Candidiasis is an infection caused by a yeast-like fungus called Candida albicans. It can infect the mouth, vagina, skin, stomach, and urinary tract. About 75% of women will get a vaginal yeast infection during their lifetime, and 90% of all people with HIV/AIDS develop Candida infections. Oral infections, called oral thrush, are most common in infants, elderly people, and those with a weakened immune system.
Signs and Symptoms
Symptoms of candidiasis may include:
- Creamy white patches in the mouth or throat (oral thrush)
- Painful cracks at the corners of the mouth (oral thrush)
- Skin rashes, patches, and blisters found most commonly in the groin, between fingers and toes, and under the breasts
- Vaginal itching and irritation with a white discharge resembling cottage cheese (vaginal yeast infection)
What Causes It?
Normal amounts of Candida live in the mouth, stomach, and vagina, and do not cause infections. Candidiasis occurs when there is an overgrowth of Candida. Causes may include taking certain drugs (especially antibiotics, corticosteroids, and some birth control pills), pregnancy, being overweight, having a bacterial infection, or several different health conditions (for example, a weakened immune system, diabetes, and psoriasis).
What to Expect at Your Provider's Office
Many women know when they have a vaginal yeast infection, but if you are not sure, or if you have never had one before, you should visit your doctor. Your doctor may take samples for testing (for example, a vaginal wet smear) and do other tests, such as a CT scan or test of your stool if your doctor suspects the infection has spread.
Your doctor may prescribe antifungal medication and recommend that you change your diet. These treatments usually cure the infection. If you have many bouts of candidiasis, your doctor may test you for an immune deficiency or some other disease.
Many antifungal medications can treat candidiasis. Your doctor will prescribe a drug depending on your condition.
Antifungal medications. These include oral rinses and tablets, vaginal tablets and suppositories, and creams. For vaginal yeast infections, medications that are available over the counter include creams and suppositories, such as miconazole (Monistat), ticonazole (Vagistat), and clotrimazole (Gyne-Lotrimin). Your doctor may prescribe a pill, fluconazole (Diflucan). Side effects vary.
Creams combined with low-strength corticosteroids reduce inflammation and itching.
Most treatments last from 2 to 3 days to 2 weeks. Be sure to take all medicine exactly as prescribed. If you do not, the same infection could come back, or you could become infected with a new strain of Candida.
For severe candidiasis that could be life threatening to someone with a weak immune system, your doctor may prescribe an intravenous (IV) medication, amphotericin B.
Complementary and Alternative Therapies
Some studies suggest that reducing sugar in the diet may help prevent yeast infections. Other foods that some practitioners believe may contribute to candidiasis include dairy products and foods with high concentrations of yeast (cheese, peanuts, alcohol).
The "Candida diet" allows no alcohol, no simple sugars, no yeast, and very limited amounts of processed foods. It is not clear whether the diet actually gets rid of Candida or helps people feel better because it is a healthful diet.
Alternative therapies use natural antifungals or probiotics ("friendly" bacteria), as well as immune-strengthening therapies, to improve the body's ability to keep Candida in check. There is conflicting evidence about whether eating yogurt with live probiotic cultures every day can help prevent yeast infections, but it certainly does not hurt. Adding more garlic (fungicidal), nuts (essential fatty acids), whole grains (B vitamins), oregano, cinnamon, sage, and cloves (antifungal spices) to your diet may help avoid a yeast infection.
- Probiotics.Lactobacillus acidophilus or bifidobacterium to help restore normal balance of bacteria in the bowel and mucous membranes. Taking probiotics or "friendly bacteria" at the same time that you take antibiotics may help prevent a buildup of Candida, although the evidence is mixed. If you take drugs to suppress your immune system, ask your doctor before taking probiotics.
- Vitamin C, vitamin E, and selenium, help reduce inflammation and keep your immune system strong.
- Essential fatty acids. Helps reduce inflammation. A mix of omega-6 (evening primrose) and omega-3 (fish oil) may be best. It also helps to reduce animal fats in your diet and increase your intake of fish and nuts. Some essential fatty acids can increase the risk of bleeding, especially if you take blood thinners such as clopidogrel (Plavix), warfarin (Coumadin), or aspirin.
- B-complex: B1, B2, B3, B5, B6, B12, folate.
- Caprylic acid is another type of fatty acid that may have antifungal properties.
- Propolis, a natural substance created by bees from pine resin, has antifungal properties according to test tube studies. One study in humans showed that a special propolis preparation got rid of oral thrush in people who had denture stomatitis (mouth sores). People who are allergic to honey, or who have asthma, should ask their doctor before taking propolis. Propolis may potentially increase the risk of bleeding in people who take blood-thinning medications.
- Avoid overuse of antibiotics that kill the friendly bacteria that normally keep Candida in check. Talk to your doctor about the proper use of antibiotics, when they are needed, and when it may be safe to try alternative remedies first.
- In one study, a combination of bee-honey and yogurt has a high cure rate for candida among pregnant women.
The use of herbs is a time-honored approach to strengthening the body and treating disease. Herbs, however, can trigger side effects and can interact with other herbs, supplements, or medications. For these reasons, you should take herbs with care, under the supervision of a health care provider.
- Garlic (Allium sativum) has antifungal properties. Garlic may increase the risk of bleeding, especially if you also take blood thinners, such as clopidogrel (Plavix), warfarin (Coumadin), or aspirin. Garlic may interact with a number of medications, including those used to treat HIV.
- The juice of the herb echinacea (Echinacea purpurea) has been shown to help prevent recurrence of vaginal yeast infections. People with autoimmune diseases, such as lupus or rheumatoid arthritis, should not take echinacea. Echinacea may interact with a number of medications, so ask your doctor before taking it.
- Tea tree oil (Melaleuca alternifolia) has antifungal properties in test tube studies. In one study, it was effective in treating oral thrush when used as a mouthwash. Tea tree oil is toxic if swallowed, and should only be used as a mouthwash under your doctor's supervision.
- Pomegranate (Punica granatum) gel was shown to be about as effective as miconazole gel in treating oral thrush associated with denture stomatitis (mouth sores) in one scientific study.
Although few studies have examined the effectiveness of specific homeopathic therapies, professional homeopaths may consider remedies based on their knowledge and experience for treating candidiasis. Before prescribing a remedy, homeopaths take into account a person's constitutional type, includes your physical, emotional, and psychological makeup. An experienced homeopath assesses all of these factors when determining the most appropriate treatment for each individual. Some of the most common remedies used for candidiasis include:
- Borax. For bleeding oral mucosa, especially with diarrhea.
- Belladonna. For bright red, inflamed skin that is not raw or oozing, but is painful, especially with irritability.
- Chamomilla. For diaper rash, especially with irritability.
- Arsenicum album. For burning, itching rashes, especially with anxiety.
- Graphites. For thick, cracked skin (corners of mouth or heels).
- Kreosotum. For leukorrhea that causes itching and swelling.
You may help prevent another yeast infection by taking Lactobacillus acidophilus when you take antibiotics, wearing cotton underwear, maintaining good hygiene, and staying at the proper weight. Women should avoid douches, except when medically necessary, and vaginal deodorant.
Be sure to tell your health care provider if you are pregnant.
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- Last reviewed on 12/19/2015
- Steven D. Ehrlich, NMD, Solutions Acupuncture, a private practice specializing in complementary and alternative medicine, Phoenix, AZ. Review provided by VeriMed Healthcare Network.
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