There is no guaranteed way to prevent oral thrush, vaginal yeast infections, or the more serious forms of candidiasis from occurring. These infections are more likely to occur in HIV-positive people with compromised immune systems (less than 200 CD4 cells). Thus, one way to help prevent candidiasis from occurring is the keep the immune system healthy, such as by using antiretroviral drugs, reducing stress, eating right, and getting plenty of rest.
There is still some debate regarding the use of antifungal drugs to prevent candidiasis. There have been a few studies showing that fluconazole (Diflucan) can reduce the number of oral or vaginal fungal infections experienced by HIV-positive people with compromised immune systems. However, it may be possible that prolonged use of fluconazole—or any of the "azole" drugs—may lead to the development of drug-resistant Candida albicans. This can prevent the drugs from working correctly when they are most needed. Because of this, many doctors do not recommend that these drugs be used continuously to prevent candidiasis. However, the prolonged or continual use of antifungals may be the best option for people with a history of frequent outbreaks of oral thrush or vaginal yeast infections.
There are a number of health tips all HIV-positive people should consider to help prevent candidiasis:
Healthy Tips to Prevent Candidiasis
Watch your diet: It may be helpful to avoid foods high in sugar, dairy, yeast, wheat and caffeine. These types of ingredients are believed to promote fungal overgrowth.
Eat yogurt: Many experts also recommend eating lots of yogurt that contains Lactobacillus acidophilus, a "good" bacteria believed to keep Candida albicans in check. Not all yogurt brands contain this bacteria, so be sure the packaging says "contains Lactobacillus acidophilus."
Practice good oral hygiene: This includes brushing regularly, flossing, using an antiseptic mouthwash (e.g., Listerine), and reducing/eliminating the use of tobacco products such as chewing tobacco and cigarettes.
For vaginal yeast infections: To help reduce the risk of vaginal infections, wear loose, natural-fiber clothing and undergarments with a cotton crotch. Also, stay away from deodorant tampons and feminine deodorant sprays.
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