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Cancer treatment can ask a lot of you. There are appointments to attend, information to take in, decisions to make and, often, a great deal of new, uncomfortable experiences to carry.

There are the changes you experience between appointments which affect the quality of your daily life. Cancer treatment can also bring a lot of uncertainty, grief and exhaustion that makes an ordinary day feel demanding.

Chemotherapy, radiotherapy, immunotherapy, hormone therapy and other cancer treatments can cause side effects because they affect not only cancer cells but, depending on the treatment, healthy cells and normal body processes too. These experiences are different for everyone, however these changes can be difficult in ways that are not always easy to explain.

Some people experience very few side effects. Others may experience several at once or as their treatment continues. Three of the symptoms patients commonly worry about are fatigue, hair loss and nausea.

Although these symptoms can be difficult, there are practical ways to manage them — and you do not have to simply accept severe symptoms as something you must endure. Your oncology team can often adjust supportive treatment, investigate other causes and help you find strategies that make day-to-day life more manageable.

The Impact of Cancer Treatment on Healthy Cells

Cancer treatments are sent through your system to target and kill off irregular cells and are often working throughout your whole body. Due to the nature of the treatment, they can’t always tell the difference between a cancer cell and a healthy, fast-growing one. This process is what causes many cancer side effects.

Some of the most commonly affected areas include:

• Hair follicles: The cells here grow fast, which is why some treatments can cause hair to thin or fall out.
• The lining of your mouth and digestive tract: When these cells are affected, you might experience mouth sores, nausea, or diarrhea.
• Bone marrow: This is the factory for your blood cells. Disruption here can lead to fatigue (from low red blood cells), a higher risk of infection (from low white blood cells), and bruising (from low platelets).
• Increased risk of infection: Your bone marrow produces white blood cells that fight infection. When chemo affects the marrow, your white blood cell count can drop, leaving you more vulnerable.

Your symptoms depend on factors such as the medicines you receive, your treatment schedule and your individual health. Understanding what might happen and knowing what can help, gives you a starting point. It also helps you recognise when a symptom needs more than a home remedy or another early night.

It’s critically important to remember that every person and every treatment is different. Today’s therapies are more targeted than ever, and managing side effects is a central part of your care plan from day one.

What Really Helps the Top 3 Symptoms of Cancer Treatment?

You may feel frustrated that your body cannot do what it used to, uncomfortable with changes in your appearance, or simply tired of having to think about your health all the time.

You do not have to feel positive about every part of this experience. You don’t have to find a lesson in every difficult day, either. What you deserve is clear information, appropriate medical support and practical ways to make the days ahead a little more manageable.

Fatigue: When Rest Doesn’t Seem to Fix Your Exhaustion

It goes without saying that cancer-related fatigue is different from ordinary tiredness after a busy day. It can feel like a deep physical and mental exhaustion that does not completely improve after sleeping or resting.

It may affect the way your body moves, your levels of concentration and your emotions, and it does not always improve after a good night’s sleep. It can make familiar tasks, such as preparing a meal, showering or answering messages, feel unexpectedly difficult.

Fatigue can come from the cancer itself, treatment, anaemia, pain, poor nutrition, sleep problems, emotional distress, infection, medications or several of these factors occurring together.

Persistent fatigue should be discussed with your healthcare team rather than automatically being attributed to treatment.

Prioritising Healing Can Help You Stay Going

Prioritise Rather Than Push Through

Make energy a resource, not a test of willpower. You may not have the same energy every day. Try identifying the one or two things that matter most and genuinely need to happen that day. Let less important tasks wait or delegate them to the helpers in your support system.

Break larger tasks into smaller actionable steps, sit down when possible, and spread demanding activities across the week. A meal that takes five minutes to prepare or comes out of the freezer is a perfectly reasonable choice on a low-energy day.

Plan Around Your Patterns

Plan around your own energy and event patterns. If you notice that you have more energy in the morning, use that time for activities that require concentration or movement.

If you tend to feel better at a particular time of day, use that window for a priority task or a short visit with someone you care about, do something you need to or manage your task list as you see fit.

Keep less demanding activities for times when your energy dips. Your pattern may change between treatment sessions, so give yourself permission to adjust. If everyday is different, take it as it comes.

Rest Before You Reach Your Limit

Planning your day and delegating tasks helps you to get an idea of areas you may need more support and more time to complete tasks. Short, planned breaks may be more useful than pushing until you are completely depleted.

If naps or consistent breaks during the day interfere with your sleep at night, discuss a more suitable rest routine with your healthcare team.

Keep Moving, Within Your Limits

It can feel counterintuitive to exercise when you are already exhausted, but appropriately prescribed physical activity can help reduce cancer-related fatigue.

Research involving people undergoing chemotherapy has found a positive effect from low- to moderate-intensity aerobic and resistance exercise, although the appropriate level depends on the individual’s health and treatment (Bower et al., 2024).

When your oncology team confirms that it is safe, a short walk, gentle stretching or a tailored exercise programme may help reduce cancer-related fatigue. The right level depends on your strength, symptoms and treatment.

This is not the time to force yourself through a workout. This could mean a short walk, gentle stretching or a supervised exercise programme rather than an intense workout.

Eat And Drink Regularly

Dehydration and inadequate nutrition can make fatigue worse.

Eat small, frequent meals (5 to 6 times a day) instead of 3 large plates. Eating nutrient-dense, high-calorie foods in small, frequent meals helps chemotherapy patients maintain energy and weight.

Keep easy snacks nearby (crackers, applesauce, nuts, or a banana) so you can fuel up whenever you have a small window of appetite or have trouble eating bigger meals due to diarrhea, constipation or mouth sores.

Prioritize food safety—wash all fruits and vegetables thoroughly, avoid raw or undercooked meats and eggs, and skip unpasteurized dairy since chemotherapy can lower your immune defenses.

Check with your oncology team before taking supplements. Always consult your oncologist before adding high-dose vitamins, iron pills, or herbal energy boosters.

Tell Your Doctor If Fatigue Is Affecting Your Life

Severe or worsening fatigue may have a treatable cause. Fatigue can also be worsened by issues such as anaemia, pain, disrupted sleep, infection, emotional distress or medication effects.

Tell your team if it is new, worsening or interfering with daily life. They may be able to identify and treat a contributing cause.

Hair Loss: Preparing for a Visible Change

Hair loss can be one of the most emotionally difficult side effects of cancer treatment. For some people, hair becomes thinner. For others, hair from the scalp, eyebrows, eyelashes and other areas of the body may be affected.

Chemotherapy-induced hair loss occurs because some chemotherapy medicines affect rapidly dividing cells, including the cells responsible for producing hair. Not every chemotherapy drug causes complete hair loss, and the degree of hair loss depends on the specific medicine, dose and treatment combination.

Hair loss is often discussed as though it is a simple cosmetic change. For some people, it is. For others, it can affect identity, privacy, confidence and the way they feel when they look in the mirror. It may also make an illness more visible to people you have not chosen to tell.

It is completely reasonable to have feelings about this. Hair can be closely connected to identity, femininity and how you see yourself.

There is no correct way to feel about it. You may want to shave your head, try a wig, wear a scarf, leave your hair uncovered or change your mind from one day to the next. All are valid choices and there are many ways to make you more comfortable.

What Can You Do About Hair Loss?

Ask About Hair Loss Before Treatment Begins

Your oncology team can tell you whether your particular treatment is likely to cause significant hair loss. Knowing what to expect can make the change less frightening. Deciding what you want to prepare for and what you would rather leave until later can be a weight off your shoulders.

There are a variety of solutions to keep your life, treatment and overall mentality supported. You do not need to make every decision in advance and you can totally find one that works for you.

Consider Cutting Your Hair Shorter Beforehand

If hair loss is likely, you might explore scarves, hats or wigs before treatment begins.

Some people prefer to cut their hair shorter first to accommodate for shedding and loss. Others prefer keeping their hair unchanged for as long as possible. Others find that knowing their options is enough, they will deal with it as it progresses.

There is no “right” choice. You know yourself and your body, the only right choice is one that you feel is right for you.

Be Gentle With Your Scalp And Remaining Hair

Avoid unnecessary heat, harsh chemical treatments, tight hairstyles and aggressive brushing. A gentle shampoo and conditioner, along with a soft drying towel can help reduce irritation.

Choose mild products, avoid harsh chemical treatments and minimise heat styling or tight hairstyles. If your scalp becomes tender, dry or irritated, ask your healthcare team which products are suitable to tend to this.

Regrowth is common after chemotherapy, but the timing, texture and amount can vary. Some treatments can cause longer-lasting changes (Wikramanayake et al., 2023).

Explore Scalp Cooling If It Is Appropriate For Your Treatment

Scalp cooling, sometimes called a cold-cap system, reduces blood flow to the scalp during chemotherapy and may reduce the amount of chemotherapy reaching hair follicles.

Evidence suggests that scalp cooling can reduce significant chemotherapy-induced hair loss in some patients. A 2024 systematic review and meta-analysis involving 2,179 patients receiving taxane-based chemotherapy found that approximately 61% experienced less than 50% hair loss with scalp hypothermia, although effectiveness varies according to treatment and individual circumstances (Wikramanayake et al., 2023). .

Scalp cooling is not suitable for everyone or every cancer treatment, so ask your oncology team whether it is an option for you.

Think About What Would Make You Feel Most Comfortable.

A wig, scarf, hat, headwrap or simply going without a covering are all valid choices. You can also prepare eyebrows and eyelashes with gentle cosmetic alternatives if you want to.

Most importantly, hair loss is a treatment side effect — not a measure of how well you are coping or how strong you are.

Nausea: You Don’t Have To Suffer

Nausea and vomiting can occur during or after some cancer treatments, particularly certain chemotherapy regimens.

The good news is that there are effective medications specifically designed to prevent and control treatment-related nausea and vomiting. Your oncology team may prescribe anti-nausea medication before treatment and advise you on what to take afterwards.

Take these medicines exactly as prescribed rather than waiting until nausea becomes severe.

Practical Ways To Manage Nausea Symptoms

Eat smaller meals more frequently.

A completely empty stomach can sometimes make nausea worse, while large meals may feel overwhelming. Small portions throughout the day may be easier.

Choose foods that are easier to tolerate.

Dry crackers, toast, rice, potatoes, plain pasta, bananas, soup or other simple foods may be easier when nausea is strong. However, there is no universal “cancer diet” — focus on foods you can tolerate and that help you maintain adequate nutrition.

Keep fluids going.

Take small, frequent sips of water or other tolerated fluids rather than drinking a large amount at once. If vomiting or diarrhoea is significant, speak to your healthcare team because dehydration and electrolyte disturbances may require medical attention.

Pay attention to smells.

Strong food smells can trigger nausea. Cold or room-temperature foods may sometimes be easier because they generally have less aroma than hot foods.

Try Ginger Only After Discussing It With Your Treatment Team.

Ginger is often suggested for nausea, but the evidence specifically for chemotherapy-induced nausea is mixed. A recent MASCC/ESMO guideline found insufficiently consistent evidence to recommend ginger as an additional treatment to standard anti-nausea medication.

In other words, ginger tea may be something you personally find soothing, but it should not replace prescribed antiemetic treatment.

From the Consultation Room

Side effects can bring up questions that are difficult to remember during an appointment, especially when you are already processing a lot of information.

Here are four common concerns we’ve been helping patients with that are worth discussing with your oncology team.

“Should I be worried if I feel exhausted all the time?”

Some fatigue is common during cancer treatment, but you should not have to struggle through it without support.

Let your healthcare team know if you are finding everyday tasks difficult, if the exhaustion is getting worse or if rest does not seem to help. They can assess whether other factors, such as anaemia, infection, pain or sleep problems, may be contributing.

“Will my hair grow back after chemotherapy?”

Hair often begins to grow back after chemotherapy ends, although the timing and texture can vary. Some people notice changes in thickness, curl or colour as their hair regrows, and certain treatments can cause longer-lasting hair loss.

If hair preservation is important to you, ask about scalp cooling before treatment begins, as it is not suitable for every treatment or situation.

“What can I eat when everything makes me feel nauseous?”

Start with what feels manageable rather than forcing yourself to eat a full meal. Small, frequent portions, plain foods and cool or room-temperature meals may be easier for some people.

Sip fluids regularly if you can, and take prescribed anti-nausea medication exactly as directed. If nausea persists, you are vomiting repeatedly or you cannot keep fluids down, contact your oncology team rather than trying to manage it alone.

“When should I contact my doctor about side effects?”

Contact your oncology team if symptoms are worsening, your medication is not controlling nausea, fatigue is interfering with daily life or you are struggling to eat and drink. A fever during cancer treatment can be an emergency.

Follow the temperature threshold and urgent-care instructions provided by your treatment centre, and seek urgent medical advice if you develop a fever, cannot keep fluids down, pass very little urine, feel confused or experience severe or sudden symptoms.

When Should You Contact Your Healthcare Team?

Do not wait until your next appointment if side effects become difficult to manage.

Remember:

You do not need to wait until a side effect becomes unbearable to bring it up. Keeping a short note of your symptoms, when they occur and what helps can make it easier to get the right support.

Contact your oncology team and/or your emergency department if:

• You are repeatedly vomiting or cannot keep fluids down – you are at risk for dehydration, degradation and are open to infections.
• Your nausea is not controlled by your prescribed medication.
• You are becoming increasingly weak, dizzy or confused – any sudden or concerning change in your mental state or a new, unusually intense headache needs to be reported right away.
• You develop a fever or other signs of infection – A fever of 100.4°F (38°C) or higher is critical to get assessed, especially if your treatment has lowered your white blood cell count to a concerning level (a condition called neutropenia).
• You experience shaking chills: uncontrollable shaking or chills, even without a fever, can also be a sign that your body is fighting hard against an infection.
• You are struggling to eat or drink enough and are not feeling you have an appetite – not related to nausea.
• Fatigue is suddenly much worse or is stopping you from performing basic activities.
• You notice significant bleeding or other unexpected symptoms.
• A side effect is causing significant emotional distress and your days are consumed by it.
• Sudden or severe shortness of breath – at any point if you’re suddenly struggling to breathe, can’t seem to catch your breath, or feel new chest pain, it could mean a lung issue like inflammation (pneumonitis) or even a blood clot. You need to be treated for this before it becomes problematic.

Your healthcare team needs to know what you are experiencing. Reporting side effects does not mean you are “complaining” or failing at treatment — it gives them information they can use to support you more effectively.

Why These Symptoms Are So Urgent

It helps to understand why these specific symptoms are so critical. For instance, a fever during chemo isn’t like the flu you might have had last year. With a suppressed immune system, your body’s ability to fight off bacteria is drastically lowered. A simple infection can become life-threatening in a hurry without antibiotics.

In the same way, severe diarrhea or vomiting is more than just uncomfortable. It can quickly lead to dangerous levels of dehydration and throw your electrolytes out of balance, which can strain your heart and kidneys. When you call us, we can get you started on treatments like IV fluids or medications right away to get you back on track.

The Maxima Takeaway

Cancer treatment can be physically demanding, but the experience is not only physical. Changes to your energy, appearance, appetite and independence can affect how you feel about yourself and your everyday life. It is okay to need support.

Build a small support system around practical things: meals, transport, appointments, childcare, household tasks or simply having someone nearby on difficult days.

Remember that side-effect management is part of cancer care. You should not feel that you have to quietly endure symptoms that are affecting your quality of life.

From Treatment to Taking Care of You

At Maxima Women’s Health, we believe good healthcare includes understanding what is happening to your body, knowing what your options are and having the confidence to ask questions.

Cancer treatment can be challenging, but severe side effects should not simply be endured. Talk to your healthcare team early so symptoms can be assessed, treated and managed alongside your cancer care.

Need support understanding changes in your health or treatment?

Start the conversation with your healthcare provider — knowing what to ask is an important part of taking care of yourself.