Avoiding Infection — During the Low-Count Days
The days after each chemotherapy cycle when your white cell count is at its lowest — called nadir — are when an ordinary infection can become serious quickly. A few specific precautions make a real difference. Most of your normal life does not need to stop.
Medically reviewed by Dr. N. Kiranmayee, Medical Oncologist · Last reviewed September 2026
- Fever means call now — Any fever during nadir is a medical emergency until proven otherwise. Do not wait and see.
- Three things carry real risk — Crowded indoor spaces, sick visitors, and raw or undercooked food are the main things to avoid.
- Fresh air is safe — Going outside, gentle walks, and quiet outdoor activity are not dangerous — and are generally encouraged.
- Precautions are temporary — Once your counts recover, most restrictions lift. Your team will tell you when that is.
on Panel
Survival Rate*
Treated
(800+ reviews)
During nadir, your white cell count is at its lowest and any infection can become serious quickly. Avoid crowded indoor spaces, sick visitors, and raw or undercooked food. Fresh air and outdoor activity are generally fine. Any fever, chills, or sudden deterioration means call your team the same day — do not wait.
If a symptom below applies to you, do not wait for a callback. Call 1800-202-8726 or go to your nearest emergency department.
Where to find us
Our centres in and around Hyderabad
Addressed by landmark, because that is how this city navigates. Each centre also names the areas it serves, so you can place it without a map. Consultation and day-care Chemotherapy run at every one of them.
17+ senior cancer specialists. One panel for your case.
Trained at AIIMS, Tata Memorial, and leading international centres. Combined 150+ years of experience. Every complex case is reviewed by 3+ of them — together.
Dr. C. Raghavendra Reddy
MBBS(Gold Medal), DNB(General Medicine), DM(Medical Oncology)(Gold Medal)
Dr. Bharati Devi Gorantla
MBBS, MD(General Medicine), DM(Medical Oncology)(Adyar,Chennai), ECMO, MRCP SCE(UK)
Dr. Owais Mohammed
MBBS, MD (General Medicine), DrNB (Medical Oncology), ECMO, MRCP SCE (Medical Oncology) (UK)
Dr. Muralidhar Muddusetty
MBBS (AIIMS), MS (Surgery) (AIIMS), DNB (Surgical Oncology), MRCS (Edinburgh)
Dr. Vinay Mamidala
MBBS, MS(General Surgery), M.Ch(Surgical Oncology), FMAS, FARIS(Ongoing)
Dr. Vajja Sandeep Kumar
MBBS, MS (General Surgery), DrNB (Surgical Oncology), FALS Oncology
Want a specific doctor for your case? Mention them when booking.
Book Free ConsultationBook an appointment with our specialist
Share your name and number — we'll call you back within 30 minutes to schedule your consultation.
Not sure whether this counts as an emergency?
Call the helpline. It is always better to check than to wait.
What should you actually avoid during nadir?
Three things carry real risk: crowded indoor spaces where infection spreads easily, close contact with anyone who is visibly unwell, and raw or undercooked food. Busy markets, crowded public transport and large indoor gatherings are the specific settings to avoid. An outdoor walk, a quiet shop, or a brief visit to an open space is a very different level of risk.
For food, cooked is safer than raw, and freshly prepared is safer than food left out for hours. The main things to avoid are raw or undercooked meat, fish and eggs, unwashed fruit and vegetables, and street food that has been sitting out. A varied cooked diet does not need to become a severely restricted one.
Complete isolation is not what your team is asking for. Healthy visitors can come. You can go outside. Children at home do not need to leave unless they are visibly unwell themselves. The precautions are specific and time-limited — and when your counts recover, most of them stop.
What is over-cautious, and what genuinely helps?
| Situation | Worth avoiding during nadir | Generally safe — not necessary to avoid |
|---|---|---|
| Indoor spaces | Crowded buses, markets, malls, large indoor gatherings | Quiet outdoor walks, open-air spaces, small uncrowded shops |
| Visitors | Anyone with a cold, cough, fever, diarrhoea, or recent illness | Healthy visitors who are not currently unwell |
| Food | Raw or undercooked meat, fish, eggs; unwashed produce; food left out for hours | Well-cooked food, freshly washed fruit and vegetables, home-prepared meals |
| Children at home | A child who is visibly sick or has an active illness | Healthy children living at home — no need to send them away |
| Going outside | Crowded indoor public spaces during peak nadir | Fresh air, garden, quiet neighbourhood walks — encouraged |
| Religious visits | Crowded indoor temple or ceremony during peak nadir | Quiet early visit, brief outdoor prayer, worship at home |
| Typically starts | A few days after each chemotherapy cycle — your team will tell you the expected window for your regimen | Counts recover as the cycle completes and you approach your next infusion |
Explore 69 more Blood Counts, Infection, Fever & Emergencies topics
Low White Cells, Neutropenia & Infection
- A Printable Neutropenia Safety Card
- Avoiding Infection During the Low-Count Days
- Bone Pain After Growth Factor Injections
- Can You Go Out When Your Counts Are Low?
- Foods That Are Said to Raise White Cells
- Getting to Hospital Fast From a District
- Growth Factor Injections to Raise Your Counts
- How to Take and Record a Temperature Properly
- Low White Cell Count During Chemotherapy
- Neutropenia in Children on Chemotherapy
- Neutropenic Fever: A Medical Emergency
- Preventive Antibiotics During Chemotherapy
- Recovering Counts Between Cycles
- Should You Take Paracetamol for a Fever?
- Signs of Infection to Watch For
- Understanding Your Blood Count Report
- Visitors When Your Counts Are Low
- What Happens When You Go In With Neutropenic Fever?
- What Is Neutropenia?
- What Is an Absolute Neutrophil Count?
- What Temperature Means You Must Go to Hospital?
- Which Days Are You Most at Risk of Infection?
Blood Transfusion & Donor Arrangement
Emergencies & Red Flags
- A Printable Emergency Action Card
- Bleeding That Will Not Stop
- Breathlessness: When It Is an Emergency
- Chemotherapy Emergencies: The Complete Red-Flag List
- Chest Pain During Chemotherapy
- Confusion, Drowsiness or Fits
- Emergency Contacts: Who to Call and When
- Fever: The Number One Emergency
- Going to a Different Hospital in an Emergency
- Leg Swelling and Calf Pain
- Not Passing Urine or Passing Very Little
- Problems With Your Port or Line
- Severe Mouth Pain Stopping Fluids
- Severe Pain That Is Not Controlled
- Swelling of the Face, Lips or Throat
- Uncontrolled Vomiting or Diarrhoea
- What to Keep Ready at Home for an Emergency
- When to Call the Helpline vs Go Straight In
Fever During Chemotherapy
- A Printable Fever Action Plan
- Can You Wait Until Morning With a Fever?
- Fever After the Course Has Finished
- Fever During Chemotherapy: What to Do Right Now
- Fever When You Cannot Reach Your Team
- Fever With Chills and Rigors
- Fever With No Other Symptoms
- Fever in a Child on Chemotherapy
- How Long Will You Be Admitted for a Fever?
- Is 99, 100 or 101 Degrees an Emergency?
- Preventing Infection to Avoid Fever Episodes
- What to Carry to Hospital With a Fever
- What to Tell the Hospital When You Call
- Why Fever Is Treated as an Emergency
HUB — Low Blood Counts, Infection and Fever During Chemotherapy
Infection Prevention at Home
Low Platelets & Bleeding
- A Printable Bleeding Red-Flag Card
- Arranging Platelet Donors
- Bleeding Gums and Nosebleeds
- Bruising Easily During Chemotherapy
- Dental Work and Procedures With Low Platelets
- Everyday Precautions With Low Platelets
- Foods That Are Said to Raise Platelets
- Low Platelets During Chemotherapy
- Painkillers to Avoid When Platelets Are Low
- Platelet Transfusion: What to Expect
- What Platelet Count Is Dangerous?
Vaccination During & After Chemotherapy
Still not sure what applies to you?
Send your reports across and a senior medical oncologist will go through what they mean, what is known, and what the options actually are.
Frequently asked questions
Can my family and visitors stay at home with me during nadir?
Healthy family members can live and spend time with you as normal — you do not need to isolate from them. The people to keep some distance from are those who are visibly unwell: a cold, a cough, diarrhoea, or a fever. Ask them to wait until they have recovered before coming close. Children at home do not need to leave, but if a child comes back from school with an obvious illness, it is sensible to limit close contact until they recover.
Is it safe to visit the temple or attend a religious function during nadir?
A quiet, uncrowded visit carries a different level of risk from a large indoor gathering. Religious routine matters, and there is no need to give it up entirely. The practical question is how crowded and ventilated the space will be. An early-morning visit when the temple is quiet, a brief outdoor gathering, or prayer at home are all reasonable ways to keep the practice without the added exposure of a packed indoor crowd during peak nadir.
What foods should I avoid when my counts are low?
The clearest risks are raw or undercooked meat, fish and eggs, unwashed raw produce, and street food that has been sitting out for a long time. Well-cooked food and freshly washed fruit and vegetables are safe. You do not need a severely restricted diet — the goal is avoiding obvious sources of bacterial contamination, not eliminating variety from your meals. If you are unsure about a specific food, ask your oncology team or the clinic dietitian.
How will I know when nadir is over and I can return to normal?
Your blood counts are checked regularly through your treatment cycle, and your team will tell you when they have recovered to a safe level. The timing depends on your specific chemotherapy regimen, which is why your own count result is more useful than any general answer. Until you hear that counts have recovered, keep the precautions in place. Once you are told they have, most restrictions are no longer needed and normal activity can resume.
Chemotherapy Topics
Browse our complete chemotherapy guide — 1133 pages on side effects, medicines, cost, daily life and care in Hyderabad. Tap any topic to read more.