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Health conditions A-Z

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54 Conditions H

Haemochromatosis

Symptoms Include:
Tiredness | Weight loss | Weakness | Joint pain | Fatigue

 

Haemochromatosis is an inherited disorder in which the body’s iron levels slowly rise over time. This build-up of iron can result in a variety of unpleasant symptoms. If you think you might have hemochromatosis, see the section on when to see a doctor.

 

Related Conditions:
Liver disease

Haemophilia

Symptoms Include:
Blood | Bruising | Nosebleed | Joint pain

 

Haemophilia is a rare disorder that affects the capacity of the blood to clot. It’s usually passed down through the generations, and the majority of those who have it are men. Although there is no cure, medication can help you live a normal life. If you or your kid has symptoms of haemophilia, visit your doctor.

Haemophilus influenzae type b (Hib)

Symptoms Include:
Infection

 

The bacteria Haemophilus influenzae type b (Hib) can cause a variety of devastating infections, particularly in young children. Because it is now vaccinated against as part of the childhood vaccination programme, it is far less common than it originally was.

Haemorrhoids (piles)

Symptoms Include:
Sore bottom | Blood | itch | Lump

 

Haemorrhoids, often known as piles, are swollen areas of the body that contain enlarged blood vessels. These swells can be observed inside or around the bottom (the rectum and anus).

Hair loss

Symptoms Include:
Hair loss

 

Hair loss isn’t always an indication of sickness, although it can be distressing. Some types of hair loss may benefit from treatment.

Hallucinations and hearing voices

Symptoms Include:
Hallucinations

 

When someone has a hallucination, they see, hear, smell, taste, or feel things that do not exist outside of their mind. If you’re having hallucinations and are concerned about them, see your doctor right immediately.

 

Related Conditions:
Mental health conditions

Hamstring injury (muscle strain)

Symptoms Include:
Pain | Swelling | Bruising | Muscle weakness

 

A hamstring injury occurs when the tendons or major muscles in the back of the leg are strained or torn. If you have worries about a hamstring injury, consult a doctor, especially if you fear it’s a significant injury, it’s not healing, or your symptoms are worsening.

 

Related Conditions:
Sprains and strains

Hand pain

Symptoms Include:
Pain

 

A variety of illnesses can cause hand pain. You can relieve hand discomfort at home by following a few simple procedures. If the discomfort persists, see a doctor.

 

Related Conditions:
Joint pain

Hand, foot and mouth disease

Symptoms Include:
Blisters | Rash | Mouth ulcers | Pain

 

Hand, foot, and mouth disease primarily affects children under the age of ten, with the majority of cases occurring in children under the age of four. It has the potential to impact adults. It’s a viral infection that normally clears up on its own in 7 to 10 days without the need for antibiotics.

Hay fever

Symptoms Include:
Sneezing  |  Runny nose  |  Red Eye  | Cough

 

Hay fever is a frequent pollen allergy reaction. It is a common cause of nasal allergy discomfort (allergic rhinitis).

 

Related Conditions:
Allergies | Allergic rhinitis

Hashimoto’s disease

Symptoms Include:
Fatigue |  Sensitivity to cold  |  Dry skin  | Constipation | Joint Pain

 

The thyroid gland is affected by Hashimoto’s disease, which is an autoimmune illness. The thyroid is a butterfly-shaped gland that is located immediately below your Adam’s apple at the base of the neck. Hormones produced by the thyroid aid in the regulation of several bodily activities.

Head and neck cancer

Symptoms Include:
Sneezing  |  Runny nose  |  Blocked nose  | Itch

 

Cancer of the head and neck is a very uncommon cancer. If any of the symptoms listed are alarming you, see a doctor. It’s improbable that you’ll develop cancer, but if you do, getting a diagnosis as soon as possible can save your life.

 

Related Conditions:
Cancer

Head lice

Symptoms Include:
Infestation | Itch

 

Lice in the head are microscopic insects that dwell in the hair. Head lice hatch from nits, which are empty egg casings attaching to hair. They’re a prevalent issue, especially among schoolchildren aged 4 to 11. They’re mostly harmless, but if you don’t treat them, they can stay in your hair for a long time.

Headaches

Symptoms Include:
Headache

 

One of the most prevalent health problems is a headache. The majority of headaches aren’t dangerous and may be addressed quickly. If they’re so painful or frequent that they’re interfering with your daily activities, see a doctor. Headaches can be an issue in and of themselves, or they can be an indication of another sickness.

Health anxiety (hypochondria)

Symptoms Include:
Worry | Anxiety

 

Health anxiety (also known as hypochondria) occurs when you spend so much time worrying that you’re sick or about becoming sick that it takes over your life. If your health problems are stopping you from living a regular life and self-help isn’t helping, you should consult a doctor.

 

Related Conditions:
Mental health conditions

Hearing loss

Symptoms Include:
Hearing loss

 

Hearing loss is a frequent condition that occurs with age or as a result of repetitive loud noise exposure. Some people are born deaf or develop hearing loss as a result of infection while they are young. This page contains information on hearing loss, including symptoms and causes.

Heart attack

Symptoms Include:
Pain | Nausea | Pale | Shortness of breath

 

A heart attack is a life-threatening medical condition. It occurs when the blood supply to the heart is unexpectedly interrupted, generally by a blood clot. If the blockage is not removed quickly, the lack of blood delivered to the heart can irreversibly damage the heart muscle.

 

Related Conditions:
Chest pain

Heart disease

Symptoms Include:
Pain | Nausea | Pale | Shortness of breath

 

Conditions that restrict or block blood arteries are referred to as heart disease (coronary heart disease). This can result in a heart attack, angina, or stroke in some cases. Heart illness also includes disorders that damage the muscle and valves of your heart, as well as irregular heart rhythms (arrhythmias).

 

Related Conditions:
Chest pain

Heart failure

Symptoms Include:
Shortness of breath | Tiredness | Swollen ankles

 

Heart failure occurs when the heart is unable to adequately pump blood throughout the body. This usually occurs as a result of the heart becoming excessively weak or stiff. It can strike anyone at any age, but it is most frequent in the elderly.

 

Related Conditions:
Blue skin and lips (cyanosis)

Heart palpitations and ectopic beats

Symptoms Include:
fast heart beat | fast heartbeat

 

The heart fails to properly pump blood around the body, resulting in heart failure. This is frequently due to a weak or stiff heart. It can strike anyone at any age, although it strikes the elderly the most frequently.

Heartburn and gastro-oesophageal reflux disease (GORD)

Symptoms Include:
Pain | Sour taste | Bad breath | Bloating

 

GORD (gastro-oesophageal reflux disease) is a frequent ailment in which stomach acid spills into the oesophagus (gullet). Heartburn and a bad taste in the back of the mouth are two symptoms of GORD. This page contains GORD information for those aged 16 and up.

 

Related Conditions:
Chest pain

Heat exhaustion and heatstroke

Symptoms Include:
Fatigue | Tiredness | Dizziness | Headache | Muscle ache

 

If you get too hot, you can suffer from heat exhaustion or heat stroke, both of which can be fatal.

Heat rash (prickly heat)

Symptoms Include:
Rash  | Itch

 

Heat rash (also known as prickly heat) is unpleasant but typically harmless. After a few days, it should clear up on its own. If the rash does not resolve after a few days or if your child has a rash and you are concerned, see a doctor.

Heavy periods

Symptoms Include:
Heavy periods

 

Although heavy periods are typical, they can have a significant impact on a woman’s daily life. They don’t always have an underlying cause, but they might be caused by issues like fibroids or endometriosis, so have your symptoms looked out for.

 

Related Conditions:
Period problems

Heel pain

Symptoms Include:
Pain

 

Most heel discomfort can be relieved at home. If your heel discomfort persists, you should consult a doctor.

Henoch-Schönlein purpura (HSP)

Symptoms Include:
Bruising | Joint pain | Tummy ache | Blood in urine

 

Henoch-Schönlein purpura (HSP) is a blood vessel disorder that results in a patchy rash in youngsters. It’s normally not dangerous, but it can cause kidney problems in certain people. If a rash occurs, you should always seek medical guidance for a diagnosis.

Hepatitis

 

Hepatitis is a term used to describe liver inflammation. It’s frequently the outcome of a viral infection or alcohol-induced liver impairment. There are various forms of hepatitis; for more details, check the section below.

 

Related Conditions:
Liver disease | Jaundice

Hepatitis A

Symptoms Include:
Temperature | Jaundice | Nausea | Itch

 

Hepatitis A is a liver infection caused by a virus that is transmitted through a person’s faeces. It’s not prevalent, but certain groups are more vulnerable. It’s usually not serious, and most people recover completely. If you have hepatitis A symptoms, see a doctor.

 

Related Conditions:
Hepatitis | Jaundice

Hepatitis B

Symptoms Include:
Temperature | Tiredness | Fatigue | Nausea | Muscle pain

 

Hepatitis B is a type of liver infection. A virus causes it, and it spreads through blood and bodily fluids. It can affect anyone, but some people are more susceptible to infection than others. If you suspect you’ve been exposed to hepatitis B or are experiencing symptoms, seek medical attention.

 

Related Conditions:
Hepatitis | Jaundice

Hepatitis C

Symptoms Include:
Temperature | Tiredness | Fatigue | Nausea | Muscle pain

 

Hepatitis C is an infection of the liver caused by a virus. It can sometimes develop serious and potentially life-threatening damage to the liver if left untreated for several years. If you come into contact with the blood of an infected individual, you can get infected.

 

Related Conditions:
Hepatitis | Jaundice

Hereditary spastic paraplegia

Symptoms Include:
Muscle weakness | Stiffness | Reduced sensation | Need to pee

 

Hereditary spastic paraplegia refers to a range of rare genetic illnesses that produce leg muscle weakness and stiffness. Over time, the symptoms get more severe. Because hereditary spastic paraplegia is frequently misdiagnosed, it’s difficult to tell how many people have it.

Hernia

Symptoms Include:
Pain | Lump | Cough | Vomiting | Constipation

 

A hernia is a hole in the muscular wall of the abdomen that permits the contents inside to protrude outward. Hernias come in a variety of shapes and sizes, but the most frequent ones occur in the abdomen or groyne.

Herpes in a baby (neonatal herpes)

Symptoms Include:
Rash | Mouth ulcers | Temperature | Tiredness

 

A herpes infection in a newborn baby is known as neonatal herpes. The herpes simplex virus is to blame. Adults can have cold sores and vaginal ulcers from this virus, which is very contagious.

Herpes simplex eye infections

Symptoms Include:
Red-eye | Pain | Swelling | Light hurts

 

Eye infections caused by Herpes simplex are a frequent and potentially dangerous condition. They are brought on by a virus. If you suspect you have the infection, seek medical attention immediately. If it isn’t addressed, your vision may be jeopardised.

Herpetic whitlow (whitlow finger)

Symptoms Include:
Redness | Swelling | Pain | Blistering

 

A painful illness of the finger is known as herpetic whitlow (whitlow finger). The herpes virus is to blame. It’s simple to treat, but it can recur.

Hiccups

Symptoms Include:
Hiccup

 

Most people experience hiccups from time to time. They shouldn’t last more than a few minutes. Without seeing a doctor, you may typically wait for them to go away or treat them yourself. If your hiccups linger longer than 48 hours or are interfering with your daily life, you should consult a doctor.

Hidradenitis suppurativa (HS)

Symptoms Include:
Lumps | Redness | Pus | Pain

 

Hidradenitis Suppurativa (HS) is a chronic skin disorder that causes pain. It leads to skin abscesses and scars. It’s unclear what causes hidradenitis Suppurativa. It commonly develops around sweat glands near hair follicles, such as in the groyne, buttocks, breasts, and armpits.

High blood pressure (hypertension)

 

Hypertension, or high blood pressure, is a condition with few symptoms. However, if left untreated, it can lead to significant complications such as heart attacks and strokes. The only method to determine if your blood pressure is too high is to have it checked.

High cholesterol

 

Cholesterol is a lipid, which is a fatty substance. Having an abnormally high level of lipids in your bloodstream can have negative consequences for your health. This website has information on how to lower your cholesterol levels.

Hip pain in adults

Symptoms Include:
Pain

 

Hip discomfort usually improves on its own with rest and over-the-counter pain relievers. If any of the symptoms indicated (under ‘when to visit your GP’) apply to you, see a doctor. On this page, we’ll go through some of the most prevalent reasons for hip discomfort.

 

Related Conditions:
Joint pain

Hip pain in children (irritable hip)

Symptoms Include:
Pain | Limp

 

Irritable hip is the most common cause of hip pain in youngsters, and it usually goes away on its own. However, it should be evaluated on a regular basis because it could be an indication of something more serious.

 

Related Conditions:
Joint pain

Hirsutism

Symptoms Include:
Excess hair

 

Hirsutism is a condition characterised by excessive hair growth in specific places of the body. It primarily affects females. It’s a rather typical occurrence. It may be uncomfortable or upsetting for some women to live with. Although it’s usually a long-term issue, there are a few therapies that can help keep it under control.

HIV and AIDS

Symptoms Include:
Can’t fight infections | Temperature | Sore throat | Rash

 

HIV is a virus that damages your immune system, making it more vulnerable to infection and disease. It’s most usually spread while having sex without using a condom.

Hives

Symptoms Include:
Rash | Redness | Temperature | Sore throat | Itch | Swelling

 

Hives are an itchy, raised rash that occurs as a result of a reaction to food, pollen, insect bites, or chemicals.

Hoarding disorder

Symptoms Include:
Hoarding

 

When someone has a hoarding issue, they accumulate an excessive quantity of belongings and keep them in an unorganised manner. If you suspect a family member or friend has a hoarding condition, attempt to urge them to accompany you to their doctor and seek treatment.

 

Related Conditions:
Mental health conditions

Human Papillomavirus

 

Cervical cancer, as well as cancers of the vulva, vagina, penis, and anus, can be caused by HPV. It also has the potential to produce cancer in the back of the throat (called oropharyngeal cancer). This can involve the tonsils and the base of the tongue. After a person contracts HPV, cancer can take years, if not decades, to develop.

 

Related Conditions:
Cancer

Huntington’s disease

Symptoms Include:
Poor concentration | Memory loss | Mood instability | Personality change

 

Huntington’s disease is a genetic illness that affects the brain and nervous system, preventing them from functioning normally. Although there is no cure, treatment is intended to keep symptoms under control as much as possible once they appear. If you think you could be suffering from Huntington’s disease, consult your doctor as soon as possible.

Hydrocephalus

Symptoms Include:
Headache | Nausea | Vomiting | Blurred vision

 

A build-up of fluid on the brain is known as hydrocephalus. The extra fluid puts pressure on the brain, which might cause it to become damaged. Hydrocephalus can be lethal if left untreated. There are three forms of hydrocephalus, each of which manifests itself at a different age.

Hydronephrosis

Symptoms Include:
Pain | Temperature | Nausea | Blood in urine

 

Hydronephrosis is a disorder in which a build-up of urine (pee) causes one or both kidneys to become stretched and bloated. It is capable of affecting persons of all ages. During standard pregnancy ultrasound screenings, it is sometimes detected in unborn newborns.

Hyperacusis

Symptoms Include:
Pain | Mood change

 

Hyperacusis is a condition in which a person’s intolerance to everyday sounds causes severe distress and interferes with their daily activities. If you’re having trouble coping with noise or ordinary sounds, see your doctor. If necessary, they can refer you to a hospital or a specialist for tests.

Hyperparathyroidism

Symptoms Include:
Stones | Pain | Low mood | Bones break easily

 

The parathyroid glands create too much parathyroid hormone in hyperparathyroidism. The parathyroid glands are located in the front of the neck, near the thyroid gland. Calcium levels in the blood rise as a result of this (hypercalcaemia). High calcium levels in the blood can cause a variety of issues if left unchecked.

Hypoparathyroidism

Symptoms Include:
Tingling | Twitches | Cramps | Tiredness | Fatigue

 

Hypoparathyroidism is a rare disorder in which the parathyroid glands generate an insufficient amount of parathyroid hormone, resulting in a decrease in blood calcium levels and an increase in phosphorus levels. Muscle cramps, discomfort, and twitching are all indications of this condition. The parathyroid glands are located in the front of the neck, near the thyroid gland.

Hypothyroidism

Symptoms Include:
Fatigue | Depression | Weight gain | Depression | Dry skin | Numbness and tingling

 

When your thyroid gland (a tiny gland in your neck) does not generate enough hormones, you have an underactive thyroid.

Hypothermia

Symptoms Include:
Cold skin | Shivering | Tiredness | Fatigue | Pale

 

Hypothermia is defined as a hazardous decline in body temperature below 35 degrees Celsius (95F). The average body temperature is roughly 37 degrees Celsius (98.6F). If not treated promptly, hypothermia can be fatal. If you suspect someone is suffering from hypothermia, dial 999 and administer first aid.
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