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Medicine For Yeast Infections by Species

This report takes a look at modern medicine for yeast infections and their risks. I personally believe and practice natural and herbal therapies with almost all my health needs, preferring to use a doctor in surgical or extreme prolonged illness. The body if provided the necessary food based nutrients can usually almost always heal itself.


Nystatin is a naturally occurring anti-fungal agent derived from a filamentous bacteria (Streptomyces noursei). It is the most widely prescribed medicine for yeast infections and is extremely safe due to it being very poorly absorbed by the body. This poor absorption limits its effectiveness in many cases because it appears to be unable to eradicate yeast infections that are firmly entrenched in the lining of the digestive system. But, Nystatin is effective in reducing the symptoms of yeast infection caused diseases. It is also extremely effective as a diagnostic tool since you can take it for two weeks without any ill effects. If it gives you relief from the symptoms of your disease, then you most definitely have a yeast infection.


For example, lets assume you have Crohns disease or irritable bowel syndrome. These are two yeast related diseases that modern medicine has no identifiable cause? Have your doctor prescribe Nystatin and take it for two weeks as you practice the candida diet. If you have relief and show some improvement, then you have verified the cause of your disease. You can then continue on the Candida Diet and start herbal and natural therapies.

The Azole Drugs

The azole drugs including ketoconazole (Nizoral), fluconazole (Diflucan), and itraconazole (Sporanox) are medicine for yeast infections that have become quite popular in the treatment of vaginal yeast infections. These are powerful medicines for yeast infections that do have a few side effects that every one should be aware of. All three are completely absorbed by the digestive system and are associated with liver damage and sometimes kidney damage, which occurs in roughly 1 out of 100 individuals. Severe liver damage happens to about 1 in 10,000 and death has also been a result.

There doesn't appear to be any way of determining who is at risk and is likely to suffer these severe consequences. Researchers have not been able to find any common link to daily dose, therapy, age, sex, or any associative factor. I recommend using these drugs as a "last-ditch" effort if you have a chronic or systemic fungal infection due to the great risk.

The medicine for yeast infections known as Diflucan and Sporanox seem to be the safer of the Azole drugs. Diflucan appears to be more effective for treating chronic systemic candida albicans, candida parapsilosis and candida tropicalis. Sporanox seems to be more effective at treating infections that have skin and nail involvement. Many physicians will prescribe a combination of Nystatin and an azole drug in combination. The azole drugs are so well absorbed and reabsorbed by the body that the concentration in the intestine is too low to be effective. With Nystatin added, which is digestive system specific, very good results seem to be achieved.

Sporanox costs about $10 per pill and you take one to two per day as prescribed by your physician. Diflucan is $9.00 per pill and Nizoral about $6 per pill and is generally used for infections of the skin, most commonly dandruff. But very good success can be achieved for internal yeast as well.

Voriconazole is a newer azole class medicine for yeast infections that comes in a tablet form or can be used as an IV. It works well for candida albicans, candida parapsilosis, candida lusitaniae and candida tropicalis.

Posaconazole comes in a liquid form and works well against all species of candida including candida glabrata and candida krusei. These two strains of candida yeast are highly resistant to Diflucan.

The Enchinocandins

The Enchinocandins; Caspofungin, Micafungin and Anidulafungin are administered by IV. These drugs are not azoles but are classified in a class all their own. They work directly on the biofilm and cell wall of yeast resulting in cell death much like coconut oil. These medicines for yeast are the drugs of choice for candida glabrata and candida krusei.

Polyene Antifungals

Amphotericin B is a polyene antifungal that is used primarily for life threatening fungal infections and is given intravenously; and sometimes surgical removal of the infection is required. This is the drug of choice for rhodotorula yeast which I sometimes see on stool test results. It also works well for all species of candida except for candida lusitaniae.

When taking Amphotericin B for yeast infections it is important to be monitored for urea nitrogen, creatinine clearance and serum potassium levels. Any abnormalities should be rapidly dealt with. When taking these medicines for yeast infections it usually is a race to see how long the kidneys will hold out verses the infection. The fungal infection most often wins in many cases unfortunately because it can get so entrenched in the body.

Other Medicine for Yeast Infections

Some other medicines for yeast infection are FULVICIN-UF, GRIS-PEG, or Griseofulvin which is used to treat fungal infections of the skin, hair, fingernails, and toenails. Side effects can include diarrhea, nausea, gas, vomiting, fatigue, dizziness or insomnia as your body adjusts to the medication. If you develop a rash, hives, itching, increased sensitivity to sunlight, yellowing of eyes or skin, fever, soreness of the mouth/tongue/throat, notify your doctor at once.

Lamisil is another medicine for yeast infections that is used primarily on the skin. Side effects can include burning, redness or irritation the first few days as your body adjusts to the medication. If these symptoms continue or if you experience swelling, oozing or blistering, please contact your doctor as soon as possible.

Mycelex is a topical medicine for primarily skin yeast infections, although some doctors will prescribe it as an oral rinse for thrush or as a douche for vaginal yeast infection.

Written by Dan and edited for accuracy by Dr. Taylor

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Any questions about these medicines for yeast infections or if you would like to know which one might be best for you, you can contact me through the contact page of this website.

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