Fermented foods — food card: yogurt, kefir, pickles
Yogurt, ayran, kefir, sauerkraut and pickled cucumbers are an everyday part of the Azerbaijani table. Fermentation adds flavour and helpful bacteria, but during treatment those bacteria need care. This card explains the safer choices.

01Short answer
02Simple explanation
Fermentation is bacteria at work.
Pasteurised milk and sealed packs are safer.
Home ferments can be risky during neutropenia.
Probiotic capsules: only with your doctor.
03Scientific explanation
The LLS advises people with weak immunity to avoid unpasteurised dairy and home-fermented foods.
NCCIH reports that in people with serious illness or weak immunity, probiotics have rarely caused severe infections.
Salt: pickles are high in sodium, which during steroid treatment can affect swelling and blood pressure.
04What happens in the body?
What is safer?
Factory yogurt, kefir and ayran from pasteurised milk; pickles in sealed factory jars; sauerkraut after cooking.

What needs care?
Loose market yogurt, home kefir, kombucha and home pickles during neutropenia.

Cooking
Sauerkraut cooked in soup or a stew carries less risk.
Storage
Keep opened yogurt in the fridge and finish it quickly; throw away a swollen pack.
05Fermented food: four steps
Sealed, swap home ferments, cook, finish opened packs quickly.







06Key points at a glance
| Topic | In brief |
|---|---|
What is safer? | Factory yogurt, kefir and ayran from pasteurised milk; pickles in sealed factory jars; sauerkraut after cooking. |
What needs care? | Loose market yogurt, home kefir, kombucha and home pickles during neutropenia. |
Cooking | Sauerkraut cooked in soup or a stew carries less risk. |
Storage | Keep opened yogurt in the fridge and finish it quickly; throw away a swollen pack. |
07Key terms
- Fermentation
- Change of food by bacteria or yeast.
- Probiotics
- Live microorganisms thought to be helpful.
- Pasteurisation
- Heat treatment that kills germs.
- Kombucha
- A fermented tea drink.
- Neutropenia
- Low neutrophils.
08Key points
- Choose pasteurised dairy.
- Choose sealed factory packs.
- Be careful with home ferments.
- Probiotic capsules: with your doctor.
- Pickles are salty.
09Frequently asked questions
Can I eat yogurt?
From pasteurised milk in a sealed pack, usually yes; during neutropenia ask your team.
Can I drink kombucha?
It is not recommended during neutropenia.
Will probiotics help my gut?
Sometimes, but with weak immunity there is a risk; only with your doctor.
10Questions for your doctor
Take these questions to your appointment. The ones you save are collected on the “My questions” page and stay on this device only.
Can I eat yogurt?
Can I drink kombucha?
Will probiotics help my gut?
12Sources
- Leukemia & Lymphoma Society. Diet Guidelines for Immunosuppressed Patients
- U.S. FDA / USDA. Food Safety for Older Adults and People with Cancer, Diabetes, HIV/AIDS, Organ Transplants, and Autoimmune Diseases
- National Center for Complementary and Integrative Health (NIH). Probiotics: What You Need To Know
- National Cancer Institute. Eating Hints: Before, During, and After Cancer Treatment
- NHS. Probiotics
- USDA Food Safety and Inspection Service. Poultry: safe handling and preparation
- USDA Food Safety and Inspection Service. The Big Thaw — Safe Defrosting Methods
- NHS. Meat in your diet
- World Health Organization (WHO). Campylobacter — fact sheet
- European Food Safety Authority (EFSA). Salmonella
What needs care?
Cooking
Storage