Human child cold flu illness tissue blowing nose
Communicable diseases causes and symptoms. Communicable diseases include cold, hepatitis, pertussis, conjunctivitis and HIV/AIDS. These diseases can be transmitted from one person to another. It is caused by pathogens. Pathogens can be virus, bacteria, parasites and fungus.
Transmission of pathogens can be by touch of the infected person. Touch include with mucus, blood, breath, saliva and sexual contact. There are several communicable diseases. If one person is affected with any type of communicable disease then there is maximum possibility to infect other.
Here we will discuss about the different types of communicable diseases. Like common cold, hepatitis, AIDS, whooping cough etc.
Common cold is a communicable disease of respiratory tract. It mostly affect an upper respiratory tract. Causative agent is virus.
Disease is transmitted by infected airborne droplets or by direct contact with infected person. If droplets present on non- living things like keyboard, pen, table top or bottle etc. then it can also spread.
Cough and runny nose
Body ache
Sore throat
Sneezing
It is also called as pink eye. Disease caused by either bacteria or virus. Conjunctivitis is an inflammation of the conjunctiva of the eye. Conjunctiva is the white part of the eye.
Itchy eyes
Burning eyes
Blurred vision
Increased sensitivity to light
Strep throat is a communicable disease caused by bacteria. It is most common in children, but also affects people of all ages. In this you feel sore throat and scratchy.
Fever
Rash
Headache
Throat pain
Painful swallowing
Red and swollen tonsils
Swollen, tender lymph nodes in neck
It is an inflammation of the lining of the intestines caused by a virus, bacteria or parasite. It spreads by sharing food or eating and drinking from contaminated utensils.
Watery diarrhoea
Stomach pain
Abdominal pain
Vomiting
Fever
Nausea
Headache
Read also: Vomiting home remedies and causes
Hepatitis is a viral communicable disease of the liver. There are three types of hepatitis are hepatitis A, hepatitis B and hepatitis C. Fatal conditions of hepatitis are cirrhosis ( liver cancer) and liver failure.
Transmission of disease can be by
Excessive alcohol consumption
Infected blood transfusion
Taking contaminated food or water
Contaminated vaginal secretions, semen or unprotected sex
Yellow skin and eyes
Abdominal pain
Dark urine
Read also: Your Urine Colour Tell You About Your Health?
Pale stool
Loss of appetite
Fatigue
Weight loss
Read also: Bad liver conditions means Hepatitis
It is a highly communicable disease that affects all ages. It infects nose and throat and mostly caused by bacteria.
Sneezing
Runny nose
Mild coughing
Gonorrhoea is a sexually transmitted communicable disease caused by bacteria. Neisseria gonorrhoea is the bacteria. It infects or spreads to eyes, throat, urethra, vagina, anus and female reproductive tract.
Read also: Vaginal white discharge types with easy treatments
Disease can be transmitted by unprotected oral, anal or vaginal sex. Or having multiple sex partners.
Frequent urination
Pain or burning during urination
Sore throat
Abdominal pain
Vaginal discharge and heavy periods (in female)
Penis discharge and swelling of penis (in male)
Read also: Sexually transmitted diseases, causes and symptoms
HIV causes AIDS which is communicable disease. AIDS caused by virus name human immunodeficiency virus. It spreads through unprotected sex, use of contaminated needle or infected blood transfusion. Having multiple sex partners.
HIV can also transfer from mother to foetus in the womb. Early symptoms are fever, chills and sore throat. Weakness, joint and muscle pain are also symptoms.
Read also: World’s AIDS Awareness day 1st December
Dry cough
Night sweats
Blurred vision
Chronic diarrhoea
Fever for weeks
Shortness of breath
Swollen glands for weeks
Unintentional weight loss
White spots on the tongue or mouth
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