list of common diseases and their symptoms pdf Sunday, March 14, 2021 3:40:24 PM

List Of Common Diseases And Their Symptoms Pdf

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A communicable disease is a disease that spreads from one person or animal to another. Pathogens such as viruses, bacteria, and fungi cause these diseases. A communicable disease is any disease that passes between people or animals.

Infectious diseases are disorders caused by organisms — such as bacteria, viruses, fungi or parasites. Many organisms live in and on our bodies. They're normally harmless or even helpful.

Everything you need to know about communicable diseases

A communicable disease is a disease that spreads from one person or animal to another. Pathogens such as viruses, bacteria, and fungi cause these diseases. A communicable disease is any disease that passes between people or animals.

A person may develop a communicable disease after becoming infected by the pathogen. This may happen through:. The individual may then begin to experience symptoms. Communicable diseases are usually mild, and symptoms pass after a few days.

However, some can be serious and potentially life threatening. Viruses are tiny pathogens that contain genetic material. Unlike other pathogens, they lack the complex structure of a cell. To replicate, they must enter the cells of other living beings. Rhinoviruses are a group of viruses that are responsible for the common cold.

Symptoms of a cold may include:. A person can catch a rhinovirus by inhaling contaminated droplets from the cough or sneeze of another person. Similarly, rhinoviruses spread by people touching their nose, eyes, or mouth after touching items or surfaces that have come into contact with the virus.

Influenza viruses are infections that attack the respiratory system. Some potential symptoms include:. HIV attacks the immune system of its host.

This makes the person vulnerable to other infections and diseases. A person can contract HIV as a result of contact with blood or other body fluids containing the virus. Although there is no cure for HIV, medications can help to keep the virus under control. Bacteria are microscopic, single celled organisms.

They exist in almost every environment on earth, including inside the human body. Many bacteria are harmless, and some help the body to function. However, bacteria can also cause infections that damage the body. Salmonella and Escherichia coli E.

They typically spread through contaminated foods , such as uncooked meats, and unwashed fruits and vegetables. Tuberculosis TB is a bacterial infection that primarily attacks the lungs.

It may cause the following symptoms:. However, the American Lung Association state that while TB is contagious, it does not easily spread from person to person. Fungi are a type of organism that includes yeasts, molds, and mushrooms. There are millions of different fungi, but only around cause harmful illnesses. Fungal infections can occur anywhere in the body, but they commonly affect the skin and mucus membranes. Some different types of fungal infection include:.

Ringworm is a common fungal infection of the skin. The characteristic symptom of ringworm is a red or silver ring shaped rash. It may be dry, scaly, or itchy. People may contract ringworm in the following ways through close contact with a person who has ringworm. Alternatively, they can catch it from sharing towels, bedding, or other personal items with a person who has ringworm. Without treatment, ringworm may spread to other parts of the body. It typically causes sore or itchy white patches between the toes.

Parasitic protists can cause various diseases. The protist Plasmodium causes the tropical disease malaria. The parasite can pass from person to person through mosquito bites. People can reduce their risk of contracting or transmitting disease causing pathogens by following the steps below:.

Some communicable diseases cause only mild symptoms that disappear without treatment. Others may cause severe symptoms, or potentially life threatening complications.

When a person receives a vaccine, they are receiving a dead or inactive form of the virus. The immune system responds by producing antibodies capable of killing an active form of the virus in the future.

If a person already has a virus, they may require antiviral medications to keep the virus under control. A person who has a bacterial infection may require a course of antibiotics to help control the infection. These drugs work by killing off the bacteria or preventing them from replicating. A severe or chronic fungal infection may require over-the-counter or prescription antifungal medications. These are available in both oral and topical forms. Communicable diseases are diseases that can pass from person to person.

The pathogens that cause these diseases can spread in various ways, such as through the air, contact with contaminated substances or surfaces, or from animal and insect bites. Many communicable diseases cause mild symptoms that go away without treatment.

Others require treatment to prevent them from becoming more serious. There are steps a person can take to reduce their risk of contracting and transmitting disease causing pathogens.

These include receiving available vaccinations, practicing regular hand washing, and maintaining good hygiene at home. Normal body temperature is around In this article, we look at normal body temperature ranges in…. Read on to learn about what it is and how long recovery takes. This article also covers the symptoms, causes, and diagnosis of…. A retainer is used to help preserve the shape of a person's teeth and gums as part of orthodontic work. However, it is important to clean them, as the….

Everything you need to know about communicable diseases. Medically reviewed by Jill Seladi-Schulman, Ph. Definition Types and symptoms Prevention Treatment Summary A communicable disease is a disease that spreads from one person or animal to another. What are communicable diseases? Share on Pinterest Communicable diseases can spread when people get close to each other. Types and symptoms. How to prevent transmission.

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What Are Airborne Diseases?

Foodborne illness is caused by consuming contaminated foods or beverages. Many different disease-causing microbes or pathogens can contaminate foods, so there are many different types of foodborne illnesses. Most foodborne diseases are infections caused by a variety of bacteria, viruses, and parasites. Other diseases are poisonings caused by harmful toxins or chemicals that have contaminated food. Of note many foodborne pathogens also can be acquired through recreational or drinking water, from contact with animals or their environment, or through person-to-person spread.

Jump to navigation. People with allergies have especially sensitive immune systems that react when they contact allergens. Because there are so many possible causes, the symptoms of allergies vary widely. Airborne allergens, like pollen and pet dander, are likely to cause:. In cases of a more extreme response, called anaphylaxis, symptoms are severe and life-threatening. The easiest and most effective way to treat allergies is to get rid of or avoid the cause.

Anhrax, a highly infectious and fatal disease of cattle, is caused by a relatively large spore-forming rectangular shaped bacterium called Bacillus anthracis. Anthrax causes acute mortality in ruminants. The bacteria produce extremely potent toxins which are responsible for the ill effects, causing a high mortality rate. Signs of the illness usually appear 3 to 7 days after the spores are swallowed or inhaled. Once signs begin in animals, they usually die within two days. Hoofed animals, such as deer, cattle, goats, and sheep, are the main animals affected by this disease. They usually get the disease by swallowing anthrax spores while grazing on pasture contaminated made impure with anthrax spores.


A to Z list of common illnesses and conditions including their symptoms, causes and treatments. A; B; C; D; E; F; G; H; I; J; K; L; M; N; O; P; Q; R; S; T; U; V; W; X; Y​.


Common Infectious Diseases

Learn about acute lymphoblastic leukaemia, a cancer of the white blood cells. Around three out of four childhood leukaemia cases are acute lymphoblastic. Learn more about acute myeloid leukaemia, an overproduction of myeloid white blood cells. Information about acute myeloid leukaemia, a type of blood cancer that can affect young people. Learn about the symptoms and treatments of generalised anxiety disorder GAD.

Also, visit our coronavirus hub for more information on how to prepare, advice on prevention and treatment, and expert recommendations. Airborne disease can spread when people with certain infections cough, sneeze, or talk, spewing nasal and throat secretions into the air. Some viruses or bacteria take flight and hang in the air or land on other people or surfaces.

Causes and Symptoms of Foodborne Illness

What you need to know

People with COVID have had a wide range of symptoms reported — ranging from mild symptoms to severe illness. Symptoms may appear days after exposure to the virus. This list does not include all possible symptoms. If someone is showing any of these signs, seek emergency medical care immediately:. Please call your medical provider for any other symptoms that are severe or concerning to you.

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Viestorloetens 17.03.2021 at 09:01

STG retains its purpose of identifying medicines that are considered essential for The guideline covers chapters of common diseases in Tanzania. a brief description of the topic, common clinical signs and symptoms of each disease, the.

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