Please choose the correct ending to complete the given sentence: Health: [header] How to treat thrush [title] Know what causes thrush. [step] Thrush, or oral candidiasis, is caused by an overgrowth of a type of fungus, or yeast, called candida albicans. Candida is a normal part of the body.

Ending1: Topical treatments are usually reserved for not-all cases. The fungus goes deep into the body and then dies off. Ending2: [substeps] Candida albicans is naturally found throughout the gastrointestinal tract, including the mouth. Candida is also a normal resident of the skin. Ending3: Also, when ingested in sick adults it causes some harmless changes (like skin tissues drying out, ulcers) that gradually lead to weight loss. People with a lot of candida are symptomatic of thrush. Ending4: It can produce growth hormones (bv). In this condition, the fungus is not present, but an imbalance of bacteria is added in the same way that fungus does.

Answer format: ending1/ending2/ending3/ending4