March #33 : Thrush Gets Smart - by George M. Carter

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Reed Between the Lines

Hard to Swallow

The Beauty of Men

Soap Dish

Golden Girl

Lord of the Guys

Shakin' Baker

Don't Reign on Her Parade

Let's Make a Deal

The Rules

God Is Dead

Brain Storm

Drug-Free Zone

Phoenix Envy

Thrush Gets Smart

S.O.S.

The Award Goes To...

Absorbing Drama

Losing Lesions

The Tea Drinkers

New Old Story

Say Chi

AIDSpeak

Protease Inhibited

Hot And Bothered

Adhere Say

And For My Next Trick

Not For Sale



Most Popular Lessons

The HIV Life Cycle

Shingles

Herpes Simplex Virus

Syphilis & Neurosyphilis

Treatments for Opportunistic Infections (OIs)

What is AIDS & HIV?

Hepatitis & HIV


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March 1998

Thrush Gets Smart

by George M. Carter

Fungal infection resists fluconazole

The National Association of People with AIDS (NAPWA) has issued an alert about the overuse of fluconazole (Diflucan), a potent first-line therapy for many fungal infections. New research has found alarming signs that more PWAs are developing fluconaole-resistant strains of the fungus Candida. One study found that 26 percent of PWAs with CD4 counts under 200 had drug-resistant Candida. More frightening, French researchers recently found evidence of oral transmission of drug-resistant Candida from one HIV positive person to another. This may have serious implications for oral sex with women and deep kissing with anyone.

Candidiasis can grow in the mouth or throat (thrush), vagina (yeast infections), blood, intestines or other organs. It may cause vaginal or anal itching and distrupt intestinal function. Many physicians prescribe fluconazole as either primary prophylaxis (seeking to prevent a first occurence) or secondary prophylaxsis (after a first bout) against candidiasis.

The Centers for Disease Control and Prevention (CDC) argues that primary prophylaxis is usually not needed, since the disease is readily treated and not fatal. They also point to the high cost of the drug as a reason to avoid unnecessary long-term use.

The greatest concern, however, is that continuing prophylactic use of fluconazole may result in wide-spread resistance. True, less serious forms of candidiasis can be treated with various other medications or nutriotional therapies. But note that the main alternative for treating serious fungal infections isn't pretty: Intravenous amphotericin B can cause kidney damage and debilitating side effects (known as "shake and bake" to describe the intense fevers and chills).

Some practitioners would still recommend the use of fluconazole as prophylaxsis against both Candida and cryptococcal meningitis in those with CD4 counts below 50. What is not yet clear is whether the benefit of possibly preventing a more serious but fairly rare fungal infection (cryptococcal meningitis) outwieghs the costs and the risks of developing fluconazole-resistant candidiasis. Although so far fluconazole appears to remain effective against cryptococcal meningitis even in the presence of resistant Candida, some practitioners worry that this might change.

Ken Luby, a naturopathic physician with a large HIV practice in Toronto, Canada, says, The fear is that we may be throwing away the most effective oral antifungal drug we have—and one we might really need for serious infections—by using it when we don't really need to for more minor problems." Luby recommends avoiding prophylactic use of fluconazole unless one has serious or frequent bouts of candidiasis or vry low CD4s.

And for Candida overgrowth, drugs may not always be necessary. Luby says diet and supplement possibilities should always be considered. First, reduce intake of sugars, on which the yeast feed, inclduing sweets, fruit and fruit juices (see Home Remedies, POZ November 1996 and Diet, POZ December 1997). Other interventions that may help to fight the yeast include oregano extract (see Apothecary, POZ January 1998), grapefruit seed extract, garlic (see Apothecary, POZ September 1997) and acidophilus (see Apothecary, POZ August 1997). After all, why not save your big gun for when (and if) you really need it?




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