Taking Oral Chemotherapy Safely at Home

A tablet feels less serious than a drip in a hospital chair. It is not. Oral chemotherapy is as strong as the intravenous kind, and most of these drugs are classed as hazardous. What changes is who is responsible for getting it right. That job moves from a nurse in a monitored infusion suite to you, in your kitchen, on an ordinary Tuesday.

That shift is why the practical details below matter.

Your team will give you a schedule. It may not be as simple as "one a day". Many oral cancer drugs run in cycles, such as two weeks on and one week off. Some must be taken with food, or specifically without it, at set intervals.

Get the following clear before your first dose, in writing:

• the exact times of day, and whether food is involved
• how many days on, how many days off, and the date each cycle restarts
• whether the tablet can be crushed, split, or opened, which for many is a firm no
• which other medicines, supplements, and foods to avoid

Grapefruit interacts with a number of these drugs. So do some antibiotics, some antifungals, and over-the-counter acid reducers. Check before adding anything, including herbal products.

Do not take two doses to make up for one. Doubling up is a common instinct and a real risk. Call your team or specialty pharmacy and ask. The right answer depends on the drug and on how many hours have passed.

If you vomit soon after a dose, do not automatically retake it. Ask.

Studies of oral cancer drugs consistently find the same thing. A substantial proportion of people miss doses, take them at the wrong time, or stop early. The reasons are ordinary ones. Nausea. Mouth soreness. Forgetting. Confusion over a cycle schedule. A refill that did not arrive. A copay that was unaffordable that month.

Concealing it is the one response that does harm. If your team believes you took every dose, they may misread a side effect. They may misread a scan. They may change your treatment based on something that never happened. Say plainly what you took and what you did not.

Keeping a simple diary, on paper or in your phone, makes that conversation easy. Note the dose, the time, and anything you skipped.

Keep the drug in its original labeled container. Do not leave it loose, and do not mix it into a family pill box unless your team has agreed. Store it at room temperature, away from heat, steam, and damp, which rules out most bathroom cabinets. Keep it out of direct sun unless told otherwise.

Keep it well out of reach of children and pets. A locked box is reasonable if either is in the house.

Many centers advise wearing disposable gloves. Or you can tip tablets into the container cap rather than handling them with bare hands. Wash your hands afterwards either way. People who are pregnant or breastfeeding should not handle these medicines at all.

For a period after each dose, small amounts of the drug leave your body in urine, stool, vomit, and sweat. That period is commonly around 48 hours, but it depends on the drug. Close the toilet lid before flushing. Wash your hands thoroughly. Anyone helping you with body fluids should wear gloves. Wash clothing or bedding soiled with body fluids separately, in hot water. The rest of your laundry can be washed normally with everyone else's.

Ask your team how many hours these precautions apply for your specific drug. The answer varies.

Do not flush unused tablets, and do not put them in household rubbish. Return them to your clinic or pharmacy, which will dispose of them as hazardous waste. This applies to doses left over after a dose change. It also applies to anything remaining when treatment stops.

• Call 911 or go to an emergency department if vomiting or watery stools will not stop and you are too dizzy or drowsy to drink anything.
• Call your care team the same day if you realise you took a double dose, or a child or another adult in the house swallowed one of your tablets.
• Ring your cancer team immediately, at any hour, if your temperature reaches 100.4°F (38°C) or higher, or shaking chills come on. The CDC treats a fever during chemotherapy as a medical emergency, because it may be the only sign of an infection that can turn life-threatening fast. If you cannot get through quickly, go to an emergency department and tell the staff you are on chemotherapy.
• Call your care team the same day if mouth soreness or sickness has stopped you eating, drinking, or keeping the tablets down at all.
• Call your care team within a day or two if a refill has not arrived, the copay has become unaffordable, or you have missed doses. Each of those has a practical fix, and each changes what your team should do next.

• Oncology Nursing Society: precautions for oral chemotherapy in the home
• Oncology Nursing Society: safe handling of oral chemotherapy agents
• Cancer.Net (ASCO): What is Chemotherapy?
• CDC: Fever during chemotherapy