprain

Anorectal Fissure

Anorexia Nervosa

Anovulation

Anthrax

Antinuclear Antibody (ANA) Positive

Antiphospholipid Antibody Syndrome (APS)

Anxiety

Aortic Dissection

Aortic Stenosis

Appendicitis

Appetite Loss In Infants And Children

Aphthous Stomatitis (Canker Sores)

Arterial Occlusion

Arthritis And Abdominal Pain

Arthritis And Diarrhea

Arthritis And Eye Lesions

Arthritis And Heart Murmur

Arthritis And Muscle Weakness

Arthritis And Rash

Arthritis And Subcutaneous Nodules

Arthritis And Weight Loss

Arthritis, Axial Skeleton

Arthritis, Fever And Rash

Arthritis, Granulomatous

Arthritis, Juvenile, Rheumatoid

Arthritis, Monoarticular And Oligoarticular

Arthritis, Pediatric Age

Arthritis, Polyarticular

Arthritis, Psoriatic

Arthritis, Rheumatoid

Arthritis, Septic

Asbestosis

Ascites

Aspergillosis

Asthenia

Asthma

Asthma, Childhood

Astrocytoma

Ataxia

Ataxia, Acute Or Recurrent

Ataxia, Chronic Or Progressive

Ataxia Telangiectasia

Atelectasis

Atrial Fibrillation

Atrial Flutter

Atrial Myxoma

Atrial Septal Defect (ASD)

Atrioventricular Nodal Block

Atrium Enlargement, Right Atrium

Attention Deficit Hyperactivity Disorder (ADHD)

Atypical Mole

Autistic Disorder

Av Nodal Block

Babesiosis

Back Pain

Back Pain, Children And Adolescents

Back Pain, Viscerogenic Origin

Baker's Cyst

Balanitis

Ballism

Barrett's Esophagus

Bartter's Syndrome

Basal Cell Carcinoma

Basophilia

Becker's Nevus

Behçet's Syndrome

Bell's Palsy

Bile Duct, Dilated

Bipolar Disorder

Bites And Stings, Arachnids

Bites And Stings, Insect

Bites, Snake

Bladder Cancer

Blastomycosis

Bleeding, Lower GI

Bleeding, Lower GI, Pediatric

Bleeding, Rectal

Bleeding Time Elevation

Bleeding, Upper GI

Bleeding, Upper GI, Pediatric

Blepharitis

Blindness, Geriatric Age

Blindness, Monocular, Transient

Blindness, Pediatric Age

Blisters, Subepidermal

Body Dysmorphic Disorder

Bone Lesions, Preferential Site Of Origin

Bone Marrow Fibrosis

Bone Mineral Density, Increased

Bone Pain

Bone Resorption

Bone Tumor, Primary Malignant

Borderline Personality Disorder

Botulism

Bowen's Disease

Bradycardia, Sinus

Brain Neoplasm

Breast Cancer

Breast Inflammatory Lesion

Breast Mass

Breath Odor

Breathing, Noisy

Bronchiectasis

Bronchitis, Acute

Brown Urine

Bruising

Bruxism

Budd-Chiari Syndrome

Bulimia

Bullous Diseases

Bullous Pemphigoid

Burning Mouth Syndrome

Burns

Bursitis

Café Au Lait Macule

Calcification On Chest X-Ray

Calcifications, Cutaneous

Calcium Stones

Candidiasis

Candidiasis, Vulvovaginal

Carbon Monoxide Poisoning

Carcinoid Syndrome

Cardiac Arrest, Nontraumatic

Cardiac Death, Sudden

Cardiac Enlargement

Cardiac Murmurs

Cardiac Tamponade

Cardioembolism

Cardiac

Cardiogenic Shock

Cardiomyopathy, Congestive

Cardiomyopathy, Dilated

Cardiomyopathy, Hypertrophic

Cardiomyopathy, Restrictive

Carpal Tunnel

Cataracts

Cat Scratch Disease

Cavernous Sinus Thrombosis

Cavitary Lesion On Chest X-Ray

Celiac Disease

Cellulitis

Cerebral Infarction Secondary To Inherited Disorders

Cerebrovascular Disease, Ischemic

Cervical Cancer

Cervical Disk Disease

Cervical Dysplasia

Cervical Polyp

Cervicitis

Chagas' Disease

Chancroid

Charcot's Joint

Chest Pain, Children

Chest Pain, Nonpleuritic

Chest Pain, Pleuritic

Chickenpox

Cholangitis

Cholecystitis

Cholelithiasis

Cholestasis

Chorea

Choreoathetosis

Chronic Fatigue Syndrome

Chronic Inflammatory Demyelinating Polyneuropathy

Chronic Obstructive Pulmonary Disease (COPD)

Churg-Strauss Syndrome

Chylothorax

Cicatricial Pemphigoid

Cirrhosis, Primary Biliary

Claudication

Cloudy Urine

Clubbing

Cobalamin Deficiency

Cocaine Overdose

Coccidioidomycosis

Colic, Acute Abdominal

Color Changes, Cutaneous

Colorado Tick Fever

Colorectal Cancer

Coma

Coma, Normal Computed Tomography

Coma, Pediatric Population

Condyloma Acuminatum

Congenital Adrenal Hyperplasia

Congestive Heart Failure

Conjunctival Neoplasm

Conjunctivitis

Constipation

Contact Dermatitis (Contact Eczema)

Constipation

Constipation, Adult Patient

Conversion Disorder

Corneal Abrasion

Corneal Sensation, Decreased

Corneal Ulceration

Cor Pulmonale

Costochondritis

Cough

Craniopharyngioma

Creutzfeldt-Jakob Disease

Crohn's Disease

Cryoglobulinemia

Cryptococcosis

Cryptorchidism

Cryptosporidiosis

Cubital Tunnel Syndrome

Cushing's Syndrome

Cutaneous Infections, Athletes

Cutaneous Larva Migrans

Cutis Laxa

Cyanosis

Cylindroma

Cysticercosis

Cystic Fibrosis

Cytomegalovirus Infection

Daytime Sleepiness

Decubitus Ulcer

Delirium

Delirium, Dialysis Patient

Dementia With Lewy Bodies

Demyelinating Diseases

Dependent Personality

Depression

De Quervain's Tenosynovitis

Dermatitis, Atopic

Dermatitis, Contact

Dermatitis Herpetiformis

Dermatofibroma

Dermatographism

Dermatomyositis

Dermatosis By Region

Dermatosis By Morphology

Dermoid Cyst

Diabetes Insipidus (Di)

Diabetes Mellitus

Diabetic Ketoacidosis

Diarrhea, Acute Watery And Bloody

Diarrhea, Tube-Fed Patient

Diffuse Interstitial Lung Disease

Digitalis Overdose

Diphtheria

Diplopia, Binocular

Diplopia, Monocular

Diplopia, Vertical

Discoid Lupus Erythematosus

Disseminated Intravascular Coagulation

Diverticular Disease

Dizziness

Drug Eruption

Dry Eye

Dumping Syndrome

Dysfunctional Uterine Bleeding

Dysmenorrhea

Dyspareunia

Dyspepsia, Nonulcerative

Dysphagia

Dyspnea

Dystonia

Dysuria

Earache

Echinococcosis

Eclampsia

Ectopic Adrenocorticotropic Hormone (ACTH) Secretion

Ectopic Pregnancy

Eczema Herpeticorum

Edema, Children

Edema, Generalized

Edema, Leg, Unilateral

Edema Of Lower Extremities

Ehlers-Danlos Syndrome

Ejaculation Disorders

Ejaculation, Premature

Ejection Sound Or Click

Elbow Pain

Electromechanical Dissociation (EMD)

Elevated Hemidiaphragm

Emboli, Arterial

Emesis, Pediatric Age

Empyema

Encephalitis, Viral

Encephalomyelitis, Nonviral Causes

Encephalopathy

Encephalopathy, Metabolic

Encopresis

Endocarditis, Infective

Endocarditis, Subacute

Endometrial Cancer

Endometriosis

Enthesopathy

Enuresis

Eosinophilic Fasciitis

Eosinophilic Pneumonia

Eosinophiluria

Ephelides (Freckles)

Epicondylitis

Epidermoid Cyst (Sebaceous Cyst, Epidermal Inclusion Cyst)

Epididymitis

Epiglottitis

Epilepsy

Episcleritis

Epistaxis

Epstein-Barr Infection

Erectile Dysfunction, Organic

Erosions, Genitalia

Erysipelas

Erythema Multiforme

Erythema Nodosum

Erythematous Annular Skin Lesions

Erythroderma

Erythrasma

Esophageal Cancer

Esophageal Perforation

Esophagitis

Esotropia

Essential Tremor

Exanthems

Eyelid Neoplasm

Eyelid Retraction

Eye Pain

Facial Pain

Facial Paralysis

Factitious Disorder (Including Munchausen's Syndrome)

Failure To Thrive

Fatigue

Fatty Liver

Fatty Liver Of Pregnancy

Felty's Syndrome

Femoral Neck Fracture

Fetal Alcohol SyndromE

Fever And Jaundice

Fever And Rash

Fever In Returning Travelers And Immigrants

Fever Of Undetermined Origin (Fuo), Possible Causes

Fibrocystic Breast Disease

Fibromyalgia

Fifth Disease

Filariasis

Finger Lesions, Inflammatory

Flank Pain

Flatulence And Bloating

Flushing

Folate Deficiency

Folliculitis

Foot Dermatitis

Foot Drop

Foot Lesion, Ulcerating

Foot Pain

Food Poisoning

Forearm And Hand Pain

Friedrich's Ataxia

Frostbite

Frozen Shoulder

Furuncle

Gait Abnormalities

Galactorrhea

Ganglia

Gardner's Syndrome

Gastric Cancer

Gastric Emptying, Delayed

Gastric Emptying, Rapid

Gastritis

Gastroesophageal Reflux Disease

Genital Discharge, Female

Genital Sores

Giant Cell Arteritis

Giardiasis

Gilbert's Disease

Gingivitis

Glaucoma, Chronic Open-Angle

Glaucoma, Narrow Angle

Glaucoma, Primary Angle-Closure

Glenohumeral Dislocation

Glomerulonephritis, Acute

Glomus Tumor

Glossitis

Glossodynia

Glucocorticoid Deficiency

Goiter

Gonorrhea

Goodpasture's Syndrome

Gout

Granuloma Annulare

Granuloma Inguinale

Granulomatous Dermatitides

Granulomatous Disorders

Granulomatous Liver Disease

Graves' Disease

Green Or Blue Urine

Groin Lump

Groin Pain, Active Patient

Guillain-Barré Syndrome

Gynecomastia

Hairy Tongue

Halitosis

Hand-Foot-Mouth Disease

Hand Pain And Swelling

Headache

Headache, Acute

Headache And Facial Pain

Headache, Cluster

Headache, Migraine

Headache, Tension-Type

Head And Neck, Soft Tissue Masses

Hearing Loss, Acute

Heartburn And Indigestion

Heart Failure, Pregnancy

Heat Illness

Heel Pain, Plantar

Hellp Syndrome

Hemarthrosis

Hematemesis

Hematuria

Hematuria, Cause By Age And Sex

Hemiparesis/Hemiplegia

Hemochromatosis

Hemolysis And Hemoglobinuria

Hemolysis, Intravascular

Hemolysis, Mechanical

Hemolytic Uremic Syndrome (HUS)

Hemoperitoneum

Hemophilia

Hemoptysis

Hemorrhoids

Hemosiderinuria

Henoch-Schoenlein Purpura

Hepatic Coma

Hepatic Cysts

Hepatic Encephalopathy

Hepatic Granulomas

Hepatitis A

Hepatitis, Acute

Hepatitis, Autoimmune

Hepatitis B

Hepatitis C

Hepatitis, Chronic

Hepatitis D

Hepatitis E

Hepatocellular Carcinoma

Hepatomegaly

Hepatomegaly, By Shape Of Liver

Hepatorenal Syndrome

Hermaphroditism

Herpangina

Herpes Simplex, Genital

Herpes Simplex, Oral

Herpes Zoster

Hiatal Hernia

Hiccups

Hidradenitis Suppurativa

Hip Pain, Children

Hip Pain, In Different Age Groups

Hirsutism

Histoplasmosis

Histrionic Personality

Hiv Infection, Anorectal Lesions

Hiv Infection, Chest Radiographic Abnormalities

Hiv Infection, Cognitive Impairment

Hiv Infection, Cutaneous Manifestations

Hiv Infection, Esophageal Disease

Hiv Infection, Hepatic Disease

Hiv Infection, Lower Gi Tract Disease

Hiv Infection, Ocular Manifestations

Hiv Infection, Pulmonary Disease

Hoarseness

Hodgkin's Disease

Hookworm

Hordeolum

Horner's Syndrome

Hot Flashes

Human Granulocytic Ehrlichiosis

Human Immunodeficiency Infection

Huntington's Disease

Hydrocele

Hydrocephalus

Hydrocephalus, Normal Pressure

Hydronephrosis

Hyperaldosteronism

Hyperamylasemia

Hyperbilirubinemia (Conjugated Bilirubin)

Hyperbilirubinemia, Total

Hyperbilirubinemia (Unconjugated Bilirubin)

Hypercalcemia

Hypercalcemia, Malignancy-Induced

Hypercapnia, Persistent

Hyperchloremia

Hypercholesterolemia

Hypercoagulable State, Acquired

Hypercoagulable State, Associated Disorders

Hypercoagulable State, Inherited

Hypercortisolemia

Hyperemesis Gravidarum

Hypereosinophilia

Hypergastrinemia

Hyperglycemia

Hyperhidrosis

Hyperimmunoglobulinemia

Hyperkalemia

Hyperkinetic Movement Disorders

Hyperlipoproteinemia, Primary

Hypermagnesemia

Hypernatremia

Hyperosmolality, Serum

Hyperosmolality, Urine

Hyperparathyroidism

Hyperphosphatemia

Hyperpigmentation

Hyperprolactinemia

Hyperproteinemia

Hypersensitivity Pneumonitis

Hypersplenism

Hyperthyroidism

Hypertrichosis

Hypertriglyceridemia

Hypertrophic Osteoarthropathy

Hyperuricemia

Hyperventilation, Persistent

Hyperviscosity, Serum

Hypoalbuminemia

Hypoaldosteronism

Hypocalcemia

Hypocapnia

Hypochloremia

Hypochondriasis

Hypogonadism

Hypoimmunoglobulinemia

Hypokalemia

Hypomagnesemia

Hyponatremia

Hypoosmolality, Serum

Hypoosmolality, Urine

Hypophosphatemia

Hypopigmentation

Hypopituitarism

Hypoproteinemia

Hypotension, Postural

Hypothermia

Hypothyroidism

ID Reaction

Idiopathic Intracranial Hypertension

Idiopathic Pulmonary Fibrosis

Iga Nephropathy

Iliac Fossa Pain, Right Sided

Immune Thrombocytopenic Purpura

Impetigo

Impotence

Inappropriate Secretion Of Antidiuretic Hormone

Inclusion Body Myositis

Incontinence, Fecal

Infertility, Female

Infertility, Male

Influenza

Insomnia

Insulinoma (Differential Diagnosis Of Fasting Hypoglycemia)

Interstitial Cystitis

Intestinal Pseudoobstruction

Intracranial Lesion

Intraocular Neoplasm

Iron Overload

Irritable Bowel Syndrome

Ischemic Colitis, Nonocclusive

Ischemic Necrosis Of Cartilage And Bone

Jaundice

Jaundice In The Adult Patient

Joint Pain, Anterior Hip, Medial Thigh, Knee

Joint Pain, Polyarticular

Joint Pain, Hip, Lateral Thigh

Joint Pain, Posterior Hips, Thigh, Buttocks

Joint Swelling

Jugular Venous Distention

Juvenile Idioapthic Arthritis

Kaposi's Sarcoma

Kawasaki's Disease

Keloid

Keratitis, Noninfectious

Keratoacanthoma

Kidney Enlargement, Unilateral

Knee Pain

Knee Pain, In Different Age Groups

Korsakoff's Psychosis

Labyrinthitis

Lactose Intolerance

Lambert-Eaton Myasthenic Syndrome

Laryngeal Cancer

Laryngitis

Laryngotracheobronchitis

Lead Poisoning

Left Axis Deviation

Left Bundle Branch Block

Leg Cramps, Nocturnal

Legg-Calve-Perthes Disease

Leg Cramps, Nocturnal

Leg Length Discrepancies

Leg Pain With Exercise

Leg Ulcers

Leishmaniasis

Lentigo

Leprosy

Leptomeningeal Lesions

Leptospirosis

Leukocoria

Leukocytoclastic Vasculitis

Leukoplakia, Oral Hairy (Oral Hairy Cell Leukoplakia)

Lichen Planus

Lichen Sclerosus

Lichen Sclerosus

Lichen Simplex Chronicus

Limp

Limping, Pediatric Age

Listeriosis

Livedo Reticulitis

Liver Enzyme Elevation

Liver Lesions, Benign, Often Confused

Low-Voltage Electrocardiogram (ECG)

Lumbar Disk Syndrome

Lung Neoplasm, Primary

Lyme Disease

Lymphadenopathy

Lymphangitis

Lymphedema

Lymphocytopenia

Lymphocytosis

Lymphogranuloma Verereum

Lymphoma, Non-Hodgkin

Lynch Syndrome

Macrocytosis

Macrothrombocytopenia, Inherited

Macular Degeneration

Malabsorption

Malaria

Malignant Hyperthermia

Mallory-Weiss Tear

Mastocystosis (Urticaria Pigmentosa)

Mastitis

Mastoiditis

Measles

Meckel's Diverticulum

Mediastinal Masses

Widening On Chest X-Ray

Mediastinitis, Acut

Meigs' Syndrome

Melanocytic Nevi (Moles)

Melanoma

Melanonychia

Melasma (Chloasma)

Memory Loss Symptoms, Elderly Patients

Meniere's Disease

Meningioma

Meningitis, Bacterial

Meningitis, Chronic

Meningitis, Recurrent

Meningitis, Viral

Menopause

Mesenteric Adenitis

Mesenteric Ischemia, Nonocclusive

Mesenteric Venous Thrombosis

Metabolic Syndrome

Metastatic Neoplasms

Metatarsalgia

Microcephaly

Microcytosis

Micropenis

Mild Cognitive Impairment

Miliaria

Miosis

Mitral Regurgitation

Mitral Stenosis

Mitral Valve Prolapse

Molluscum Contagiosum

Mongolian Spot

Monoarthritis, Acute

Monocytosis

Mononeuropathy

Mononucleosis

Morton's Neuroma

Motion Sickness

Multifocal Atrial Tachycardia

Multiple Myeloma

Multiple Sclerosis (MS)

Mumps

Munchausen's Syndrome

Muscle Weakness

Muscle Weakness, Lower Motor Neuron Versus Upper Motor Neuron

Muscular Dystrophy

Mushroom Poisoning

Myasthenia Gravis

Mycosis Fungoide

Mydriasis

Myelin Disorders

Myelodysplastic Syndrome

Myelopathy And Myelitis

Myocardial Ischemia

Myocarditis

Myoclonus

Myoglobinuria

Myopathies, Infectious

Myopathies, Inflammatory

Myopathies, Toxic

Myositis, Inflammatory

Myotonia

Myxedema Coma

Nail Clubbing

Nail, Horizontal White Lines (Beau's Lines)

Nail, Koilonychia

Nail, Onycholysis

Nail Pitting

Nail Splinter Hemorrhage

Nail Striations

Nail Telangiectasia

Nail Whitening (Terry's Nails)

Nail Yellowing

Narcissistic Personality

Narcolepsy

Nausea And Vomiting

Neck And Arm Pain

Neck Mass

Neck Pain

Necrobiosis Lipoidica

Nephritic Syndrome, Acute

Nephroblastoma

Nephrocalcinosis

Nephrotic Syndrome

Neuroblastoma

Neurofibromatosis

Neurogenic Bladder

Neuroleptic Malignant Syndrome

Neurologic Deficit, Focal

Neurologic Deficit, Multifocal

Neuropathic Bladder

Neuropathies With Facial Nerve Involvement

Neuropathies, Painful

Neuropathy, Hereditary

Neutropenia

Neutrophilia

Nevus Flammeus

Nevus Of Ota And Ito

Nipple Lesions

Nocardiosis

Nodular Lesions, Skin

Nodules, Painful

Nonalcoholic Fatty Liver

Nummular Eczema

Nystagmus

Nystagmus, Monocular

Obesity

Obsessive Compulsive Disorder (OCD)

Ocular Foreign Body

Odynophagia

Onychomycosis

Ophthalmoplegia

Opioid Dependence

Opsoclonus

Optic Atrophy

Optic Neuritis

Oral Mucosa, Erythematous Lesions

Oral Mucosa, Pigmented Lesions

Oral Mucosa, Punctate Erosive Lesions

Oral Mucosa, White Lesions

Oral Ulcers, Acute

Oral Vesicles And Ulcers

Orbital Lesions, Calcified

Orbital Lesions, Cystic

Orchitis

Orgasm Dysfunction

Orofacial Pain

Orthostatic Hypotension

Osgood- Schlatter Disease

Osler-Rendu-Weber Disease

Osteoarthritis

Osteomyelitis

Osteoporosis

Osteoporosis, Secondary Causes

Otitis Externa

Otitis Media

Otosclerosis

Ovarian Cancer

Ovarian Mass

Ovarian Tumors

Ovulatory Dysfunction

Paget's Disease Of Bone

Paget's Disease Of Breast

Pain, Midfoot

Pain, Plantar Aspect, Heel

Pain, Posterior Heel

Palindromic Rheumatism

Palmoplantar Hyperkeratosis

Palpitations

Pancr Eatic Calcifications

Pancreatic Cancer (Exocrine)

Pancreatitis, Acute

Pancreatitis, Chronic

Pancytopenia

Panic Disorder

Papilledema

Papulosquamous Diseases

Paraneoplastic Neurologic Syndromes

Paraneoplastic Syndromes, Endocrine

Paraneoplastic Syndromes, Nonendocrine

Paranoid Personality

Paraplegia

Paresthesias

Parkinsonism-Plus Syndromes

Parkinson's Disease

Paronychia

Parotid Swelling

Paroxysmal Cold Hemoglobinuria (PCH)

Pediculosis

Pedophilia

Pelvic Inflammatory Disease

Pelvic Mass

Pelvic Pain, Chronic

Pelvic Pain, Genital Origin

Pemphigus

Pemphigus Vulgaris

Penile Rash

Peptic Ulcer Disease

Perianal Pain

Pericardial Effusion

Pericarditis

Periodic Paralysis, Hyperkalemic

Periodic Paralysis, Hypokalemic

Peripheral Arterial Disease

Peritoneal Carcinomatosis

Peritoneal Effusion

Peritonitis, Secondary

Peritonitis, Spontaneous Bacterial

Peritonsillar Abscess

Periumbilical Swelling

Pertussis

Peutz-Jeghers Syndrome

Pheochromocytoma

Phobias

Photodermatoses

Photosensitivity

Pilonidal Cyst

Pinworms

Pituitary Adenoma

Pityarisis Alba

Pityriasis Rosea

Placenta Previa

Plantar Fasciitis

Pleural Effusions

Pleural Effusions, Malignancy-Associated

Pneumonia, Bacterial

Pneumonia, Mycoplasma

Pneumonia, Pneumocystis Carinii

Pneumonia, Pneumocystis Jirovecii

Pneumonia, Recurrent

Pneumonia, Viral

Pneumothorax

Pneumothorax, Spontaneous

Poliomyelitis

Polyarteritis Nodosa

Polycystic Kidney Disease

Polycystic Ovary Syndrome (PCOS)

Polycythemia Vera

Polymorphous Light Eruption

Polymyalgia Rheumatica

Polymyositis

Polyneuropathy

Polyneuropathy, Drug Induced

Polyneuropathy, Symmetric

Polyuria

Popliteal Swelling

Porphyria Cutanea Tarda (PCT)

Portal Hypertension

Postconcussive Syndrome

Postmenopausal Bleeding

Postpoliomyelitis Syndrome

Precocious Puberty

Posttraumatic Stress Disorder

Postural Hypotension, Nonneurologic

Precocious Puberty

Preeclampsia

Premature Graying, Scalp Hair

Premenstrual Dysphoric Disorder

Progressive Supranuclear Palsy

Prolactinoma

Pronator Syndrome

Proptosis

Proptosis And Palatal Necrotic Ulcers

Prostate Cancer

Prostatic Hyperplasia, Benign

Proteinuria

Pruritus

Pruritus Ani

Pruritus Vulvae

Pseudocyanosis, Etiology

Pseudofolliculitis Barbae (Ingrown Hairs, Razor Bumps)

Pseudogout

Pseudohermaphroditism, Female

Pseudohermaphroditism, Male

Pseudoinfarction

Pseudomembranous Colitis

Psaeudoxanthoma Elasticum

Psittacosis

Psoriasis

Psychosis

Ptosis

Puberty, Delayed

Puberty, Precocious

Pulmonary Crackles

Pulmonary Embolism

Pulmonary Hypertension, Primary

Pulmonary Lesions

Pulmonary Nodule, Solitary

Pulseless Electrical Activity (Electromechanical Dissociation [EMD]), DDx)

Pulseless Electrical Activity

Pupillary Dilatation, Poor Response

Purpura

Pyelonephritis

Pylar Cyst (Wen)

Pyoderma Gangrenosum

Pyogenic Granuloma

Qt Interval Prolongation

Rabies

Ramsay Hunt Syndrome

Rash, Febrile Child

Rash, Pruritic, Child

Raynaud's Phenomenon

Rectal Mass, Palpable

Rectal Pain

Red Blood Cell Aplasia, Acquired, Etiology

Red Eye

Red Hot Joint

Red Urine

Reiter's Syndrome

Renal Artery Occlusion, Causes

Renal Cell Adenocarcinoma

Renal Cell Carcinoma

Renal Cystic Disorders

Renal Failure, Intrinsic Or Parenchymal Causes

Renal Failure, Intrinsic Or Parenchymal Causes

Renal Failure, Postrenal Causes

Renal Failure, Prerenal Causes

Renal Tubular Acidosis

Renal Vein Thrombosis, Causes

Respiratory Failure, Hypoventilatory

Restless Legs Syndrome

Reticulocytosis

Retinitis Pigmentosa

Retinoblastoma

Retinopathy, Diabetic

Retinopathy, Hypertensive

Retropharengeal Abscess

Reye's Syndrome

Rhinitis

Rhinitis, Allergic

Rhus Dermatitis (Poison Ivy, Poison Oak, Poison Sumac)

Rheumatic Fever

Rickets

Right Axis Deviation

Rocky Mountain Spotted Fever

Rosacea

Roseola

Rotator Cuff Syndrome

Rubella

Salivary Gland Enlargement

Salivary Gland Secretion, Decreased

Salmonellosis

Sarcoidosis

Scabies

Scarlet Fever

Schistosomiasis

Schizophrenia

Scleroderma

Scrotal Pain

Scrotal Swelling

Seasonal Affective Disorder

Seborrheic Dermatitis

Seborrheic Keratosis

Seizure

Seizures, Absence

Seizures, Febrile

Seizures, Partial

Seizures, Pediatric

Septicemia

Serotonin Syndrome

Severe Acute Respiratory Syndrome (SARS)

Sexual Precocity

Sexually Transmitted Diseases, Anorectal Region

Sexual Precocity

Sheehan's Syndrome

Shigellosis

Shoulder Pain

Shoulder Pain By Location

Sialadenitis

Sialolithiasis

Sick Sinus Syndrome

Silicosis

Sinusitis

Sjo¨Gren's Syndrome

Sleep Apnea

Small Bow

Small Bowel Obstruction

Small Intestine Ulceration

Smallpox

Smell Disturbance

Somatization Disorder

Sore Throat

Spastic Paraplegias

Spinal Cord Compression, Epidural

Spinal Cord Dysfunction

Spinal Cord Ischemic Syndromes

Spinal Epidural Abscess

Spinal Stenosis

Spinal Stenosis, Lumbar

Spinal Tumors

Spinocerebellar Ataxia

Splenomegaly

Splenomegaly And Hepatomegaly

Splenomegaly, Children

Spontaneous Miscarriage

Sporotrichosis

Squamous Cell Carcinoma

Staphylococcal Scalded Skin Syndrome (SSSS)

Stasis Dermatitis

Status Epilepticus

Steatohepatitis

Stevens-Johnson Syndrome

Stomatitis, Blistery Lesions

Stomatitis, Bullous

Stomatitis, Dark Lesions (Brown, Blue, Black)

Stomatitis, Raised Lesions

Stomatitis, Red Lesions

Stomatitis, White Lesions

Strabismus

Striae (Stretch Marks)

Stridor, Pediatric Age

Stroke

Stroke, Pediatric Age

Stroke, Young Adult, Causes

St Segment Elevations, Nonischemic

Sturge-Weber Syndrome

Subarachnoid Hemorrhage

Subclavian Steal Syndrome

Subdural Hematoma

Sudden Death, Pediatric Age

Sudden Death, Young Athlete

Swollen Limb

Syncope

Syndrome Of Inappropriate Antidiuresis

Syringomyelia

Systemic Lupus Erythematosus

Tabes Dorsalis

Takayasu's Arteritis

Tall Stature

Tardive Dyskinesia

Tarsal Tunnel Syndrome

Taste And Smell Loss

Telangiectasia

Tendinopathy

Testicular Failure

Testicular Neoplasm

Testicular Pain

Testicular Size Variations

Testicular Torsion

Tetanus

Tetralogy Of Fallot

Thoracic Outlet Syndrome

Thromboangiitis Obliterans

Thrombocytopenia

Thrombocytopenia, Inherited Disorders

Thrombocytopenia, In Pregnancy

Thrombocytosis

Thrombophlebitis, Superficial

Thrombosis, Deep Vein

Thrombotic Thrombocytopenic Purpura

Thyroid Carcinoma

Thyroid Nodule

Thyroid Storm

Thyroiditis

Thyromegaly

Tick-Related Infections

Tics

Tinea Barbae And Tinea Facie

Tinea Capitis

Tinea Corporis

Tinea Cruris

Tinea Pedis

Tinea Versicolor

Tinnitus

Torsades De Pointes

Tourette's Syndrome

Toxic Shock Syndrome

Toxoplasmosis

Tracheitis

Transient Ischemic Attack (TIA)

Tremor

Trichinosis

Trichotillomania

Tricuspid Stenosis

Trigger Finger

Trochanteric Bursitis

Tropical Sprue

Tuberculosis Miliary

Tuberculosis, Pulmonary

Tubulointerstitial Disease, Acute

Tubulointerstitial Kidney Disease

Tularemia

Tumor Markers Elevation

Turner's Syndrome

Typhoid Fever

Ulcerative Colitis

Urethral Discharge And Dysuria

Urethritis, Gonococcal

Urethritis, Nongonococcal

Uric Acid Stones

Urinary Retention, Acute

Urinary Tract Infection

Urine Casts

Urine, Red

Urolithiasis

Uropathy, Obstructive

Urticaria

Uterine Bleeding, Abnormal

Uterine Myoma

Uveitis

Vaginal Bleeding

Vaginal Bleeding, Pregnancy

Vaginal Discharge, Prepubertal Girls

Varicocele

Varicose Veins

Vasculitis, Classification

Vasculitis, Diseases That Mimic Vasculitis

Venous Lake

Venouis Leg Ulcers

Ventricular Failure

Ventricular Septal Defect

Vertebral Compression Fractures

Vertigo

Vesiculobullous Diseases

Vesiculopostules, Newborn Infants

Vestibular Neuronitis

Vision Loss, Acute, Painful

Vision Loss, Acute, Painless

Vision Loss, Chronic, Progressive

Vitiligo

Vocal Cord Paralysis

Volume Depletion

Volume Excess

Vomiting

Vulvar Cancer

Vulvar Lesions

Vulvovaginitis, Bacterial

Vulvovaginitis, Estrogen Deficient

Vulvovaginitis, Fungal

Vulvovaginitis, Prepubescent

Vulvovaginitis, Trichomonas

Waldenstrom's Macroglobulinemia

Warts

Weakness, Acute, Emergent

Weakness, Gradual Onset

Wegener's Granulomatosis

Weight Gain

Weight Loss

Wernicke's Encephalopathy

West Nile Virus Infection

Wheezing

Wheezing, Pediatric Age

Whiplash

Whipple's Disease

Wrist Pain

Wrist And Hand Pain, In Different Age Groups

Xanthoma

Xerophthalmia

Xerosis

Xerostomia

Yellow Fever

Yellow Urine

Zenker's Diverticulum