All Diseases that Start with C (Rare, Deadly, and Many More!)

Dive into our extensive guide on diseases starting with “C.” This blog post uncovers a myriad of conditions, ranging from those affecting blood, bones, and eyes to mental, lung, and skin health issues.

We also explore diseases in dogs and cats, as well as a variety of deadly, rare, autoimmune, and bacterial infections. Join us as we unravel the complexities and intricacies of these diverse diseases.

Top 100 Diseases that Start with C

  • Cancer: Abnormal cell growth and division
  • COVID-19: Respiratory virus pandemic
  • Cystic Fibrosis: Genetic lung disorder
  • Cataracts: Clouding of the eye lens
  • Cholera: Severe diarrheal disease
  • Chlamydia: Common bacterial STI
  • Cirrhosis: Liver scarring from damage
  • Colitis: Inflammation of the colon
  • Conjunctivitis: Inflammation of the eye’s conjunctiva
  • Carpal Tunnel Syndrome: Nerve compression in the wrist
  • Crohn’s Disease: Chronic inflammatory bowel disease
  • Cushing’s Syndrome: High cortisol levels
  • Cerebral Palsy: Movement disorders from birth
  • Chickenpox: Viral skin rash illness
  • Chronic Fatigue Syndrome: Prolonged weariness disorder
  • Celiac Disease: Gluten intolerance disorder
  • Cystitis: Inflammation of the bladder
  • Cardiomyopathy: Heart muscle disease
  • Chronic Bronchitis: Persistent bronchial inflammation
  • Croup: Respiratory infection in children
  • Chikungunya: Mosquito-borne viral disease
  • Conjunctival Hemorrhage: Broken eye blood vessels
  • Candidiasis: Fungal infection (yeast)
  • Cleft Palate: Birth defect of palate
  • Chronic Kidney Disease: Gradual kidney function loss
  • Corns and Calluses: Skin thickening from friction
  • Chagas Disease: Parasitic infection from insects
  • Coxsackie Virus: Hand, foot, and mouth disease
  • Cervical Cancer: Cancer of the cervix
  • Cluster Headaches: Severe, recurrent headaches
  • Cerebral Aneurysm: Brain blood vessel bulge
  • Cryptosporidiosis: Parasitic intestinal disease
  • Cushing’s Disease: Pituitary gland tumor
  • Cellulitis: Bacterial skin infection
  • Cystinuria: Kidney stone-forming condition
  • Cold Sores: Herpes simplex virus blisters
  • Chronic Obstructive Pulmonary Disease (COPD): Lung airflow blockage
  • Coronary Artery Disease: Heart’s blood vessels disorder
  • Cerebrovascular Accident (Stroke): Brain blood flow disruption
  • Chronic Pancreatitis: Persistent pancreatic inflammation
  • Congestive Heart Failure: Heart pumping inefficiency
  • Cervicitis: Inflammation of the cervix
  • Cubital Tunnel Syndrome: Elbow nerve compression
  • Creutzfeldt-Jakob Disease: Rapidly progressive brain disorder
  • Cushingoid Appearance: Steroid therapy side effect
  • Chronic Lymphocytic Leukemia: Blood and bone marrow cancer
  • Craniosynostosis: Early infant skull fusion
  • Cavernous Sinus Thrombosis: Blood clot near the brain
  • Cystadenoma: Ovarian or pancreatic cysts
  • Cauda Equina Syndrome: Lower spinal cord compression
  • Celiac Sprue: Severe gluten intolerance
  • Cerebellar Ataxia: Coordination loss disorder
  • Chronic Venous Insufficiency: Poor leg veins return
  • Cutaneous T-cell Lymphoma: Skin lymphoma type
  • Congenital Heart Defects: Heart defects from birth
  • Chondromalacia Patellae: Softening of the kneecap cartilage
  • Craniofacial Dysostosis: Congenital bone growth disorder
  • Cyanotic Heart Disease: Heart defect causing oxygen deprivation
  • Crouzon Syndrome: Skull bones premature fusion
  • Chronic Rhinosinusitis: Long-term nasal inflammation
  • Cervical Spondylosis: Neck arthritis and disk degeneration
  • Cytomegalovirus (CMV): Common herpes virus infection
  • Chondrosarcoma: Cartilage-based cancer
  • Chronic Thromboembolic Pulmonary Hypertension: Blood clots in lungs
  • Chronic Myeloid Leukemia: Bone marrow cancer
  • Cryptococcosis: Fungal infection (often lung and brain)
  • Cyclic Vomiting Syndrome: Recurrent, severe vomiting episodes
  • Chordoma: Rare type of bone cancer
  • Churg-Strauss Syndrome: Blood vessel inflammation
  • Congenital Adrenal Hyperplasia: Genetic adrenal gland disorder
  • Coccidioidomycosis: Fungal lung infection (Valley fever)
  • Chronic Myelogenous Leukemia: Slow-progressing bone marrow cancer
  • Cranial Arteritis: Giant cell arteritis
  • Chondrocalcinosis: Calcium deposits in cartilage
  • Cerebral Edema: Excess fluid in the brain
  • Charcot-Marie-Tooth Disease: Nerve damage disorder
  • Chorea: Movement disorder
  • Cryoglobulinemia: Blood proteins clumping in cold
  • Chronic Granulomatous Disease: Immune system disorder
  • Calcinosis Cutis: Calcium deposits in the skin
  • Carcinoid Syndrome: Hormone-secreting tumor symptoms
  • Cryptorchidism: Undescended testicles
  • Cystocele: Bladder prolapse into the vagina
  • Corneal Ulcer: Open sore on the eye’s cornea
  • Cerebral Palsy: A group of disorders affecting movement and muscle tone
  • Carpal Tunnel Syndrome: Nerve compression in the wrist
  • Cushing’s Syndrome: Excess cortisol production
  • Chikungunya: Virus transmitted by mosquitoes
  • Cholera: Infectious disease causing severe diarrhea
  • Cystic Fibrosis: Genetic disorder affecting the lungs and digestive system
  • Celiac Disease: Autoimmune disorder affecting digestion
  • Cervical Cancer: Cancer developing in the cervix
  • Cataract: Clouding of the lens in the eye
  • Congenital Heart Disease: Heart abnormalities present from birth
  • Chronic Obstructive Pulmonary Disease (COPD): Lung disease causing obstructed airflow
  • Chronic Kidney Disease: Gradual loss of kidney function
  • Chagas Disease: Infectious disease transmitted by insects
  • Chickenpox: Viral infection causing itchy rash and flu-like symptoms
  • Cluster Headaches: Severe headaches occurring in clusters
  • Chronic Bronchitis: Inflammation of the bronchial tubes

Also, Check:

Medical Terms That Start With C

Fitness Words That Start With C

Rare Diseases That Start With C

  • Carnitine Transporter Deficiency
  • Cat Eye Syndrome
  • Cavernous Hemangioma
  • Cerebrotendinous Xanthomatosis
  • Charcot-Marie-Tooth Disease
  • Chediak-Higashi Syndrome
  • CHARGE Syndrome
  • Cherubism
  • Chondrodysplasia Punctata
  • Chondromalacia
  • Choroid Plexus Carcinoma
  • Christmas Disease
  • Chromosome 22q11.2 Deletion Syndrome
  • Chronic Granulomatous Disease
  • Chronic Inflammatory Demyelinating Polyneuropathy

Deadly Diseases That Start With C

  • Cancer
  • Cerebral Malaria
  • Cervical Cancer
  • Chagas Disease
  • Cholera
  • Chronic Kidney Disease
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Cirrhosis
  • Colorectal Cancer
  • Creutzfeldt-Jakob Disease
  • Cryptococcal Meningitis
  • Cystic Fibrosis
  • Cytomegalovirus (CMV) Infection
  • Chikungunya (severe complications)
  • Congenital Heart Disease (severe forms)

Explore More Diseases Starting With:

AB – C – DEFGHIJKLMNOPQRSTUVWXYZ

Our journey through diseases beginning with “C” continues as we break them down by category. In the following sections, we’ll explore various diseases categorized by the body part or system they affect, such as autoimmune, blood, bone, eye, ear, hand, lung, liver, heart, skin diseases, and bacterial infections.

This categorization will offer a clearer understanding of how these diseases manifest and impact different parts of the body.

Other Diseases Beginning With C (Divided By Type)

Autoimmune Diseases That Start With C

  • Celiac Disease
  • Churg-Strauss Syndrome
  • Crohn’s Disease
  • Chronic Inflammatory Demyelinating Polyneuropathy
  • Cogan’s Syndrome
  • Cold Agglutinin Disease
  • Crest Syndrome
  • Cryoglobulinemia
  • Chronic Granulomatous Disease
  • Chronic Rheumatic Heart Disease
  • Cyclic Neutropenia
  • Castleman Disease
  • Chondrodermatitis Nodularis Helicis
  • Chronic Fatigue Syndrome
  • Chronic Recurrent Multifocal Osteomyelitis

Blood Diseases That Start With C

  • Chronic Lymphocytic Leukemia
  • Chronic Myeloid Leukemia
  • Christmas Disease
  • Cryoglobulinemia
  • Cyclic Neutropenia
  • Cold Agglutinin Disease
  • Chronic Granulomatous Disease
  • Castleman Disease
  • Chediak-Higashi Syndrome
  • Chronic Immune Thrombocytopenia
  • Congenital Dyserythropoietic Anemia
  • Congenital Hemolytic Anemia
  • Congenital Neutropenia
  • Chronic Myelomonocytic Leukemia
  • Chronic Neutrophilic Leukemia

Bone Diseases That Start With C

  • Congenital Hip Dysplasia
  • Craniosynostosis
  • Chondromalacia
  • Cherubism
  • Caffey Disease
  • Camurati-Engelmann Disease
  • Chondrodysplasia Punctata
  • Chondrocalcinosis
  • Cleidocranial Dysplasia
  • Crouzon Syndrome
  • Congenital Pseudoarthrosis
  • Chondrosarcoma
  • Chronic Recurrent Multifocal Osteomyelitis
  • Charcot Joint Disease
  • Calcaneal Spur

Eye Diseases That Start With C

  • Cataracts
  • Conjunctivitis
  • Chalazion
  • Corneal Ulcer
  • Cytomegalovirus Retinitis
  • Central Retinal Vein Occlusion
  • Central Retinal Artery Occlusion
  • Conjunctival Hemorrhage
  • Color Blindness
  • Coats’ Disease
  • Corneal Dystrophy
  • Corneal Ectasia
  • Coloboma
  • Cortical Visual Impairment
  • Cranial Nerve Palsy

Ear Diseases That Start With C

  • Cholesteatoma
  • Conductive Hearing Loss
  • Cerumen Impaction
  • Chronic Otitis Media
  • Cauliflower Ear
  • Central Auditory Processing Disorder
  • Cogan’s Syndrome
  • Congenital Aural Atresia
  • Congenital Deafness
  • Cochlear Hydrops
  • Congenital Cholesteatoma
  • Cystic Hygroma
  • Cerebellopontine Angle Tumor
  • Craniofacial Microsomia
  • Cervicogenic Dizziness

Hand Diseases That Start With C

  • Carpal Tunnel Syndrome
  • Cubital Tunnel Syndrome
  • Complex Regional Pain Syndrome
  • Claw Hand
  • Congenital Hand Deformities
  • Camptodactyly
  • Calcific Tendonitis
  • Collagen Vascular Disease
  • Carpal Instability
  • Cutaneous Horns
  • Cellulitis of the Hand
  • Cystic Lesions of the Hand
  • Chondrosarcoma of the Hand
  • Congenital Trigger Thumb
  • Cracked Heels

Lung Diseases That Start With C

  • Chronic Obstructive Pulmonary Disease (COPD)
  • Cystic Fibrosis
  • Chronic Bronchitis
  • Coccidioidomycosis
  • Cryptogenic Organizing Pneumonia
  • Churg-Strauss Syndrome
  • Chronic Eosinophilic Pneumonia
  • Cystic Lung Disease
  • Congenital Lobar Emphysema
  • Chronic Respiratory Distress Syndrome
  • Cavitary Pulmonary Tuberculosis
  • Chlamydia Pneumonia
  • Coal Worker’s Pneumoconiosis
  • Chronic Pulmonary Aspergillosis
  • Cryptococcal Pneumonia

Liver Diseases That Start With C

  • Cirrhosis
  • Chronic Hepatitis
  • Cholangitis
  • Cholestasis
  • Cholecystitis
  • Cystic Fibrosis-related Liver Disease
  • Caroli Disease
  • Congenital Hepatic Fibrosis
  • Cryptogenic Cirrhosis
  • Cholangiocarcinoma
  • Chronic Budd-Chiari Syndrome
  • Crigler-Najjar Syndrome
  • Congenital Liver Cysts
  • Cholelithiasis
  • Cholestatic Jaundice

Heart Diseases That Start With C

  • Coronary Artery Disease
  • Congestive Heart Failure
  • Cardiomyopathy
  • Congenital Heart Disease
  • Cardiac Arrhythmias
  • Chronic Ischemic Heart Disease
  • Constrictive Pericarditis
  • Cardiac Tamponade
  • Carcinoid Heart Disease
  • Chagas Cardiomyopathy
  • Cardiac Amyloidosis
  • Cardiac Sarcoidosis
  • Cardiac Syndrome X
  • Catecholaminergic Polymorphic Ventricular Tachycardia
  • Chronic Rheumatic Heart Disease

Skin Diseases That Start With C

  • Cellulitis
  • Contact Dermatitis
  • Cutaneous T-cell Lymphoma
  • Cold Urticaria
  • Congenital Melanocytic Nevus
  • Cherry Angioma
  • Chilblains
  • Cutis Laxa
  • Cutaneous Lupus Erythematosus
  • Carbuncle
  • Cystic Acne
  • CafĂ©-au-lait Spots
  • Congenital Ichthyosiform Erythroderma
  • Corns and Calluses
  • Congenital Syphilis

Bacterial Infections That Start With C

  • Cholera
  • Chlamydia
  • Campylobacteriosis
  • Clostridium Difficile Infection
  • Cellulitis
  • Cat Scratch Disease
  • Chancroid
  • Cutaneous Anthrax
  • Carbuncles
  • Cervicitis
  • Congenital Syphilis
  • Cervical Lymphadenitis
  • Chronic Bacterial Prostatitis
  • Corynebacterium Infection
  • Chlamydophila Pneumonia

Stay engaged as we dive into the world of diseases affecting our beloved pets in the next section. Whether you’re a dog or cat owner, this information is crucial for understanding the health challenges your furry friends might face.

Dog Diseases That Start With C

  • Canine Parvovirus
  • Canine Distemper
  • Canine Hepatitis
  • Cushing’s Disease
  • Canine Influenza
  • Canine Herpesvirus
  • Cryptorchidism
  • Canine Leptospirosis
  • Canine Lyme Disease
  • Canine Osteosarcoma
  • Canine Pancreatitis
  • Canine Parainfluenza
  • Congestive Heart Failure
  • Cutaneous Masses
  • Canine Mast Cell Tumors

Cat Diseases That Start With C

  • Cat Scratch Disease
  • Chronic Kidney Disease
  • Conjunctivitis
  • Cryptococcosis
  • Chlamydophila Felis
  • Calicivirus
  • Cystitis
  • Cardiomyopathy
  • Chylothorax
  • Corneal Ulcers
  • Congenital Anomalies
  • Cerebellar Hypoplasia
  • Cushing’s Disease
  • Cutaneous Lymphoma
  • Coccidiosis

diiseases that start with c