Medical Conditions

A hookworm is a parasite that can infect humans, cats, and dogs. A hookworm infection is typically not serious, but it can pose a significant risk if the infection is severe. This type of...

Scabies is a condition in which tiny mites burrow under the skin. This may cause a rash and itching, which worsens at night.

Lymph nodes are present throughout the body. Occasionally, these lymph nodes can swell and become tender. Infection is the most common cause of lymph node swelling. The lymph nodes' primary...

People that suffer from cystic fibrosis (CF) can have symptoms that vary. Many people have a mild form of the illness, with symptoms not showing up until adulthood. Others may have a severe form...

Nose congestion may be caused by a viral or bacterial infection. The common cold will cause your have significant nose congestion. Allergies, enlarged adenoids, deviated septum and blockages such...

Toenail removal, or excision, is recommended when one of two conditions repeatedly occur and all other simple treatment options have been exhausted. The two conditions that warrant toenail removal...

Yeast infections are quite common in infants, who can pick up the infection from their mothers during the birthing process. The condition typically starts in and around the mouth, which is...

MRSA is the acronym used for Methicillin-Resistant Staphylococcus Aureus. This kind of staph bacteria can be resistant to some antibiotics known as beta-lacams. Amoxicillin, methicillin and...

Nose infection occurs when your sinuses are inflamed from a fungal, bacterial or viral infection. This can be caused by temperature or air pressure changes, allergies, or nasal polyps. Symptoms...

Intestinal pain may be caused by a bacterial infection, constipation, trapped intestinal gas, medications, colitis, irritable bowel syndrome, parasitic infection, food sensitivity, or poor eating...

A yeast infection is a fungal infection that develops when yeast is allowed to grow uncontrolled in the body. It can develop at many locations, but the most common is a vaginal yeast infection....

When a man or woman has an over abundance of candidia fungus, which is found naturally in the body, a yeast infection will form. It can be in the vagina, on the skin, or in the mouth. There are...

You may have pronounced swelling of your toe when it is infected. A toe infection may be caused by an injury such as cutting yourself when trimming your toenails, or from an ingrown toenail. In...

Treating a roundworm infection depends on the type of worm you're suffering from. Types of roundworms include trichinae, ascarids and pinworms, with pinworms being the most common human infection....

Tuberculosis is a bacterial respiratory infection that is spread through the air. Tuberculosis is not spread by direct physical contact with someone with the infection, such as through...

Hoarseness may cause your voice to sound raspy, breathy and strained. The volume and pitch of your voice may become higher or lower. Hoarseness may be caused by an infection, allergies or abnormal...

Sinus pressure and pain may be caused by infection, allergy or obstruction. Sinus pressure may be worse in the morning, or when bending down. The pain can be severe and intense, or may be dull and...

An ingrown toenail typically affects the big toe, though it can occur on any toe. An ingrown toenail typically begins when a toenail is cut too short, and once it begins to grown back it wedges...

There are three types of rabies inoculation or vaccine. One is a standard vaccine that prevents infection if given before infection, and another is used to treat someone who has already been...

The human body is capable of producing both good and bad bacteria. The good bacteria your body produces is essential to fight off some medical conditions and to perform typical everyday functions...

Cat scratch fever, also known as cat scratch disease, refers to an infection passed from cats to humans via a bite or scratch. The bacteria responsible for the infection is harmless to cats but...

The spleen is located in the upper left quadrant of your abdomen, underneath the rib cage. It works as a drainage network to defend the body against infection. Occasionally, the spleen can become...

Leg ulcers are sores or wounds that either do not heal, or keep coming back. They may be caused by poor circulation, diabetes, kidney failure, infection and pressure from lying in the same...

Oral thrush is a fungal infection of the mouth which is most common in babies and people who use dentures, though it can affect anyone. It is typically easy to treat, but can be more severe and...

Sinus headaches occur when the bony-air filled cavities known as sinuses become congested. Congestion usually occurs during or after a cold or hay fever attack. Bone injuries and nose deformities...

Sinusitis is a chronic inflammation of the nasal passages, which produces a yellowish-green mucus and blocks the ability to breathe through the nose. When left untreated, a sinus infection can...

The sinuses are cavities inside your child's skull, lined with mucous, that connect the nasal passages. When those cavities are blocked or filled with fluid, or appear swollen, red and irritated,...

Male genital thrush is a condition caused by thrush, or candida. The common name for candida is yeast. Therefore, a male genital thrush infection is a male yeast infection. Although occurring more...

A yeast infection develops when yeast or fungi that normally exist on the skin are able to multiply. They most commonly develop in warm and moist areas of the body that allow yeast to thrive and...

An arthroplasty surgery carries with it the risk of infection. And while few people experience serious complications---less than 2 percent, according to the Mayo Clinic---some individuals do. An...

Salmonella is a bacterial infection that affects the gastrointestinal tract caused by eating food and drinking water that has been contaminated. Salmonella typically does not require treatment,...

An enlarged spleen or splenomegaly is not a disease on its own, but is a problem caused by other conditions. If an enlarged spleen is not treated, there is a risk of the spleen rupturing, which...

Lymph nodes are small organs and ducts that filter and transport infection fighting fluids throughout the body. Though lymph nodes are found throughout the body, the most common areas where lymph...

Salmonella enteritidis is an infection that is caused by contaminated eggs. Eggs that contain the bacterium can infect you if you eat them raw or any food products that contain them undercooked....

Beta-glucan enhances your immune system, yielding therapeutic effects, according to beta-glucan expert Frank Jordan. Beta-glucan is a safe, powerful antioxidant that helps your immune system cope...

Trichomoniasis is an STD, a sexually-transmitted disease. Its cause is a parasitic infection, Trichomonas vaginalis. According to Google Health, there are different symptoms for men and women...

A kidney infection is also called pyelonephritis, which can also mean that the ureters are infected. The ureters transport urine from the kidneys. A kidney infection usually occurs when your...

Patients without a spleen can live long, healthy lives, but they need to take extra precautions to prevent illness. The spleen is part of the body's lymphatic symptom and functions to filter...

Necrotizing fasciitis, more commonly known as a flesh-eating bacterial infection, is an antibiotic-resistant infection caused by certain types of bacteria. Necrotizing fasciitis is difficult to...

Sinusitis occurs when your sinuses become infected. When swollen, it becomes difficult for mucus to drain properly and the nasal passage can become blocked. Common symptoms of a sinus obstruction...

Research led by Jilin Cheng of the Division of Infectious Diseases at the Beth Israel Deaconess Medical Center at Harvard Medical School suggests that the common herpes viral infection...

Clostridium tetani is a bacterial spore that contains a toxin that causes tetanus, which stiffens your jaw and other muscles, leading to spasms that can interfere with breathing. The bacteria...

A group B hemolytic strep infection is caused by a particular strain of the streptococcus bacterium. Also known as Streptococcus agalactiae, this microscopic pathogen is actually quite common in a...

Threadworms, known more commonly as pinworms or roundworms, are parasites that make their way through your intestines and take up residence in your digestive system. Eventually, they will lay eggs...

The spleen is a vital organ and located in the abdomen on the left side of the body, It is the size of a small fist and protected by the rib cage. Even though the spleen is important, a human...

Candida, or candidiasis, is a fungus which causes yeast overgrowth. Moderate amounts of yeast in the body are normal but too much can cause infection. Candida can affect the mouth, skin, vagina,...

Tuberculosis is a highly contagious lung infection. One-third of the world's people are thought to have a dormant tuberculosis infection, according to drug maker Merck; the infection becomes...

Salmonella enteritidis is a form of food poisoning caused by a bacterium found in raw eggs. According to the Centers for Disease Control and Prevention (CDC), the bacterium enters the ovaries of...

Candida is yeast-like fungi in the normal flora of the body, but overgrows cause disease.. Candida is normally associated with a yeast infection that is quite common in women. There are, however,...

Glandular fever is an acute infection caused by the Epstein-Barr virus. Glandular fever is more commonly known as infectious mononucleosis. A mono infection is quite common, as many people can...