Candida fungus or yeasts are natural, microscopic organisms that normally occur in mouth, digestive tract, vagina and rectum in small numbers. Sometimes due to several reasons these organisms proliferate and multiply abnormally in large numbers causing infection. Such infection which is caused due to overgrowth of yeast is known as yeast infection. Yeast infection is also known as Candidiasis as it caused due to candida fungus. 

Yeast infections typically affect moist and warm body parts like mouth, vagina, underarms and penis foreskin. It can also affect babies in diaper areas. Prolonged untreated yeast infection in weak immune patients can sometimes become systematic and may spread to other parts of body. Over 75 percent of people die if yeast infection becomes systematic and spread all over the body. Even mouth and vaginal infections can cause severe illness and complications if not treated soon properly. 

Mostly yeast infections are reported in women during their child bearing age. Vagina provides them ideal environment to grow and multiply during those hormonal changes. Almost 75 percent of women suffer with vaginal yeast infection at least once in their lifetime. Vaginal yeast infection is first recognized with itching and burning in vagina. An unpleasant, thick, whitish discharge is reported with itching and burning in many women. 

Second most common yeast infection is Oral yeast infection. Oral yeast infection affects tongue, inner cheek and cavity. Main cause of this infection could be poor cleaning habits or ill denture fittings. This type of infection is usually reported in elder people. 

Yeast infection is also very common in diaper bearing babies. Restricted air flow and wet environment allow yeast to multiply their numbers easily under diapers. Mothers usually delay diaper change after urination due to which the tender skin of babies get easily get infected by yeasts. 

By educating yourself with possible causes, symptoms and preventive measures about yeast infections you can eradicate any chances of getting affected with yeast infections and lead a healthy life.