Fungistat Powder - Nystatin Candida Treatment for Birds

GeneRx TreatmentsSKU: 1059ME728

In stock, ready to be shipped from Texas


Shipping restrictions: This item cannot ship to California

Fungistat Powder is an antifungal which aids in the prevention and treatment of Candida (Sour Crop) fungus in finches, parrots, pigeons, and backyard chickens. Fungistat contains Nystatin, which is a proven and safe active ingredient, attacks the fungi at the source and can be given to many different species of birds. 

What is Candida in birds?

Candida is an environmental fungus that infects the bird's digestive tract. Often times making their crops smell 'sour', candida is the main reason for 'sour crop' infection in birds.  Many factors can lead to Candida as a primary infection such as contaminated water, diet (excessive sugar in food or fatty seeds that go rancid), long periods of treating with antibiotics such as Doxycycline, and a compromised immune system. Some symptoms of Candida, or sour crop, include a compacted or fowl-smelling crop, a crop full of mucus, fluffed feathers, lethargy, loss of appetite, and delayed emptying of the crop.

Key Benefits

  • An antifungal which aids in prevention and treatment of sour crop fungus
  • Contains 400,000 iu of Nystatin, a safe and effective ingredient against candida
  • Multi-bird species formula
  • Safe for chicks and young birds
  • Perfect to use on hookbills/parrots after a long treatment of Psittacosis
  • Is easily added to grain, soft food, and can also be cropped dosed in chicks, baby birds, and adult poultry
  • Resealable pack keep contents fresh, longer

Dosage Instructions

Pigeons/cage birds - Mix 1 teaspoon (5g) into 2.2 lbs of seed for 5 to 7 consecutive days. For proper mixture and adherence, adding a light oil into the grain before mixing Fungistat is highly recommended. 

Hand-reared birds - Mix 1/4 teaspoon (~1g) to 7 oz of soft food daily until symptoms are gone. 

Crop dosing chicks & poultry - Mix 1/4 teaspoon (~1g) per 0.7 fl oz (20ml) of water. Shake well and dose 1ml of mixture per 0.22 lb (100g) of body weight twice daily [or ~23ml per 5lbs of body weight].

Active Ingredient

400,000 iu of Nystatin per gram. 


100 g (3.5 oz) powder in resealable pouch.

* Disclaimer: This product is for pet birds only. Not for animals whose meat or eggs are intended for human consumption*

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Customer Reviews

Based on 2 reviews
Good product

Good product and easy to read and understand instructions.

Highly recommend in damp locations

Last summer was extremely wet here in the south and I had something spreading around the flock. Each chicken had sour crop and I wasn't sure if it was canker, wet pox, eating the mold and mushrooms that were out of control because of the soggy conditions. This helped all of them with sour crop so now I use this once a month in my chickens feed and it has helped prevent any further breakouts. Mix dry crumbles with some kickin' chicken liquid then add Fungistat powder, mix again and put into feeders. I mix enough to last them 3-5 days. And, unfortunately this summer is looking to be just as damp. Mold and mushrooms are popping up so I'm trying to keep that cleaned up and so happy to have this to keep our flock healthy!


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