Conditions starting with H

H1N1 Flu (Swine Flu)

Swine Flu is a virus that pigs can get, but human infections can and do happen. H1N1 is the name of a strain that infected people in 2009. Learn more.

Haemochromatosis

Explore the homeopathic remedies traditionally associated with Haemochromatosis and related practitioner context.

Haemolytic disease of the fetus and newborn (HDFN)

Explore the homeopathic remedies traditionally associated with Haemolytic disease of the fetus and newborn (HDFN) and related practitioner context.

Haemophilia

Explore the homeopathic remedies traditionally associated with Haemophilia and related practitioner context.

Haemophilus Infections

Haemophilus is the name of a group of bacteria that can cause serious disease, such as Hib. There is a vaccine to prevent Hib. Learn more.

Haemophilus influenzae type b (Hib)

Explore the homeopathic remedies traditionally associated with Haemophilus influenzae type b (Hib) and related practitioner context.

Hair Loss

There are many causes for hair loss. One is alopecia areata, a disease that affects the hair follicles. Read about it and other hair loss issues here.

Hair Problems

You have hair all over your body, not just on your head. Find out about what's normal, how to care for hair, and common hair problems.

Hamstring injury

Explore the homeopathic remedies traditionally associated with Hamstring injury and related practitioner context.

Hand Injuries and Disorders

Find out what you can do if you are experiencing problems with your hands such as pain or stiffness. Learn about hand injuries and disorders.

Hand, foot and mouth disease

Explore the homeopathic remedies traditionally associated with Hand, foot and mouth disease and related practitioner context.

Hantavirus Infections

Hantavirus pulmonary syndrome (HPS) is a rare but deadly viral infection. It is spread by mice and rats. Learn about symptoms and prevention.

HDL: The "Good" Cholesterol

HDL, or high-density lipoprotein, is the "good" cholesterol. It helps remove bad cholesterol from your arteries, so a higher HDL level is better.

Head and Neck Cancer

Head and neck cancer includes cancers of the mouth, nose, sinuses, salivary glands, throat, and lymph nodes. Read the different symptoms of each type.

Head Injuries

It is important to know the warning signs of a moderate or severe head injury. Learn when to seek medical attention.

Head injury and concussion

Explore the homeopathic remedies traditionally associated with Head injury and concussion and related practitioner context.

Head Lice

Could that itchy, tickly feeling on your head be head lice? Learn about these tiny insects, such as how to tell if you have them, and how to treat it.

Head lice and nits

Explore the homeopathic remedies traditionally associated with Head lice and nits and related practitioner context.

Headache

Nearly everyone has had a headache, the most common form of pain. Learn the different types, the different symptoms of, and when to see a doctor.

Headache and dryness

Explore the homeopathic remedies traditionally associated with Headache and dryness and related practitioner context.

Health Checkup

Regular health exams and tests can help find problems before they start. Learn about what you can do to make the most of your next check-up.

Health Disparities

Health disparities refer to differences in the health status of different groups of people. Read more.

Health Facilities

Health facilities are places that provide health care such as hospitals, clinics, outpatient care centers, and specialized care centers. Learn more.

Health Fraud

If it sounds too good to be true, it probably is. Health fraud scams promise help, treatments or cures but haven't been proven effective. Learn how to protect yourself.

Health Insurance

Health insurance helps protect you from high medical care costs. Read about different types of benefits and what is covered.

Health Literacy

Health literacy is the degree to which individuals have the ability to find, understand, and use information and services to inform health-related decisions.

Health Occupations

People with jobs in the medical field provide healthcare for millions of people. Find out about medical and healthcare careers.

Health Problems in Pregnancy

Every pregnancy has some risk of problems. Your lifestyle, as well as factors like certain conditions and health issues, can raise that risk.

Health Risks of an Inactive Lifestyle

An inactive lifestyle, with too much sitting and not enough exercise, is bad for you. Learn about the health risks and how you can be more active.

Health Statistics

Health statistics are numbers about some aspect of health. Researchers use statistics to see patterns of diseases in groups of people. Learn more.

Healthy Aging

As you get older, risk of chronic diseases increases. A healthy lifestyle and chronic condition management can help you live more independently later in life.

Healthy Living

Healthy living means taking care of your body and mind by making choices that support your overall wellbeing. Over time, small steps can add up to big health benefits.

Healthy Sleep

Sleep is a natural process that helps your body restore energy, supports learning and memory, and keeps you healthy. You can take steps to improve your sleep habits.

Hearing Aids

There are different types of hearing aids. They differ by size, placement, and how much they amplify sound. Discover which will work best for you.

Hearing Disorders and Deafness

Hearing loss can be caused by trauma, diseases, long term exposure to loud noise and other factors. Learn about the two types of hearing loss.

Hearing loss

Explore the homeopathic remedies traditionally associated with Hearing loss and related practitioner context.

Hearing Problems in Children

Hearing problems can be temporary or permanent. About 2 or 3 out of every 1,000 children in the U.S. are born deaf or hard-of-hearing.

Heart Attack

Over a million people in the U.S. have a heart attack each year. Learn the symptoms and get help quickly to prevent permanent heart damage and death.

Heart block

Explore the homeopathic remedies traditionally associated with Heart block and related practitioner context.

Heart Disease in Women

Heart disease is the leading cause of death for women in the US and affects people of all ages. A healthy lifestyle can help lower your risk of heart disease.

Heart Diseases

Heart disease is the leading cause of death in the U.S. Learn about the different types of heart diseases, and what you can do to try to prevent them.

Heart Failure

Heart failure, or congestive heart failure (CHF), means the heart can't pump enough blood. Learn about the signs, symptoms, and causes.

Heart rhythm problems (arrhythmia)

Explore the homeopathic remedies traditionally associated with Heart rhythm problems (arrhythmia) and related practitioner context.

Heart Surgery

Heart surgery is used to fix certain problems with the heart. Learn about the different procedures and why someone might need them.

Heart valve disease

Explore the homeopathic remedies traditionally associated with Heart valve disease and related practitioner context.

Heart Valve Diseases

Heart valve disease happens when one or more of your heart valves do not open or close correctly. This can affect your blood flow and strain your heart.

Heartburn

Looking for heartburn remedies? Find out more about heartburn (pyrosis) and how to relieve this type of indigestion.

Heartburn and acid reflux

Explore the homeopathic remedies traditionally associated with Heartburn and acid reflux and related practitioner context.

Heat exhaustion and heatstroke

Explore the homeopathic remedies traditionally associated with Heat exhaustion and heatstroke and related practitioner context.

Heat Illness

During hot weather, especially with high humidity, sweating isn't enough and your temperature can rise and cause heat illnesses like heat exhaustion.

Heat rash (prickly heat)

Explore the homeopathic remedies traditionally associated with Heat rash (prickly heat) and related practitioner context.

Heavy periods

Explore the homeopathic remedies traditionally associated with Heavy periods and related practitioner context.

Heel Injuries and Disorders

Heel problems are common and painful. What causes heel pain? Read more about causes and conditions that can result from heel problems.

Helicobacter pylori Infections

H. Pylori is a bacterium that can infect the stomach. Being infected is associated with an increased risk of developing peptic ulcers. Learn more.

Hemochromatosis

Hemochromatosis is an iron overload disease (too much iron in the body). The extra iron can build up in organs and cause damage. Find out how.

Hemophilia

Hemophilia is a rare disorder in which the blood does not clot normally. Usually hemophilia usually occurs in males and is inherited. Learn more.

Hemorrhagic Fevers

Viral hemorrhagic fevers are a group of illnesses caused by four families of viruses including Ebola and Marburg, Lassa fever, and yellow fever.

Hemorrhagic Stroke

Hemorrhagic stroke happens when a blood vessel breaks and bleeds into the brain. Learn about the symptoms and genetics behind hemorrhagic stroke.

Hemorrhoids

Hemorrhoids (piles) are swollen veins that sometimes protrude from the anus. Read these tips to find relief from uncomfortable symptoms.

Henoch-Schönlein purpura (HSP)

Explore the homeopathic remedies traditionally associated with Henoch-Schönlein purpura (HSP) and related practitioner context.

Hepatitis

The word "hepatitis" means inflammation of the liver. There are five main hepatitis viruses (A, B, C, D or E). Learn about the different types here.

Hepatitis A

Hepatitis A virus can infect people who accidentally ingest fecal matter in contaminated food or water or through personal contact. More on HAV here.

Hepatitis B

Hepatitis B virus is a contagious liver infection spread from person-to-person via blood or body fluids. Who is at risk for HBV? Read about it here.

Hepatitis C

Hepatitis C (HCV) is virus that causes liver inflammation. It usually spreads through contact with blood from someone who has HCV. It can be acute or chronic.

Herbal Medicine

Herbal medicines are one type of dietary supplement. They are sold as tablets, capsules, powders, teas, extracts, and plants. Learn more.

Hereditary haemorrhagic telangiectasia (HHT)

Explore the homeopathic remedies traditionally associated with Hereditary haemorrhagic telangiectasia (HHT) and related practitioner context.

Hereditary spastic paraplegia

Explore the homeopathic remedies traditionally associated with Hereditary spastic paraplegia and related practitioner context.

Hernia

Hernias can happen to anyone. They're caused by a combination of muscle weakness and strain. Learn about several types and therapies available.

Herniated Disk

A herniated or slipped disc means that one of the soft cushions or discs between your vertebrae or spinal bones pushes out. Find out about it here.

Heroin

Heroin is a highly addictive drug made from morphine. It can be injected, snorted, or smoked. Learn about withdrawal symptoms and addiction treatment.

Herpes Simplex

Learn about herpes simplex, a contagious infection caused by herpes simplex virus (HSV). Oral herpes affects the mouth. Genital herpes affects the genitals.

Herpes simplex eye infections

Explore the homeopathic remedies traditionally associated with Herpes simplex eye infections and related practitioner context.

Herpetic whitlow (whitlow finger)

Explore the homeopathic remedies traditionally associated with Herpetic whitlow (whitlow finger) and related practitioner context.

Hiatal Hernia

A hiatal hernia is a result of the upper part of the stomach pushing through the diaphragm into the chest area. Read about symptoms and treatment.

Hiatus hernia

Explore the homeopathic remedies traditionally associated with Hiatus hernia and related practitioner context.

Hiccups

What exactly is a hiccup and how do you stop hiccupping once you start? Find out what triggers hiccups and when you should contact your doctor.

Hidradenitis Suppurativa

Hidradenitis suppurativa (HS), or acne inversa, is a chronic skin disease. It causes painful bumps in your armpits and groin. Learn about treatment.

High Blood Pressure

High blood pressure (hypertension) develops when blood flows through arteries at higher than normal pressures. It increases the risk for heart disease and stroke.

High Blood Pressure in Pregnancy

High blood pressure in pregnancy can include gestational hypertension, chronic hypertension, and preeclampsia. It can cause problems for both mother and baby.

High blood sugar (hyperglycaemia)

Explore the homeopathic remedies traditionally associated with High blood sugar (hyperglycaemia) and related practitioner context.

High cholesterol

Explore the homeopathic remedies traditionally associated with High cholesterol and related practitioner context.

High Cholesterol in Children and Teens

High cholesterol isn't just a problem for adults. It can put your child or teen at risk of coronary artery disease and other heart diseases. Learn more.

Hip Injuries and Disorders

Take a look at some common and not so common hip injuries and disorders. Find tests and details on different problems of the hip and clinical trials.

Hip Replacement

Hip arthroplasty (or hip replacement surgery) involves replacing a damaged hip joint with an artificial one to reduce pain and improve mobility.

Hirschsprung's disease

Explore the homeopathic remedies traditionally associated with Hirschsprung's disease and related practitioner context.

Histoplasmosis

Histoplasmosis is a disease caused by a fungus (or mold) called Histoplasma. Learn about symptoms and treatment.

HIV

HIV (human immunodeficiency virus) attacks the body's immune system. There is no cure but it can be treated with medicines. To know if you have HIV, get tested.

HIV and AIDS

Explore the homeopathic remedies traditionally associated with HIV and AIDS and related practitioner context.

HIV and Infections

Having HIV weakens your body's immune system. This can lead to serious infections that are called opportunistic infections (OIs). Read more.

HIV and Pregnancy

HIV positive and pregnant or thinking about HIV and pregnancy? Learn how with early testing and medication you can significantly lower your risk of passing HIV to your baby.

HIV in Women

Women who have HIV are at higher risk of certain infections, cancers, and diseases. There is no cure but there are treatments and medicines to prevent HIV.

HIV Medicines

There are several different types of HIV medicines. They do not cure HIV, but fight the infection. Learn more about these medicines.

HIV: PrEP and PEP

PrEP (pre-exposure prophylaxis) and PEP (post-exposure prophylaxis) are medicines to prevent HIV. They are prescribed before or after there is exposure to HIV.

Hives

Hives is a skin rash that can cause the skin to be red and have itchy bumps. Learn possible reasons to have rashes and treatments.

Hodgkin Lymphoma

Hodgkin lymphoma is a type of lymphoma, cancer of the lymph system. It is serious but can usually be cured if found and treated early. Learn more.

Home Care Services

Home care is care that allows a person with special needs stay in their home. Learn about related issues and specifics.

Homelessness and Health

Homelessness and health are closely connected. Limited access to healthcare can contribute to the problem. Learn about news and specific resources.

Hormone Replacement Therapy

Hormone replacement therapy (HRT) can relieve menopause symptoms. Risks include breast cancer and stroke. Certain types of HRT have a higher risk.

Hormones

Hormones are your body's chemical messengers. They affect many processes including mood. Too much or too little of a certain hormone can have health implications.

Hospice Care

Hospice care is end-of-life care. Medical professionals and volunteers give medical, psychological, and spiritual support. Read more.

Household Products

Household products for cleaning and other uses can contain ingredients that can harm your family and the environment. Learn more.

How Much Exercise Do I Need?

You know that exercise is good for your health, but how much do you need? Learn what's recommended, along with which types of exercise you need.

How to Improve Mental Health

Your mental health affects all parts of your life. Learn how to improve your mental health through positive thinking, relaxation techniques, and gratitude.

How to Lower Cholesterol

High cholesterol raises your risk of heart diseases. Treatments to lower cholesterol include lifestyle changes like diet and exercise, and medicines if needed.

How to Lower Cholesterol with Diet

One important way to lower your cholesterol is through diet. Learn which foods to avoid, which ones you should limit, and what you can eat instead.

How to Prevent Diabetes

Many Americans are at risk for type 2 diabetes. Healthy eating, regular exercise, and weight control may help prevent or delay getting diabetes.

How to Prevent Heart Disease

Heart disease is the leading cause of the death in the U.S, and is a major cause of disability. There are many heart disease risk factors that you can change.

How to Prevent High Blood Pressure

Many people have high blood pressure, or are at risk for it. Learn how you may be able to prevent or treat it, with simple, healthy lifestyle changes.

HPV

Human papillomavirus (HPV) is a group of more than 200 related viruses. Some of them are spread through sexual contact. There is a vaccine to help prevent HPV.

Human papillomavirus (HPV)

Explore the homeopathic remedies traditionally associated with Human papillomavirus (HPV) and related practitioner context.

Huntington's Disease

Huntington's disease (HD) is an inherited disease that causes nerve cells in the brain to waste away. It causes disability that gets worse over time.

Hurricanes

Hurricanes are severe tropical storms that produce heavy rains and wind that can exceed 155 miles per hour. Read more about the effects of them.

Hydrocephalus

Hydrocephalus is the buildup of too much cerebrospinal fluid in the brain. It can be present at birth, or happen later. Read about causes, treatment.

Hydronephrosis

Explore the homeopathic remedies traditionally associated with Hydronephrosis and related practitioner context.

Hyperglycemia

Hyperglycemia means high blood sugar or glucose. Hyperglycemia happens when your body doesn't make enough insulin or can't use it the right way.

Hyperparathyroidism

Explore the homeopathic remedies traditionally associated with Hyperparathyroidism and related practitioner context.

Hyperthyroidism

Thyroid hormones control the rate of many activities in your body. Hyperthyroidism means the thyroid makes more thyroid hormones than the body needs.

Hypoglycemia

Read about the causes and symptoms related to hypoglycemia, a condition that generally affects people with low blood sugar levels.

Hypoparathyroidism

Explore the homeopathic remedies traditionally associated with Hypoparathyroidism and related practitioner context.

Hypothermia

People with hypothermia suffer from low body temperature, which is usually below 95 degrees. Read about the common ways to get hypothermia.

Hypothyroidism

Hypothyroidism happens when your thyroid gland does not make enough thyroid hormone to meet your body's needs. Hypothyroidism is more common in women.

Hysterectomy

A hysterectomy is a surgery to remove a woman's uterus. There are different types of hysterectomy surgeries. Learn why they are used as treatments.