Search
SectionsIndex
  • Birds
  • Cat Basics
  • Cat Disorders and Diseases
  • Dog Basics
  • Dog Disorders and Diseases
  • Exotic Pets
  • Glossary
  • Horse Basics
  • Horse Disorders and Diseases
  • Special Subjects
ABCDEFGHI
JKLMNOPQR
STUVWXYZ
Resources
  • About The Merck Manual of Pet Health
  • Emergencies
  • Traveling with Pets
  • The Human-Animal Bond
Index
h1h2hahehihohuhy
Type in the first few letters of a word to get there faster:
Go

He

Head injuries

  • of horses

  • Emergency Care for Horses: Head Injuries

    Head tilt

  • in rats

  • Routine Health Care of Rats: Signs of Illness

    Health

  • benefits of pet ownership

  • Health Benefits of Pet Ownership

  • and human-animal bond

  • Health and the Human-Animal Bond

    Hearing

  • of birds

  • Description and Physical Characteristics of Birds: Hearing

  • of cats

  • Description and Physical Characteristics of Cats: Hearing

  • of dogs

  • Description and Physical Characteristics of Dogs: Hearing

  • of horses

  • Description and Physical Characteristics of Horses: Hearing

    Heart and blood vessel disorders

  • in cats

  • Heart and Blood Vessel Disorders of Cats

  • atrial septal defects

  • Congenital and Inherited Disorders of the Cardiovascular System in Cats: Atrial and Ventricular Septal Defects

  • atrial standstill

  • Acquired Heart and Blood Vessel Disorders in Cats: Other Causes of Heart Muscle Failure

  • blood clots

  • Blood Clots and Aneurysms in Cats

  • blood vessel disorders

  • Blood Clots and Aneurysms in Cats

  • cardiomyopathy

  • Acquired Heart and Blood Vessel Disorders in Cats: Disorders of the Heart Muscle (Cardiomyopathy)

  • congenital abnormalities

  • Congenital and Inherited Disorders of the Cardiovascular System in Cats

  • cor triatriatum sinister

  • Congenital and Inherited Disorders of the Cardiovascular System in Cats: Cor Triatriatum Sinister

  • degenerative valve disease

  • Acquired Heart and Blood Vessel Disorders in Cats: Degenerative Valve Disease

  • endocardial fibroelastosis

  • Congenital and Inherited Disorders of the Cardiovascular System in Cats: Endocardial Fibroelastosis

  • heart failure

  • Heart Failure in Cats

  • heartworm disease

  • Heartworm Disease in Cats

  • infective endocarditis

  • Acquired Heart and Blood Vessel Disorders in Cats: Infective Endocarditis

  • mitral valve dysplasia

  • Congenital and Inherited Disorders of the Cardiovascular System in Cats: Mitral and Triscuspid Valve Dysplasia

  • pericardial disease

  • Acquired Heart and Blood Vessel Disorders in Cats: Pericardial Disease

  • pulmonic stenosis

  • Congenital and Inherited Disorders of the Cardiovascular System in Cats: Pulmonic Stenosis

  • tetralogy of Fallot

  • Congenital and Inherited Disorders of the Cardiovascular System in Cats: Tetralogy of Fallot

  • tricuspid valve dysplasia

  • Congenital and Inherited Disorders of the Cardiovascular System in Cats: Mitral and Triscuspid Valve Dysplasia

  • ventricular septal defects

  • Congenital and Inherited Disorders of the Cardiovascular System in Cats: Atrial and Ventricular Septal Defects

  • in chinchillas

  • Disorders and Diseases of Chinchillas: Heart and Blood Vessel Disorders

  • in dogs

  • Heart and Blood Vessel Disorders of Dogs
    Heart and Blood Vessel Disorders of Dogs

  • aneurysm

  • Blood Clots and Aneurysms in Dogs

  • aortic stenosis

  • Congenital and Inherited Disorders of the Cardiovascular System in Dogs: Aortic Stenosis

  • atrial septal defects

  • Congenital and Inherited Disorders of the Cardiovascular System in Dogs: Atrial Septal Defects

  • atrial standstill

  • Acquired Heart and Blood Vessel Disorders in Dogs: Other Causes of Heart Muscle Failure
    Acquired Heart and Blood Vessel Disorders in Dogs: Other Causes of Heart Muscle Failure

  • cardiac tamponade

  • Acquired Heart and Blood Vessel Disorders in Dogs: Pericardial Disease
    Acquired Heart and Blood Vessel Disorders in Dogs: Pericardial Disease

  • congenital abnormalities

  • Congenital and Inherited Disorders of the Cardiovascular System in Dogs

  • cor triatriatum dexter

  • Congenital and Inherited Disorders of the Cardiovascular System in Dogs: Cor Triatriatum Dexter

  • degenerative valve disease

  • Acquired Heart and Blood Vessel Disorders in Dogs: Degenerative Valve Disease
    Acquired Heart and Blood Vessel Disorders in Dogs: Degenerative Valve Disease

  • dilated cardiomyopathy

  • Acquired Heart and Blood Vessel Disorders in Dogs: Disorders of the Heart Muscle (Cardiomyopathy)
    Acquired Heart and Blood Vessel Disorders in Dogs: Disorders of the Heart Muscle (Cardiomyopathy)

  • endocardial fibroelastosis

  • Acquired Heart and Blood Vessel Disorders in Dogs: Other Causes of Heart Muscle Failure
    Acquired Heart and Blood Vessel Disorders in Dogs: Other Causes of Heart Muscle Failure

  • heart failure

  • Heart Failure in Dogs
    Heart Failure in Dogs

  • heartworm disease

  • Heartworm Disease in Dogs
    Heartworm Disease in Dogs

  • infective endocarditis

  • Acquired Heart and Blood Vessel Disorders in Dogs: Infective Endocarditis
    Acquired Heart and Blood Vessel Disorders in Dogs: Infective Endocarditis

  • mitral stenosis

  • Congenital and Inherited Disorders of the Cardiovascular System in Dogs: Mitral Stenosis

  • mitral valve dysplasia

  • Congenital and Inherited Disorders of the Cardiovascular System in Dogs: Mitral Valve Dysplasia

  • myocarditis

  • Acquired Heart and Blood Vessel Disorders in Dogs: Myocarditis
    Acquired Heart and Blood Vessel Disorders in Dogs: Myocarditis

  • pericardial disease

  • Acquired Heart and Blood Vessel Disorders in Dogs: Pericardial Disease
    Acquired Heart and Blood Vessel Disorders in Dogs: Pericardial Disease

  • persistent right aortic arch

  • Congenital and Inherited Disorders of the Cardiovascular System in Dogs: Persistent Right Aortic Arch

  • pulmonic stenosis

  • Congenital and Inherited Disorders of the Cardiovascular System in Dogs: Pulmonic Stenosis

  • signs of

  • Diagnosis of Cardiovascular Disease in Dogs: General Signs of Cardiovascular Disease
    Diagnosis of Cardiovascular Disease in Dogs: General Signs of Cardiovascular Disease

  • tetralogy of Fallot

  • Congenital and Inherited Disorders of the Cardiovascular System in Dogs: Tetralogy of Fallot

  • tricuspid dysplasia

  • Congenital and Inherited Disorders of the Cardiovascular System in Dogs: Tricuspid Dysplasia

  • ventricular septal defects

  • Congenital and Inherited Disorders of the Cardiovascular System in Dogs: Ventricular Septal Defects

  • drugs for

  • Commonly Used Cardiovascular Drugs*Tables
    Drugs Used to Treat Heart and Blood Vessel Disorders: Positive Inotropes

  • in horses

  • Heart and Blood Vessel Disorders of Horses

  • aneurysms

  • Blood Clots and Aneurysms in Horses

  • blood clots

  • Blood Clots and Aneurysms in Horses

  • congenital abnormalities

  • Congenital and Inherited Disorders of the Cardiovascular System in Horses

  • degenerative valve disease

  • Acquired Heart and Blood Vessel Disorders in Horses: Degenerative Valve Disease

  • heart failure

  • Heart Failure in Horses

  • infective endocarditis

  • Acquired Heart and Blood Vessel Disorders in Horses: Infective Endocarditis

  • myocarditis

  • Acquired Heart and Blood Vessel Disorders in Horses: Myocarditis

  • pericardial disease

  • Acquired Heart and Blood Vessel Disorders in Horses: Pericardial Disease

  • pericarditis

  • Acquired Heart and Blood Vessel Disorders in Horses: Pericardial Disease

  • signs of

  • Diagnosis of Cardiovascular Disease in Horses: General Signs of Cardiovascular Disease

  • tetralogy of Fallot

  • Congenital and Inherited Disorders of the Cardiovascular System in Horses: Tetralogy of Fallot

  • tricuspid dysplasia

  • Congenital and Inherited Disorders of the Cardiovascular System in Horses: Tricuspid Dysplasia (Atresia)

  • ventricular septal defects

  • Congenital and Inherited Disorders of the Cardiovascular System in Horses: Ventricular Septal Defects

  • incidence of

  • Heart Disease and Heart Failure in Dogs

    Heart failure

  • in cats

  • Heart Failure in Cats

  • in dogs

  • Heart Failure in Dogs

  • drugs for

  • Treatment of Cardiovascular Disease in Dogs: Common Types of Drugs for Cardiovascular Disease

  • in horses

  • Heart Failure in Horses

  • types of

  • Heart Failure in Dogs: Types of Heart Failure

    Heart murmurs

  • in cats

  • Heart and Blood Vessel Disorders of Cats: Heart Sounds and Murmurs

  • in chinchillas

  • Disorders and Diseases of Chinchillas: Heart and Blood Vessel Disorders

  • in dogs

  • Heart and Blood Vessel Disorders of Dogs: Heart Sounds and Murmurs

  • in horses

  • Heart and Blood Vessel Disorders of Horses: Heart Sounds and Murmurs

    Heart rate

  • and blood pressure

  • Heart and Blood Vessel Disorders of Dogs: Heart Rate

  • in cats

  • Heart and Blood Vessel Disorders of Cats: Heart Rate

  • in dogs

  • Heart and Blood Vessel Disorders of Dogs: Heart Rate

  • in horses

  • Heart and Blood Vessel Disorders of Horses: Heart Rate

    Heartworms

    List of ZoonosesTables

  • in cats

  • Common Parasites of CatsTables
    Routine Care and Breeding of Cats: Parasite Control
    Heartworm Disease in Cats

  • in dogs

  • Routine Care and Breeding of Dogs: Parasite Control
    Heartworm Disease in Dogs

  • drugs for prevention of

  • Drugs Used to Treat Heart and Blood Vessel Disorders: Drugs Used for Prevention and Treatment of Heartworms

  • drugs for treatment of

  • Drugs Used to Treat Heart and Blood Vessel Disorders: Drugs Used for Prevention and Treatment of Heartworms

  • in ferrets

  • Infectious Diseases of Ferrets: Parasites

  • pneumonitis from

  • in cats

  • Allergic Pneumonitis in Cats

  • in dogs

  • Allergic Pneumonitis in Dogs

    Heat sources

  • for reptiles

  • Providing a Home for a Reptile: Temperature

    Heat stress

  • in chinchillas

  • Disorders and Diseases of Chinchillas: Heat Stress

  • in horses

  • Providing a Home for a Horse: Housing
    Using the Comfort Index to Avoid Summertime Heat StressTables

  • in potbellied pigs

  • Disorders and Diseases of Potbellied Pigs: Overheating

  • in rabbits

  • Special Considerations for Rabbits
    Disorders and Diseases of Rabbits: Heat Exhaustion

    Heat stroke

  • in chinchillas

  • Special Considerations for Chinchillas

  • in dogs

  • Description and Physical Characteristics of Dogs: Temperature Regulation

  • emergencies

  • Emergency Care for Dogs and Cats: What to Do at the Scene and Transport

  • in horses

  • Emergency Care for Horses: Heat Stroke

    Heaves

    Recurrent Airway Obstruction (Heaves) in Horses

    Heel

  • contracted

  • in horses

  • Disorders of the Foot in Horses: Contracted Heels

  • sheared

  • in horses

  • Disorders of the Foot in Horses: Sheared Heels

    Heel crack

  • in horses

  • Disorders of the Foot in Horses: Sandcrack (Toe Crack, Quarter Crack, Heel Crack)

    Helicobacter infection

  • in dogs

  • Disorders Caused by Bacteria in the Digestive System of Dogs: Helicobacter Infection

    Helicobacter mustelae infection

  • in ferrets

  • Infectious Diseases of Ferrets: Bacterial Diseases

    Hemangiomas

  • in cats

  • Tumors of the Skin in Cats: Blood Vessel Tumors

  • in dogs

  • Tumors of the Skin in Dogs: Blood Vessel Tumors

  • in horses

  • Tumors of the Skin in Horses: Vascular Tumors

    Hemangiopericytomas

  • in dogs

  • Tumors of the Skin in Dogs: Blood Vessel Tumors

    Hematinic drugs

    Drugs Used to Treat Heart and Blood Vessel Disorders: Hematinics

    Hematologic tests

    Types of Veterinary Medical Tests: Hematology

    Hematoma

  • of the ear

  • in cats

  • Disorders of the Outer Ear in Cats: Ear Hematomas

  • in dogs

  • Disorders of the Outer Ear in Dogs: Ear Hematomas

  • ethmoid

  • in horses

  • Disorders of the Paranasal Sinuses in Horses: Ethmoid Hematoma

    Hemobartonellosis

  • in cats

  • Blood Parasites of Cats: Feline Infectious Anemia (Hemobartonellosis)

    Hemochromatosis

  • in horses

  • Disorders of the Liver in Horses: Hemochromatosis

    Hemoglobin

    Drugs Used to Treat Heart and Blood Vessel Disorders: Hematinics

    Hemolysis

  • alloimmune

  • in dogs

  • Anemia in Dogs: Alloimmune Hemolysis

  • microangiopathic

  • in dogs

  • Anemia in Dogs: Microangiopathic Hemolysis

    Hemolytic anemia

  • in cats

  • Anemia in Cats: Regenerative Anemias

  • in dogs

  • Anemia in Dogs: Hemolytic Anemia

    Hemophilia

  • in cats

  • Bleeding Disorders of Cats: Congenital Clotting Protein Disorders

  • in dogs

  • Bleeding Disorders of Dogs: Congenital Clotting Protein Disorders

  • in horses

  • Bleeding Disorders of Horses: Congenital Clotting Protein Disorders

    Hemorrhage

    see also Bleeding
    Eye Emergencies: Bleeding in the Eye

    Hemorrhagic fever

    List of ZoonosesTables
    List of ZoonosesTables
    List of ZoonosesTables
    List of ZoonosesTables

    Hemorrhagic gastroenteritis

  • in dogs

  • Disorders of the Stomach and Intestines in Dogs: Hemorrhagic Gastroenteritis

    Hemostatic drugs

    Drugs Used to Treat Heart and Blood Vessel Disorders: Hemostatics

    Hemothorax

  • in cats

  • Accumulation of Fluid or Air in the Chest Cavity of Cats

  • in dogs

  • Accumulation of Fluid or Air in the Chest Cavity in Dogs

  • in horses

  • Accumulation of Fluid or Air in the Chest Cavity of Horses

    Hendra virus infection

    List of ZoonosesTables

  • in horses

  • Equine Morbillivirus Pneumonia (Hendra Virus Infection)
    Equine Morbillivirus Pneumonia (or Hendra Virus Infection)

    Hepatic amyloidosis

  • in cats

  • Disorders of the Liver and Gallbladder in Cats: Hepatic Amyloidosis

  • in dogs

  • Disorders of the Liver and Gallbladder in Dogs: Hepatic Amyloidosis

    Hepatic coccidiosis

  • in rabbits

  • Disorders and Diseases of Rabbits: Intestinal Diseases

    Hepatic cysts

  • in cats

  • Congenital and Inherited Disorders of the Digestive System in Cats: Liver

  • in dogs

  • Congenital and Inherited Disorders of the Digestive System of Dogs: Liver

  • in horses

  • Congenital and Inherited Disorders of the Digestive System in Horses: Liver

    Hepatic encephalopathy

  • in cats

  • Disorders of the Liver and Gallbladder in Cats

  • in dogs

  • Disorders of the Liver and Gallbladder in Dogs: Hepatic Encephalopathy
    Congenital and Inherited Disorders of the Nervous System in Dogs: Forebrain Disorders

  • in horses

  • Disorders of the Liver in Horses: Signs of Liver Insufficiency

    Hepatic lipidosis

  • in cats

  • Disorders of the Liver and Gallbladder in Cats: Hepatic Lipidosis

  • in horses

  • Disorders of the Liver in Horses: Hyperlipemia and Hepatic Lipidosis

    Hepatitis

  • in cats

  • lymphocytic portal

  • Disorders of the Liver and Gallbladder in Cats: Lymphocytic Portal Hepatitis

  • in dogs

  • chronic

  • Disorders of the Liver and Gallbladder in Dogs: Canine Chronic Hepatitis

  • infectious

  • Infectious Canine Hepatitis

  • vaccination

  • Routine Care and Breeding of Dogs: VaccinationsTables

  • in horses

  • acute

  • Disorders of the Liver in Horses: Acute Hepatitis (Short-term Liver Inflammation)

  • chronic active

  • Disorders of the Liver in Horses: Chronic Active Hepatitis

  • infectious necrotic

  • Infectious Necrotic Hepatitis (Black Disease) in Horses

    Hepatitis E

    List of ZoonosesTables

    Hepatocutaneous syndrome

  • in cats

  • Disorders of the Liver and Gallbladder in Cats: Hepatocutaneous Syndrome

    Hepatoid tumors

  • in dogs

  • Tumors of the Skin in Dogs: Perianal (Hepatoid) Gland Tumors

    Hepatozoonosis

  • in cats

  • Blood Parasites of Cats: Hepatozoonosis

  • in dogs

  • Blood Parasites of Dogs: Hepatozoonosis

    Herbal supplements

  • in pain management

  • Complementary and Alternative Therapies for Pain

  • poisoning from

  • Poisoning from Human Over-the-Counter Drugs: Nutritional Supplements

    Herbicide poisoning

    Herbicide Poisoning

    Hereditary deafness

    see Deafness

    Hereditary equine regional dermal asthenia (HERD)

    Congenital and Inherited Skin Disorders in Horses: Defects of Structural Integrity

    Heredity

  • and cancer

  • Causes of Cancer: Family History and Genetic Factors

    Hernia

  • in cats

  • Congenital and Inherited Disorders of the Digestive System in Cats: Hernias
    Diaphragmatic Hernia in Cats

  • in dogs

  • Congenital and Inherited Disorders of the Digestive System of Dogs: Hernias
    Types of HerniasTables
    Disorders of the Rectum and Anus in Dogs: Perineal Hernia
    Diaphragmatic Hernia in Dogs

  • in horses

  • Congenital and Inherited Disorders of the Digestive System in Horses: Hernias
    Diaphragmatic Hernia in Horses

    Herpes B virus disease

    List of ZoonosesTables

    Herpesvirus

  • in dogs

  • Canine Herpesvirus

  • in horses

  • Equine Herpesvirus Infection (Equine Viral Rhinopneumonitis)

  • in koi

  • Disorders and Diseases of Fish: Disorders Caused by Infections

  • in reptiles

  • Disorders and Diseases of Reptiles: Herpesviruses

    Herpesvirus 1 infection

  • in chinchillas

  • Disorders and Diseases of Chinchillas: Herpesvirus 1 Infection

    Herpesvirus-1 myeloencephalopathy

  • in horses

  • Disorders of the Spinal Column and Cord in Horses: Viral Diseases

    Heterophyiasis

    List of ZoonosesTables

    h1h2hahehihohuhy
    Audio
    Figures
    Photographs
    Pronunciations
    Sidebars
    Tables
    Videos

    Copyright     © 2010-2013 Merck Sharp & Dohme Corp., a subsidiary of Merck & Co., Inc., Whitehouse Station, N.J., U.S.A.    Privacy    Terms of Use