What Is Chemotherapy — and Why Has It Been Advised?

You can. Chemotherapy requires your informed consent, and you have the right to say no, ask for more time, or ask for a second opinion before deciding. If you are not ready, tell your oncologist — a short delay to reach clarity is often manageable. What your oncologist will want you to understand is the likely consequence of waiting for your specific cancer, because timing matters more for some cancers than others. That conversation is one you are entitled to have fully and without pressure.

Hair loss depends on the specific medicines in your regimen — not all chemotherapy causes it. Some regimens cause significant loss, some cause thinning, and some cause none at all. Your oncologist will tell you what to expect from your specific regimen before you start. Where hair loss does occur, it is almost always temporary — hair typically begins to regrow after treatment ends.

Many people do, particularly when their work is not physically demanding. The days after each infusion tend to be the most tiring; many people plan lighter activity for those days and manage more normally in the later part of the cycle. What you can manage depends on your regimen and how your body responds. Some people reduce their hours, some take leave for the duration, and some continue normally — all are valid choices. Your oncologist can give you a realistic picture based on your specific regimen.

Curative chemotherapy is given with the aim of remission — no detectable cancer after treatment. Palliative chemotherapy aims to control cancer growth, relieve symptoms, and maintain quality of life, rather than attempt remission. Both involve the same clinical setting and sometimes the same medicines. The difference is the goal, established by your oncologist based on your cancer type, stage, and overall health. If you are not certain which applies to you, ask directly — it is one of the most important questions to have answered clearly.

Tell your oncologist and pharmacist everything you take before starting treatment — including medicines from other doctors, over-the-counter tablets, ayurvedic or herbal preparations, and vitamins. Some interactions are clinically significant: certain supplements and herbal medicines affect how chemotherapy is processed in the body, and some may reduce its effect or increase side effects. Your team needs to know so they can advise you safely. Be honest about everything you are taking — they are not there to judge, they are there to help you make treatment as safe as possible.

The number depends on your cancer type, your regimen, and how your cancer responds. Most regimens are planned across a set number of cycles, after which your response is assessed and the plan reviewed. Your oncologist will give you the planned number before you start — ask at your first appointment if it has not been explained. The plan may be adjusted if your cancer responds earlier than expected, or if side effects require a change.