Welcome to our comprehensive exploration of diseases that begin with the letter ‘H’. In this journey, we’ll delve into a wide array of illnesses affecting various parts of the body and beings – from blood, bone, and eyes to mental, lung, and skin diseases.
We’ll also cover conditions affecting our beloved pets, dogs, and cats. Additionally, we’ll discuss deadly, rare, autoimmune diseases, and other bacterial infections. Stay tuned as we unveil a world of ailments, some well-known and others less so, but all starting with ‘H’.
Top 100 Diseases that Start with H
- Haemophilus Influenzae Type B Infection: Bacterial infection
- Hairy Cell Leukemia: Rare blood cancer
- Hallux Valgus: Bunion formation
- Hansen’s Disease (Leprosy): Chronic bacterial disease
- Hantavirus Pulmonary Syndrome: Severe respiratory disease
- Hantavirus: Rodent-borne viral disease
- Harlequin Ichthyosis: Severe skin disorder
- Hashimoto’s Thyroiditis: Autoimmune thyroiditis
- Helicobacter Pylori Infection: Stomach bacterium
- Helminthiasis: Parasitic worm infection
- Hemangioblastoma: Brain/spinal cord tumor
- Hemangioma: Benign vascular tumor
- Hemangiopericytoma: Vascular tumor
- Hemiballismus: Involuntary limb movements
- Hemifacial Spasm: Involuntary facial twitch
- Hemiplegia: One-sided paralysis
- Hemochromatosis: Iron overload disorder
- Hemolytic Anemia: Red blood cell destruction
- Hemolytic Uremic Syndrome: Kidney injury
- Hemophilia: Blood clotting disorder
- Hemorrhagic Fever: Severe viral infection
- Hemorrhagic Stroke: Brain bleed
- Hemorrhoids: Swollen rectal veins
- Henoch-Schönlein Purpura: Blood vessel inflammation
- Hepatic Cirrhosis: Liver scarring
- Hepatic Cyst: Liver cyst
- Hepatic Encephalopathy: Liver-related brain dysfunction
- Hepatic Fibrosis: Liver fibrosis
- Hepatic Hemangioma: Liver blood vessel tumor
- Hepatic Steatosis: Fatty liver disease
- Hepatic Veno-occlusive Disease: Liver blood vessel blockage
- Hepatitis Autoimmune: Liver autoimmune disease
- Hepatopulmonary Syndrome: Liver-induced lung disorder
- Hepatitis Fulminant: Rapid liver failure
- Hepatitis Neonatal: Newborn liver inflammation
- Hepatitis: Inflammation of the liver
- Hepatocellular Carcinoma: Liver cancer
- Hepatorenal Syndrome: Kidney failure due to liver disease
- Hereditary Angioedema: Swelling disorder
- Hereditary Coproporphyria: Metabolic disorder
- Hereditary Fructose Intolerance: Fructose digestion issue
- Hereditary Hemorrhagic Telangiectasia: Blood vessel disorder
- Hereditary Neuropathy: Nerve disorder
- Hereditary Spherocytosis: Abnormal red blood cells
- Hereditary Tyrosinemia: Metabolic disorder
- Hernia: Organ protrusion through muscle
- Herpangina: Viral mouth sores
- Herpes: Viral skin blisters
- Heterotaxy Syndrome: Organ arrangement abnormality
- Hirschsprung Disease: Bowel movement disorder
- Hirschsprung-associated Enterocolitis: Inflammation in bowel disease
- Histiocytoma: Benign skin tumor
- Histiocytosis: Immune cell disorder
- Histrionic Personality Disorder: Attention-seeking behavior
- Hives: Itchy skin welts
- Hodgkin’s Lymphoma: A type of cancer
- Holoprosencephaly: Forebrain development disorder
- Huntington’s Disease: Genetic brain disorder
- Hurler Syndrome: Genetic enzyme deficiency
- Hyaline Membrane Disease: Newborn lung disorder
- Hydrocephalus: Fluid in the brain
- Hydronephrosis: Swollen kidney
- Hyper IgM Syndrome: Immune deficiency
- Hyperbilirubinemia: High bilirubin levels
- Hypercalcemia: High calcium levels
- Hyperhidrosis: Excessive sweating
- Hyperkalemia: High potassium levels
- Hyperlipidemia: High lipid levels
- Hypernatremia: High sodium levels
- Hyperoxaluria: Excessive urinary oxalate
- Hyperparathyroidism: Overactive parathyroid glands
- Hyperpituitarism: Excessive pituitary hormone production
- Hypersensitivity Pneumonitis: Lung inflammation
- Hypersensitivity Vasculitis: Blood vessel inflammation
- Hypersomnia: Excessive sleepiness
- Hypertension: High blood pressure
- Hypertensive Heart Disease: High blood pressure-related heart disease
- Hypertensive Nephropathy: Kidney damage from high blood pressure
- Hypertensive Retinopathy: Eye damage from high blood pressure
- Hyperthyroidism: Overactive thyroid gland
- Hypertrophic Cardiomyopathy: Thickened heart muscle
- Hyperuricemia: High uric acid
- Hypocalcemia: Low calcium levels
- Hypocalciuric Hypercalcemia: Elevated blood calcium
- Hypochondriasis: Excessive health anxiety
- Hypogammaglobulinemia: Low antibody levels
- Hypoglycemia: Low blood sugar
- Hypogonadism: Reduced sex hormone production
- Hypokalemia: Low potassium levels
- Hypokalemic Periodic Paralysis: Muscle weakness
- Hyponatremia: Low sodium levels
- Hypoparathyroidism: Low parathyroid hormone
- Hypoplasia: Underdeveloped tissue/organ
- Hypoplastic Left Heart Syndrome: Heart defect
- Hypospadias: Abnormal urethra opening
- Hypothalamic Disease: Hypothalamus gland disorder
- Hypothyroidism: Underactive thyroid gland
- Hypoventilation Syndrome: Inadequate breathing
- Hypovolemic Shock: Severe blood/fluid loss
- Hypoxic-Ischemic Encephalopathy: Brain damage from oxygen loss
Also, Check:
Medical Terms That Start With H
Fitness Words That Start With H
Rare Diseases That Start With H
- Harlequin Ichthyosis
- Hurler Syndrome
- Holoprosencephaly
- Hemangiopericytoma
- Heterotaxy Syndrome
- Hereditary Fructose Intolerance
- Hereditary Hemorrhagic Telangiectasia
- Hyaline Membrane Disease
- Hemolytic Uremic Syndrome
- Hereditary Neuropathy
- Hyper IgM Syndrome
- Hemangioblastoma
- Herpangina
- Hepatitis Fulminant
- Hereditary Tyrosinemia
These rare diseases highlight the vast and complex world of health disorders. Each of these conditions presents unique challenges and underscores the importance of medical research and patient support.
Deadly Diseases That Start With H
- Hodgkin’s Lymphoma
- Hantavirus
- Hepatocellular Carcinoma
- Hemorrhagic Fever
- Hansen’s Disease (Leprosy)
- Hemorrhagic Stroke
- Hypovolemic Shock
- Hepatic Veno-occlusive Disease
- Hepatitis Fulminant
Explore More Diseases Starting With:
A – B – C – D – E – F – G – H – I – J – K – L – M – N – O – P – Q – R – S – T – U – V – W – X – Y – Z
The severity and impact of these deadly diseases remind us of the fragility of human health and the critical need for effective treatments and preventive measures.
Other Diseases Beginning With H (Divided By Type)
Autoimmune Diseases That Start With H
- Hashimoto’s Thyroiditis
- Hepatitis Autoimmune
- Hereditary Angioedema
- Henoch-Schönlein Purpura
- Hypophysitis
- Hidradenitis Suppurativa
- Hypocomplementemic Urticarial Vasculitis
- Hypogammaglobulinemia
- Hyper IgM Syndrome
- Hughes Syndrome (Antiphospholipid Syndrome)
- Hemolytic Anemia, Autoimmune
- Horton’s Disease (Giant Cell Arteritis)
- Harada’s Disease
- Hughes-Stovin Syndrome
- Hashimoto’s Encephalopathy
Blood Diseases That Start With H
- Hemophilia
- Hemolytic Anemia
- Heparin-Induced Thrombocytopenia
- Hypereosinophilic Syndrome
- Hereditary Spherocytosis
- Hemochromatosis
- Hemoglobinopathies
- Hemolytic Disease of the Newborn
- Hemolytic Uremic Syndrome
- Hemophilia B
- Histiocytosis
- Hemoglobin H Disease
- Hemoglobin SC Disease
- Hemoglobin C Disease
- Hypoplastic Anemia
Bone Diseases That Start With H
- Hallux Valgus (Bunions)
- Hip Dysplasia
- Hyperostosis
- Hypophosphatasia
- Histiocytosis
- Hypophosphatemic Rickets
- Hyperparathyroidism
- Hurler Syndrome
- Holt-Oram Syndrome
- Hypochondroplasia
- Hereditary Multiple Exostoses
- Hemangioma of Bone
- Hypertrophic Osteoarthropathy
- Hypercalcemia of Malignancy
- Heterotopic Ossification
Eye Diseases That Start With H
- Hyperopia (Farsightedness)
- Hypertensive Retinopathy
- Herpes Simplex Keratitis
- Hereditary Retinoblastoma
- Hordeolum (Stye)
- Hyphema
- Hypotony
- Heterochromia Iridis
- Hypermetropia
- Holoprosencephaly
- Hallermann-Streiff Syndrome
- Heerfordt’s Syndrome
- Hemianopsia
- Homocystinuria
- Hypertelorism
Ear Diseases That Start With H
- Hearing Loss
- Hyperacusis (sensitivity to sound)
- Hemotympanum
- Herpes Zoster Oticus
- Hemifacial Spasm
- Hyperbaric Oxygen Toxicity
- Hairy Cell Leukemia (affecting the ear)
- Heerfordt’s Syndrome
- Hemangioma of the External Ear
- Hereditary Hearing Loss
- High Altitude Cerebral Edema
- Hyperemia of the Ear Drum
- Hypoglossal Nerve Palsy
- Hypertrophic Pachymeningitis
- Hyperostosis Frontalis Interna
Hand Diseases That Start With H
- Hand, Foot, and Mouth Disease
- Herpetic Whitlow
- Hyperhidrosis (excessive sweating of hands)
- Heberden’s Nodes (osteoarthritis)
- Hemangioma of Hand
- Hypothenar Hammer Syndrome
- Hand-Arm Vibration Syndrome
- Hypertrophic Osteoarthropathy
- Hirschsprung’s Disease (affecting hands)
- Hematoma (in hands)
- Hyperemia (of hand skin)
- Hyperkeratosis (of palms)
- Hypoplastic Thumbs
- Hypertrophic Scars (on hands)
- Hereditary Neuropathy with Liability to Pressure Palsies (HNPP)
Lung Diseases That Start With H
- Hay Fever (Allergic Rhinitis)
- Hantavirus Pulmonary Syndrome
- Hypersensitivity Pneumonitis
- Hyperinflation (of the lungs)
- Hypoventilation Syndrome
- Hemoptysis (coughing up blood)
- Hemothorax
- Hamman-Rich Syndrome (Acute Interstitial Pneumonia)
- Hypoxemic Respiratory Failure
- Hypoxic-Ischemic Encephalopathy
- Hyperpnea
- Hypoplastic Left Heart Syndrome
- Histoplasmosis
- Honeycomb Lung
- Hypertensive Pulmonary Vascular Disease
Liver Diseases That Start With H
- Hepatitis (A, B, C, D, E)
- Hepatic Cirrhosis
- Hepatocellular Carcinoma
- Hemochromatosis (Liver Iron Overload)
- Hepatic Encephalopathy
- Hepatomegaly (Liver Enlargement)
- Hepatic Steatosis (Fatty Liver)
- Hepatic Fibrosis
- Hepatic Hemangioma
- Hepatitis Autoimmune
- Hepatopulmonary Syndrome
- Hepatic Cyst
- Hepatorenal Syndrome
- Hereditary Tyrosinemia
- Hyperbilirubinemia
Heart Diseases That Start With H
- Hypertensive Heart Disease
- Heart Failure
- Hypertrophic Cardiomyopathy
- Heart Arrhythmia
- Heart Murmur
- Hyperlipidemia (affecting the heart)
- Heart Valve Disease
- Hypoplastic Left Heart Syndrome
- Heart Block
- Hypercholesterolemia (affecting the heart)
- Hypoxemic Respiratory Failure (affecting the heart)
- Hemopericardium
- Hypertensive Cardiovascular Disease
- Hereditary Hemorrhagic Telangiectasia (affecting the heart)
- Hyperhomocysteinemia (affecting the heart)
Skin Diseases That Start With H
- Herpes Simplex
- Hives (Urticaria)
- Hyperhidrosis
- Herpes Zoster (Shingles)
- Hidradenitis Suppurativa
- Hemangioma
- Hyperpigmentation
- Hypopigmentation
- Harlequin Ichthyosis
- Hypohidrosis
- Hyperkeratosis
- Hair Loss (Alopecia)
- Hand, Foot, and Mouth Disease (affecting skin)
- Hypertrichosis
- Hypertrophic Scars
Bacterial Infections That Start With H
- Helicobacter Pylori Infection
- Hansen’s Disease (Leprosy)
- Hemophilus Influenzae Type B Infection
- Haemophilus Ducreyi Infection (Chancroid)
- Hidradenitis Suppurativa (can be bacterial)
- H. Pylori-associated Gastritis
- Hemorrhagic Colitis (due to E. coli)
- HACEK Group Infections
- Hemolytic Uremic Syndrome (often bacterial)
- Hospital-acquired Infections
- Helicobacter Heilmannii Gastritis
- Hemorrhagic Fever (some bacterial causes)
- Hyperacute Bacterial Endocarditis
- Hemophilus Vaginalis Infection
- Hemolytic Streptococcal Gangrene
So, The lists below encompass a range of diseases that specifically affect dogs and cats, highlighting the varied health challenges faced by our canine and feline companions. Understanding these diseases is crucial for pet owners and veterinarians alike, as it aids in early detection, treatment, and overall care for these animals.
Dog Diseases That Start With H
- Hip Dysplasia
- Heartworm
- Hepatitis (Infectious Canine Hepatitis)
- Hemangiosarcoma
- Hookworm
- Hypothyroidism
- Heart Disease (various forms)
- Hypoadrenocorticism (Addison’s Disease)
- Hydrocephalus
- Hemophilia
- Histiocytoma (Canine Cutaneous Histiocytoma)
- Hyperadrenocorticism (Cushing’s Disease)
- Hypoglycemia
- Hepatic Lipidosis
- Hemorrhagic Gastroenteritis
Cat Diseases That Start With H
- Hyperthyroidism
- Heart Disease (various forms, including Hypertrophic Cardiomyopathy)
- Hepatic Lipidosis
- Hookworm
- Hemangiosarcoma
- Hypertrophic Cardiomyopathy
- Herpes Virus Infection (Feline Viral Rhinotracheitis)
- Hemobartonellosis (Mycoplasma Haemofelis)
- Hypocalcemia
- Hypokalemia
- Hypotrichosis
- Hypertension
- Hyperesthesia Syndrome
- Hepatitis
- Hemophilia
