Diseases & Conditions

Browse the list of diseases and conditions below. Content in this section of the library is provided by Mayo Clinic. The information on these pages should not be considered medical advice and is for informational purposes only.

Abdominal aortic aneurysm

Absence seizure

Acanthosis nigricans

Achalasia

Achilles tendinitis

Achilles tendon rupture

ACL injury

Acne

Acoustic neuroma

Acromegaly

Actinic keratosis

Acute coronary syndrome

Acute flaccid myelitis (AFM)

Acute kidney failure

Acute liver failure

Acute lymphocytic leukemia

Acute myelogenous leukemia

Acute sinusitis

Adenomyosis

Adjustment disorders

Adrenal cancer

Adrenoleukodystrophy

Adult attention-deficit/hyperactivity disorder (ADHD)

Age spots (liver spots)

Agoraphobia

Airplane ear

Albinism

Alcohol intolerance

Alcohol poisoning

Alcohol use disorder

Alcoholic hepatitis

Allergies

Alpha-gal syndrome

Ambiguous genitalia

Ameloblastoma

Amenorrhea

Amnesia

Amniotic fluid embolism

Ampullary cancer

Amyloidosis

Amyotrophic lateral sclerosis (ALS)

Anal cancer

Anal fissure

Anal itching

Anaphylaxis

Anemia

Angelman syndrome

Angina

Angiosarcoma

Anhidrosis

Ankylosing spondylitis

Anorexia nervosa

Anorgasmia in women

Anterior prolapse (cystocele)

Anthrax

Antibiotic-associated diarrhea

Antiphospholipid syndrome

Antisocial personality disorder

Anxiety disorders

Aortic dissection

Aortic valve disease

Aortic valve regurgitation

Aortic valve stenosis

Aphasia

Aplastic anemia

Appendicitis

ARDS

Arteriosclerosis / atherosclerosis

Arteriovenous fistula

Arteriovenous malformation

Arthritis

Asbestosis

Ascariasis

Aspergillosis

Asthma

Asthma attack

Astigmatism

Astrocytoma

Ataxia

Atelectasis

Atopic dermatitis (eczema)

Atrial fibrillation

Atrial septal defect (ASD)

Atrial tachycardia

Atrioventricular canal defect

Atrioventricular nodal reentry tachycardia (AVNRT)

Attention-deficit/hyperactivity disorder (ADHD) in children

Atypical depression

Atypical hyperplasia of the breast

Autism spectrum disorder

Autoimmune hepatitis

Autoimmune pancreatitis

Autonomic neuropathy

Avascular necrosis

 

C. difficile infection

Calciphylaxis

Cancer

Canker sore

Carbon monoxide poisoning

Carcinoid syndrome

Carcinoid tumors

Carcinoma of unknown primary

Cardiogenic shock

Cardiomyopathy

Carotid artery disease

Carpal tunnel syndrome

Castleman disease

Cataracts

Cavernous malformations

Cavities/tooth decay

Celiac disease

Cellulite

Cellulitis

Central sleep apnea

Cerebral palsy

Cervical cancer

Cervical dystonia

Cervical spondylosis

Cervicitis

Chagas disease

Charcot-Marie-Tooth disease

Chemo brain

Chest pain

Chiari malformation

Chickenpox

Chilblains

Child abuse

Childhood apraxia of speech

Childhood asthma

Childhood obesity

Childhood schizophrenia

Chlamydia trachomatis

Cholangiocarcinoma (bile duct cancer)

Cholecystitis

Cholera

Cholestasis of pregnancy

Chondrosarcoma

Chordoma

Choroid plexus carcinoma

Chronic cough

Chronic daily headaches

Chronic exertional compartment syndrome

Chronic fatigue syndrome

Chronic granulomatous disease

Chronic hives

Chronic kidney disease

Chronic lymphocytic leukemia

Chronic myelogenous leukemia

Chronic pelvic pain in women

Chronic sinusitis

Chronic traumatic encephalopathy

Churg-Strauss syndrome

Cirrhosis

Claudication

Cleft lip and cleft palate

Clubfoot

Cluster headache

Coarctation of the aorta

Cold sore

Cold urticaria

Colic

Colon cancer

Colon polyps

Color blindness

Coma

Common cold

Common cold in babies

Common warts

Complex regional pain syndrome

Complicated grief

Compulsive gambling

Compulsive sexual behavior

Concussion

Congenital adrenal hyperplasia

Congenital heart defects in children

Congenital heart disease in adults

Congenital mitral valve anomalies

Congenital myopathies

Conjoined twins

Constipation

Constipation in children

Contact dermatitis

Convergence insufficiency

COPD

Corns and calluses

Coronary artery disease

Coronavirus disease 2019 (COVID-19)

Corticobasal degeneration

Costochondritis

Cough headaches

Cradle cap

Craniopharyngioma

Craniosynostosis

Creutzfeldt-Jakob disease

Croup

Cryoglobulinemia

Cryptosporidium infection

Cushing syndrome

Cutaneous B-cell lymphoma

Cutaneous T-cell lymphoma

Cyclic vomiting syndrome

Cyclospora infection

Cyclothymia (cyclothymic disorder)

Cystic fibrosis

Cystitis

Cytomegalovirus (CMV) infection

Painful intercourse (dyspareunia)

Pancreatic cancer

Pancreatic cysts

Pancreatic neuroendocrine tumors

Pancreatitis

Panic attacks and panic disorder

Paraganglioma

Paraneoplastic syndromes of the nervous system

Parotid tumors

Partial anomalous pulmonary venous return

Parvovirus infection

Patellar tendinitis

Patellofemoral pain syndrome

Patent ductus arteriosus (PDA)

Patent foramen ovale

Peanut allergy

Pectus carinatum

Pectus excavatum

Pediatric brain tumors

Pediatric obstructive sleep apnea

Pediatric thrombocytopenia

Pelvic inflammatory disease (PID)

Pemphigus

Penicillin allergy

Peptic ulcer

Pericardial effusion

Pericarditis

Perimenopause

Periodontitis

Peripheral artery disease (PAD)

Peripheral nerve injuries

Peripheral nerve tumors

Peripheral neuropathy

Peritonitis

Persistent depressive disorder (dysthymia)

Persistent post-concussive symptoms (Post-concussion syndrome)

Personality disorders

Pet allergy

Phantom pain

Phenylketonuria (PKU)

Pheochromocytoma

Pilonidal cyst

Pinched nerve

Pineoblastoma

Pink eye (conjunctivitis)

Pinworm infection

Pituitary tumors

Pityriasis rosea

Placenta accreta

Placenta previa

Placental abruption

Plague

Plantar fasciitis

Plantar warts

Pleurisy

Pneumonia

Pneumonitis

Pneumothorax

Poison ivy rash

Polio

Polycystic kidney disease

Polycystic ovary syndrome (PCOS)

Polycythemia vera

Polyhydramnios

Polymorphous light eruption

Polymyalgia rheumatica

Polymyositis

Popliteal artery entrapment syndrome

Porphyria

Post-polio syndrome

Post-traumatic stress disorder (PTSD)

Posterior cortical atrophy

Posterior cruciate ligament injury

Posterior vaginal prolapse (rectocele)

Postherpetic neuralgia

Postpartum depression

Postpartum preeclampsia

Postpartum thyroiditis

Prader-Willi syndrome

Precocious puberty

Prediabetes

Preeclampsia

Premature birth

Premature ejaculation

Premature ventricular contractions (PVCs)

Premenstrual syndrome (PMS)

Presbyopia

Prescription drug abuse

Preterm labor

Priapism

Primary aldosteronism

Primary biliary cholangitis

Primary immunodeficiency

Primary lateral sclerosis (PLS)

Primary ovarian insufficiency

Primary progressive aphasia

Primary sclerosing cholangitis

Proctitis

Progeria

Progressive supranuclear palsy

Prolactinoma

Prostate cancer

Prostatitis

Pseudobulbar affect

Pseudocholinesterase deficiency

Pseudogout

Pseudomembranous colitis

Pseudotumor cerebri

Psoriasis

Psoriatic arthritis

Pubic lice (crabs)

Pulmonary atresia

Pulmonary atresia with intact ventricular septum

Pulmonary atresia with ventricular septum defect

Pulmonary edema

Pulmonary embolism

Pulmonary fibrosis

Pulmonary hypertension

Pulmonary valve stenosis

Pyloric stenosis

Pyoderma gangrenosum

Sacral dimple

Sacroiliitis

Salivary gland tumors

Salmonella infection

Sarcoidosis

Sarcoma

Scabies

Scarlet fever

Schizoaffective disorder

Schizoid personality disorder

Schizophrenia

Schizotypal personality disorder

Schwannoma

Sciatica

Scleroderma

Sclerosing mesenteritis

Scoliosis

Scorpion sting

Scrotal masses

Seasonal affective disorder (SAD)

Sebaceous carcinoma

Seborrheic dermatitis

Seborrheic keratosis

Secondary hypertension

Seizures

Self-injury/cutting

Separated shoulder

Separation anxiety disorder

Sepsis

Septic arthritis

Serotonin syndrome

Severe acute respiratory syndrome (SARS)

Sex headaches

Sexually transmitted diseases (STDs)

Shaken baby syndrome

Shellfish allergy

Shigella infection

Shin splints

Shingles

Short bowel syndrome

Sick sinus syndrome

Sickle cell anemia

Sinus headaches

Skin cancer

Sleep apnea

Sleep terrors (night terrors)

Sleep-related eating disorder

Sleepwalking

Small bowel cancer

Small bowel prolapse (enterocele)

Small intestinal bacterial overgrowth (SIBO)

Small vessel disease

Smallpox

Snoring

Social anxiety disorder (social phobia)

Soft palate cancer

Soft tissue sarcoma

Solitary fibrous tumor

Solitary rectal ulcer syndrome

Somatic symptom disorder

Sore throat

Soy allergy

Specific phobias

Spermatocele

Spider bites

Spina bifida

Spinal arteriovenous malformation (AVM)

Spinal cord injury

Spinal cord tumor

Spinal headaches

Spinal stenosis

Spontaneous coronary artery dissection (SCAD)

Sprained ankle

Sprains

Squamous cell carcinoma of the skin

Stage 4 prostate cancer

Staph infections

Stevens-Johnson syndrome

Stickler syndrome

Stomach cancer

Stomach polyps

Strep throat

Stress fractures

Stress incontinence

Stretch marks

Stroke

Stuttering

Sty

Subarachnoid hemorrhage

Subconjunctival hemorrhage (broken blood vessel in eye)

Sudden cardiac arrest

Sudden infant death syndrome (SIDS)

Suicide and suicidal thoughts

Sun allergy

Sunburn

Supraventricular tachycardia

Sweating and body odor

Swollen knee

Swollen lymph nodes

Synovial sarcoma

Syphilis

Syringomyelia

Systemic mastocytosis