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1. What are examples of bacterial infections?
Bacteria are microbes that are invisible to the eye due to their size. You’ll observe them under a microscope.
There are two sorts of bacteria:
beneficial (or good) bacteria and
Harmful (or bad) bacteria.
The profitable ones stay within the body and help in digestion, make some vitamins, and fight off infection. The harmful bacteria are found within the environment and may enter your body once you are available contact with them, causing diseases when your immunity is weak. These cause infections and hence also are mentioned as infectious bacteria.
How severe may be a bacterial infection depends on what sorts of bacteria are involved. Bacteria most ordinarily infect the gut, skin, and systema respiratorium including the lungs, tract, and vagina. There are quite 100 bacterial infections, but the foremost common examples are as follows:
- Bacterial infections of the digestive tract: gastrointestinal disorder, also referred to as Salmonella poisoning, is most frequently caused by the non-typhoidal Salmonella bacteria found within the intestinal tracts of humans and other animals. It mostly occurs after eating undercooked poultry. The infection causes bloating, diarrhea, and vomiting. Gastrointestinal (GI) infections also can be caused by Escherichia coli (E. coli). The beneficial strain lives within the gut, but the harmful strain causes infection within the stomach and intestines. The infection usually goes away on its own, but sometimes, it is often life-threatening. The typical symptoms are abdominal cramps, vomiting, and diarrhea. E. coli bacteria commonly spreading through contaminated food and sometimes hand-to-hand contact. The disease of the stomach and intestine with Helicobacter pylori (H. pylori) can cause gastritis and gastric ulcers. These disorders are mostly chronic ones and may cause severe abdominal pain and weight loss. Certain foods are known to trigger the symptoms of gastritis and ulcers.
Bacterial infections of the lung: Tuberculosis may be a highly communicable or communicable disease caused by the tubercle bacillus (M. tuberculosis) bacteria. It’s going to cause chronic cough for months and fever during evenings; sometimes, cough blood, and lots of times, there's a drastic weight loss, giving an emaciated look. Bacterial pneumonia may be a lung infection that will be caused by any of the bacteria: Streptococcus pneumonia, Klebsiella pneumonia, Pseudomonas aeruginosa, et al. . . . The bacteria get transmitted from the affected person to a healthy person through coughing or sneezing. The condition generates high-grade fever, severe coughing, and shortness of breath.
Bacterial infections of the vagina and urinary tract: Bacterial vaginosis is an infection of the vagina that will cause an itchy vagina, a greyish sticky discharge, and painful urination. The beneficial and harmful bacteria structure the traditional vaginal flora. If the amount of harmful bacteria increases within the vagina, it results in bacterial vaginosis. Tract infections are most ordinarily caused by bacteria. They’re other common in women than in men. These include cystitis (infection of the urinary bladder) and urethritis (disease of the urethra). The common symptoms include burning or painful urination, frequent trips to the toilet, and sometimes abdominal pain. Gonorrhea is that the second most ordinarily reported bacterial sexually transmitted infection within us. It is caused by the bacteria gonococcus and infects both men and ladies. It most frequently affects the urethra, rectum, or throat and may also affect the cervix in women.
Bacterial infections of the skin: Common bacterial skin diseases include:
Cellulitis (swollen and red skin that's typically painful and consider the touch)
Erysipelas (related to cellulitis but that affects the upper or superficial layer of skin)
Impetigo (red sores on the face that burst and crust over, specifically around a child's nose and mouth and on the hands and feet)
Carbuncles (cluster of boils)
2. What is the most common bacterial infection?
At many points in your life, you'll suffer from common bacterial infections. It’s important you recognize the way to recognize them and take steps to guard yourself against getting ill. There is an enormous number of disease-causing bacteria that affect people, but some are far more common than others. Below, we’ve put together some detail about the foremost common bacterial infections you would possibly experience.
There are some simple steps you'll fancy assist you to avoid getting a UTI:
- Drink much water
- Don’t attempt to ‘hold it in once you got to urinate
- Urinate after sexual activity
- manage good hygiene (washing and changing clothes regularly)
- Wipe from front to back when using the restroom
Treatment for UTIs
Although very unpleasant, the symptoms often get away with the expanded consumption of water. If they are doing not, visit your GP who may prescribe antibiotics. Research suggests that ‘delayed prescriptions’ (given at the time of diagnosis for collection from the pharmacy up to seven days ahead) may reduce the utilization of antibiotics, successively helping to stop antibiotic resistance. Allowing a UTI to travel untreated can mean it spreads further up the track, eventually reaching the kidneys.
The first-line treatment for UTIs is that the antibiotic nitrofurantoin which is taken orally as tablets. If this doesn’t eliminate the infection, other antibiotics like fosfomycin and pivmecillinam could be used. So as to seek out an efficient treatment, a urine sample could also be taken to permit clinicians to grow a sample of the bacteria within the lab. They will then apply different antibiotic treatments to the present sample to ascertain which is best, before prescribing the simplest choice to the patient.
UTIs are common among women, and fewer frequently affect men too. Women are more susceptible to UTIs due to having a shorter urethra than men. This makes it easier for bacteria to succeed in the bladder. UTIs are caused by bacteria (usually Escherichia coli) entering the tract and multiplying there. They will affect your urethra (lower UTI, or cystitis), or in additional serious cases your bladder or kidneys.
The main symptoms are pain during urination and increased got to urinate and blood in your urine. The urine can also be cloudy and/or smelly. You’ll even have pain in your tummy and feel more tired than usual. Although very unpleasant, these symptoms often get away with the expanded consumption of water. If they are doing not, visit your GP who may prescribe antibiotics.
Children and babies with a UTI may wet themselves or their bed, or alternatively, deliberately hold in their got to urinate to avoid the pain. They’ll also appear generally unwell, with a fever and refusal to feed.
The overuse of antibiotics, and other people taking antibiotics that aren’t effective against their particular infection, both contribute to antibiotic resistance. The pain caused by UTIs is often very intense, but it's important to concentrate on your GP. They’ll recommend running tests that take a touch time so as to settle on the proper antibiotic for you.
Serious skin and deep tissue infections are caused by bacteria stepping into the body through broken skin. It might be broken thanks to an injury – a cut, sting, puncture wound – or through other openings, like piercing holes, surgical wounds, or medical equipment entry points.
People with diabetes (Type 1 or Type 2) can suffer from foot ulcers which will become infected. If you're a diabetic then essential foot hygiene can help keep off the likelihood of the foot becoming gangrenous. The bacteria that cause these infections live on the skin of all healthy people. Proper hygiene is vital at the least times, albeit you are doing not have any current wounds. If you are doing have wounds, however, it's especially vital that you simply keep them clean. There are an excellent many sorts of bacterial infections that will affect the skin, most of which may be easily treated with antibiotics.
Antibiotics only work against bacterial infections. This page doesn't cover accustom like ringworm or athlete’s foot (fungal), cold sores (viral), or scabies (parasitic), although these conditions can allow bacterial infections to require hold, too. For more instruction, visit the NHS page about common skin conditions.
Common bacterial infections of the skin and deep tissue, which are often generated by Staphylococcus or Streptococcus, include:
Impetigo, which affects the highest layer of skin (the epidermis). It is more common in children than adults and is very contagious.
Cellulitis, which affects deeper layers of skin and tissue (the dermis and subcutaneous tissue), and sometimes occurs in ulcers or surgical wounds. If it's not treated quickly and effectively it can rapidly spread to other parts of the body and cause life-threatening conditions like sepsis.
Methicillin-resistant Staphylococcus aureus (MRSA), a superbug that always starts as a little sore on the skin. If left untreated, the infection can quickly spread to the remainder of the body through the bloodstream. It’s easily spread and immune to penicillin-type antibiotics.
Other less common skin/tissue infections include the subsequent conditions:
Erysipelas, which affects the highest two layers of skin
Necrotizing fasciitis often called a ‘flesh-eating’ bacterial disease
Bacterial folliculitis, an infection of the follicle, or furuncles, which are an infection of a whole hair-growth unit, and carbuncles, which are groups of furuncles
Hot tub’ folliculitis is caused by Pseudomonas aeruginosa, which is usually found in water
Erythrasma – which occurs where skin touches the skin. It’s like an athlete’s foot so is usually misdiagnosed and treated with antifungals, which aren't effective against bacterial infections.
3. What are 5 diseases caused by bacteria?
Bacteria are fascinating organisms. They’re all around us and lots of are helpful to us. Bacteria aid in food digestion, nutrient absorption, vitamin production, and secure against other harmful microbes. Conversely, a variety of diseases that impact humans are generated by bacteria. Bacteria that cause disease are called pathogenic bacteria, and that they do so by producing poisonous substances called endotoxins and exotoxins. These substances are liable for the symptoms that occur with bacteria-related diseases. The symptoms may range from mild to serious, and a few are often deadly.
1. Necrotizing Fasciitis (Flesh-eating Disease)
Necrotizing fasciitis may be a serious infection most frequently caused by Streptococcus pyogenes bacteria. S. pyogenes are cocci-shaped bacteria that commonly colonize the skin and throat areas of the body. S. pyogenes are flesh-dining bacteria, producing toxins that destroy body cells, specifically red blood cells and white blood cells. This leads to the death of the infected tissue, a process referred to as necrotizing fasciitis. Other sorts of bacteria which will also cause necrotizing fasciitis include Escherichia coli, Staphylococcus aureus, Klebsiella, and Clostridium.
People develop this sort of infection most ordinarily by the doorway of bacteria into the body through a cut or other open wound within the skin. Necrotizing fasciitis isn't typically spread from person to person and occurrences are random. Healthy individuals with properly functioning immune systems, and who practice good wound care hygiene are at low risk for progress the disease.
2. Staph Infection
Methicillin-resistant Staphylococcus aureus (MRSA) is bacteria that will cause serious health issues. MRSA may be a strain of Staphylococcus aureus bacteria or Staph bacteria that have developed a resistance to penicillin and penicillin-related antibiotics, including methicillin. MRSA is usually spread through physical contact and must breach the skin—through a cut, for example—to cause an infection. MRSA is most ordinarily acquired as a result of hospital stays. These bacteria can adhere to varied sorts of instruments, including medical equipment. If MRSA bacteria gain access to internal body systems and cause a staph infection, the results might be fatal. These bacteria can infect bones, joints, heart valves, and therefore the lungs.
Bacterial meningitis is an inflammation of the careful covering of the brain and medulla spinalis, referred to as the meninges. This is often a significant infection that will cause brain damage and even death. A severe headache is that the commonest symptom of meningitis. Other symptoms include neck stiffness and high delirium. Meningitis is treated with antibiotics. It’s vital that the antibiotics start as soon as possible after infection to assist reduce the danger of death. A meningococcal vaccine can help prevent it for those that are most in danger of developing this disease.
Bacteria, viruses, fungi, and parasites can all source meningitis. Bacterial meningitis are often caused by a variety of bacteria. The precise bacteria that cause bacterial meningitis vary supported by the age of the infected person. For adults and adolescents, Neisseria meningitides and Streptococcus pneumoniae are the foremost common causes of the disease. In newborns, the foremost common causes of bacterial meningitis are B Streptococcus, Escherichia coli, and Listeria monocytogenes.
Pneumonia is an infection of the lungs. Symptoms include a high fever, coughing, and adversity breathing. While a variety of bacteria can cause pneumonia, the foremost common cause is Streptococcus pneumonia. S. pneumoniae typically resides within the tract and does not normally cause infection in healthy individuals. In some cases, the bacteria become pathogenic and source pneumonia. The infection typically begins after the bacteria are inhaled and reproduce at a rapid rate within the lungs. S. pneumoniae also can cause ear infections, sinus infections, and meningitis. If needed, most pneumonia features a high probability of cure with antibiotic treatment. A Pneumovax can help protect those that are most in danger of developing this disease. Streptococcus pneumoniae are cocci-shaped bacteria.
Tuberculosis (TB) is a communicable disease of the lungs. It’s typically caused by bacteria called tubercle bacillus. Tuberculosis is often deadly without proper treatment. The disease is spread through the air when an infected person coughs, sneezes, or maybe talks. In a number of developed countries, TB has increased with the increase of HIV infections thanks to HIV's weakening of the immune systems of infected persons. Antibiotics are wont to treat tuberculosis. Isolation to assist prevent the spread of a lively infection is additionally typical of treating this disease. Treatment is often long, lasting from six months to a year, counting on the severity of the infection.