What is CeeNu (Lomustine) prescribed for?

CeeNu is a medication that is used in the treatment of various types of cancers. Lomustine, the active ingredient within CeeNu, belongs to a class of drugs known as “Alkylating agents”. The medicine works by stopping the growth of cancer cells within the body.

This medication comes in two different doses which are 10mg and 100mg. Remember your dose is based on your medical background and your overall response to the treatment. If your doctor or pharmacist has given you some information in the form of a pamphlet, take the time to read up on this drug, and if you have any questions or concerns regarding this medication, please consult your doctor.

This medication is to be taken by mouth as a single dose, as directed by your doctor. It is usually taken once, every 6 weeks.  Your dose may consist of 2 or more different strengths of capsules. To prevent nusea or stomach pain, take this medication on an empty stomach at least 1 hour before a meal or 2 to 3 hours after a meal with a full glass of water. Swallow the capsules whole.

Keep in mind that the diagnosed dosage is base do your medical condition and your response to the treatment. Do not increase or use this medication for longer than prescribed.  Doing otherwise may increase your chances at gaining side effects.

Before taking this medication, it is best to advise your doctor if you are allergic to lomustine, or to any other medications or allergies in general. Also it is best to notify your doctor of your medical history. Inform them  you have had the following; current infections, blood disorder (such as anemia, clotting problem), kidney disease, liver disease, lung disease.

Lomustine can make you more likely to get infections or may worsen any current infections. Avoid contact with people who have infections that may spread to others (such as chickenpox, measles, flu). Consult your doctor if you have been exposed to an infection or for more details.

Do not have immunizations/vaccinations without the consent of your doctor. Avoid contact with people who have recently received live vaccines (such as flu vaccine inhaled through the nose).

Nausea, vomiting, loss of appetite, diarrhea, or mouth/lip sores may occur. Nausea and vomiting usually last for less than 24 hours and loss of appetite may last for several days. Nausea and vomiting can be severe. In some cases, your doctor may prescribe medication to prevent or relieve nausea and vomiting. Eating several small meals, not eating before treatment, or limiting activity may help lessen some of these effects. If any of these effects last or get worse, tell your doctor or pharmacist promptly.

Temporary hair loss may occur. Normal hair growth should return after treatment has ended.

Tell your doctor right away if you have any serious side effects, including: confusion, swelling of lower legs/feet, vision changes.

Get medical help right away if you have any very serious side effects, including: stomach/abdominal pain that doesn't go away, black stools, vomit that looks like coffee grounds, yellowing eyes/skin, dark urine, signs of kidney problems (such as change in the amount of urine, pink urine).

A severe (sometimes fatal) lung problem (pulmonary fibrosis) has occurred in people taking this drug. This condition can occur months to years after you start taking this medication. Get medical help right away if you experience any of these serious side effects: cough, chest pain, difficult/painful breathing.

What happens if I suddenly stop taking this medication?

There may be a relapse in symptoms as well as side effects. You should speak your doctor before stop taking this medication.

What is the best dosage to take?

The diagnosis with your doctor will be able to determine the best dosage for your treatment. Work with your doctor closely for dosage and dosing schedules.

What happens if I miss a dose?

You should take the missed dose as soon as you realize you have forgotten. If the forgotten dose is closer to your next scheduled dose, take the next schedule dose to avoid overlapping in dose.

What is the best way to store this medication?

This medication is stored at room temperature, and should be kept away from children and pets. Do not throw away this medication in the wastebasket. If you are uncertain how to dispose of this medication speak with your pharmacist for help in safely disposing of this medication.