Hemorrhagic means bleeding, and cystitis means bladder inflammation. Prompt treatment, such as medication and bladder irrigation, can help manage pain and prevent lasting bladder damage. Hemorrhagic cystitis because of bladder infections tends to be acute and may resolve more easily. Hola Images / Getty Images Chemotherapy The chemotherapy medications most often associated with hemorrhagic cystitis are alkylating agents. It usually develops within one or two days of treatment. Treatment for bladder cancer that includes both cyclophosphamide and bacillus Calmette-Guerin can also cause hemorrhagic cystitis....

Hepatitis A is a contagious viral infection that affects the liver. The hepatitis A virus causes an infection that can be easily spread from person to person through fecal contamination. It can be prevented by a vaccine. Daniil Dubov / Getty Images This article will explain its transmission, symptoms, diagnosis, treatment, and prevention. This is known as thefecal-oral routeof transmission. Symptoms usually show up two to seven weeks after you are infected....

When new diseases strike, our bodies have no protectionor immunityagainst them. How Does Herd Immunity Work? Herd immunity can also happen through vaccination. Why Is It Important? Newborns and people with compromised immune systems are one example. They cant receive some vaccines, or they cant develop immunity to diseases. Even healthy individuals may encounter vaccine failurean estimated 2-10% of healthy people don’t respond to vaccination. There are also no established treatments or cures, which is why the virus has caused a global pandemic....

The esophagus is part of the throat, the tube that connects the mouth to the stomach. There are many possiblecauses of esophagitis. What Is Herpes Esophagitis? Moyo Studio / Getty Images The majority of cases of esophagitis are not because of infection. In fact, esophagitis is most often because of gastrointestinalreflux. However, in rare cases, infection with a herpes simplex virus can lead to herpes esophagitis. Most but not all cases of herpes esophagitis are in people who are immunocompromised....

As its name implies, scientists originally found HGH to be responsible for growth regulation during childhood. Some research even suggests that it may play a role in how the heart functions. Production Human growth hormone consists of a single chain of 191 amino acids. ajo888 / iStock / Getty Images It is made in the brain but secreted in the bloodstream. The pituitary puts out HGH in pulsatile bursts that vary hourly....

The hair tends to grow in areas typically seen in males. Several conditions can cause hirsutism, and treatments aim to reduce or eliminate unwanted hair. This article will discuss hirsutism symptoms, causes, and treatment. DermNet /CC BY-NC-ND It will also cover diagnosis and the outlook for those with the condition. DermNet /CC BY-NC-ND What Are Hirsutism Symptoms? These areas are: Hirsutism vs. Hypertrichosis Hypertrichosisis similar to hirsutism. What Causes Hirsutism? About half the time, hirsutism results from increasedandrogenlevels....

Even when the external environment is rapidly changing, homeostasis keeps the body’s internal environment constant and steady. In the 1920s, an American physiologist named Walter B. Cannon invented the word “homeostasis.” Cannon described homeostasis as “coordinated physiological processes” that maintain “steady states” in a living organism. Westend61 / Getty Images When it’s cold outside, the body shivers to stay warm. How It Works Homeostasis typically involves negative feedback loops. Within these loops, negative stimuli automatically trigger mechanisms to help homeostasis’s dynamic equilibrium process....

Infections are also much more likely in older adults and those who have poor health or are immunocompromised. This article discusses the symptoms, causes, diagnosis, and treatment of hospital-acquired pneumonia. Antibiotic-resistant organismsbacteria that have learned to avoid the killing mechanisms of antibioticsare of growing concern. Skaman306 / Getty Images Antibiotics can be given by mouth or intravenously depending on your severity. Antibiotics administered in the hospital are more likely to be given via an IV placed in your arm....

Humanpapillomavirus(HPV)is a group of viruses commonly spread through sexual contact. Many low-risk strains resolve on their own. High-risk HPV strains can cause certain cancers. stefanamer / Getty Images But having HPV does not necessarily mean you will get cancer. stefanamer / Getty Images What Is the Difference Between an STD and STI? An STI may progress into a sexually transmitted disease (STD). Many peopleuse these terms interchangeably. But, some low-risk strains (types 6 and 11) can causegenital warts....

In use since the 1960s, the safety of hydroquinone remains controversial. This article provides a quick look at how hydroquinone works and the skin conditions it treats. It also discusses how to use it safely, potential side effects, and potential alternatives. Guido Mieth / Getty Images Applied over time, hydroquinone has a twofold effect. With regular software, hydroquinone lightens the skin to correct this set of issues. Heres a quick breakdown of the conditions that this treatment can improve....

Severe Nausea and Vomiting During Pregnancy Hyperemesis gravidarum is extreme, persistent nausea and vomiting duringpregnancy. Hyperemesis gravidarum is less common and more severe. People with hyperemesis gravidarum may vomit more than three to four times a day. South_agency / Getty Images They may vomit so much that they feel dizzy and lightheaded. This condition can lead to weight loss,dehydration, and electrolyte imbalance. Symptoms of hyperemesis gravidarum are similar to those of morning sickness, but they are more severe....

Some also refer to this as a diabetic coma. Causes HHNS develops whenglucose levels surge(typically above 600 mg/dL), leading to severe dehydration. The result is frequent urination, which can result in serious or even life-threatening dehydration. Ellen Lindner / Verywell Rarely, HHNS can occur in people who have not yet been diagnosed with diabetes. A blood glucose level of 600 mg/dL and lowketone levelsare the main factors for the diagnosis of HHNS....

Hyperhidrosis is a term used to describeexcessive sweatingthat affects the bodys natural temperature. It is not simply heavy sweating that occurs with strenuous activity. Hyperhidrosis is not the same thing as excessive sweating during exercise or in response to hot or humid climates. Verywell / Emily Roberts The eccrine sweat glands are distributed over most of the body and function as the bodys primary cooling system. The apocrine sweat glands located primarily in the armpits and around the anus serve no regulatory purpose....