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Drugs reference index «Neulasta»

Neulasta


Neulasta

Generic Name: pegfilgrastim (Subcutaneous route)

peg-fil-GRA-stim

Commonly used brand name(s):

In the U.S.

  • Neulasta

Available Dosage Forms:

  • Solution

Therapeutic Class: Hematopoietic

Pharmacologic Class: Colony Stimulating Factor

Uses For Neulasta

Pegfilgrastim is a synthetic (man-made) version of a substance that is naturally produced in your body called a colony stimulating factor. It helps the bone marrow to make new white blood cells.

When certain cancer medicines are used to fight cancer cells, they also affect the white blood cells that fight infections. Pegfilgrastim is used to reduce the risk of infection while you are being treated with cancer medicines.

This medicine is available only with your doctor's prescription.

Once a medicine has been approved for marketing for a certain use, experience may show that it is also useful for other medical problems. Although these uses are not included in product labeling, pegfilgrastim is used in certain patients with the following medical conditions:

  • Harvesting of peripheral blood stem cells, prior to autologous stem-cell transplantation.

Before Using Neulasta

In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For this medicine, the following should be considered:

Allergies

Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.

Pediatric

Appropriate studies have not been performed on the relationship of age to the effects of pegfilgrastim in the pediatric population. Safety and efficacy have not been established.

Geriatric

Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of pegfilgrastim in the elderly.

Pregnancy

Pregnancy CategoryExplanation
All TrimestersCAnimal studies have shown an adverse effect and there are no adequate studies in pregnant women OR no animal studies have been conducted and there are no adequate studies in pregnant women.

Breast Feeding

There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding.

Interactions with Medicines

Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. Tell your healthcare professional if you are taking any other prescription or nonprescription (over-the-counter [OTC]) medicine.

Interactions with Food/Tobacco/Alcohol

Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.

Other Medical Problems

The presence of other medical problems may affect the use of this medicine. Make sure you tell your doctor if you have any other medical problems, especially:

  • Bone marrow cancer or other bone marrow problems—Pegfilgrastim may make cancer or other problems worse.
  • Liver problems—Safety of this medicine in patients with liver problems has not been studied.
  • Peripheral blood progenitor cell (PBPC) mobilization—Use of pegfilgrastim is not recommended for PBPC mobilization.
  • Sepsis (serious infection)—There have been reports of acute respiratory distress syndrome (ARDS) in patients who had a serious infection and were receiving a similar medicine called filgrastim.
  • Sickle cell disease—Pegfilgrastim may increase the risk of unwanted effects.

Proper Use of Neulasta

This medicine is given as a shot under your skin. You may be taught how to give this medicine at home. Make sure you understand all of the instructions before giving yourself an injection. Do not use more medicine or use it more often than your doctor tells you to.

This medicine comes with patient instructions. Read and follow these instructions carefully. Ask your doctor if you have any questions about:

  • How to prepare the injection.
  • The proper use of disposable syringes.
  • How to give the injection.
  • How long the injection can be stored at home.

Dosing

The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.

The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.

  • For injectable dosage form:
    • To increase white blood cell count:
      • Adults—6 milligrams (mg) as a single injection one time every chemotherapy cycle.
      • Children—Use and dose must be determined by your doctor.

Missed Dose

This medicine needs to be given on a fixed schedule. If you miss a dose or forget to use your medicine, call your doctor or pharmacist for instructions.

Storage

Store in the refrigerator. Do not freeze.

Keep out of the reach of children.

Do not keep outdated medicine or medicine no longer needed.

Ask your healthcare professional how you should dispose of any medicine you do not use.

Precautions While Using Neulasta

It is very important that your doctor check your progress at regular visits to make sure that this medicine is working properly. Blood tests may be needed to check for unwanted effects.

It is very important to tell your doctor if you are allergic to rubber. The needle cover of the prefilled syringe contains dry natural rubber latex, which may cause an allergic reaction if you have a latex allergy.

If you experience left upper stomach pain or shoulder tip pain, contact your doctor right away.

Check with your doctor right away at the first sign of any infection such as fever; chills; cough; diarrhea; sore throat; or redness, swelling, or pain around a cut or sore.

Check with your doctor right away if you develop shortness of breath, chest pain or tightness, fast breathing, or wheezing. These could be symptoms of a serious lung condition called acute respiratory distress syndrome (ARDS).

This medicine may cause a serious allergic reaction, including anaphylaxis, which is life-threatening and requires immediate medical attention. Tell your doctor right away if you have a rash; itching; swelling of the face, tongue, or throat; trouble with breathing; or chest pain after you get the injection.

You should not use this medicine for 14 days before and up to 24 hours after you receive cancer medicines.

Neulasta Side Effects

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur:

More common
  • Fever
  • granulocytopenia, including chills; cough; fever; sore throat; ulcers; sores, or white spots in the mouth
Rare
  • Bluish lips or skin
  • pain, left upper abdomen or shoulder
  • shortness of breath; tightness in the chest; troubled breathing; or wheezing
Incidence not known
  • Bleeding, blistering, burning, coldness, discoloration of skin, feeling of pressure, hives, infection, inflammation, itching, lumps, numbness, pain, rash, redness, scarring, soreness, stinging, swelling, tenderness, tingling, ulceration, or warmth at the injection site
  • cough
  • difficulty swallowing
  • dizziness
  • fast heartbeat
  • flushing or redness of the skin
  • hives or welts
  • itching, puffiness, or swelling of the eyelids or around the eyes, face, lips, or tongue
  • large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
  • skin rash
  • sores on the skin
  • unusual tiredness or weakness
  • unusually warm skin

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common
  • Abdominal pain
  • acid or sour stomach; belching; heartburn; indigestion; or stomach discomfort, upset, or pain
  • bone pain
  • change in sense of taste
  • constipation
  • diarrhea
  • fatigue
  • hair loss or thinning of hair
  • headache
  • joint pain
  • lack or loss of strength
  • loss of appetite or weight loss
  • mucositis, including cracked lips; diarrhea; difficulty in swallowing; or sores, ulcers, or white spots on the lips, tongue, or inside the mouth
  • muscle soreness
  • nausea
  • swelling of the hands, ankles, feet, or lower legs
  • swelling or inflammation of the mouth
  • trouble sleeping
  • vomiting
  • weakness, generalized
Incidence not known
  • Body produces substance that can bind to drug making it less effective or cause side effects

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

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  • Neulasta Prescribing Information (FDA)
  • Neulasta MedFacts Consumer Leaflet (Wolters Kluwer)
  • Neulasta Consumer Overview
  • Pegfilgrastim Professional Patient Advice (Wolters Kluwer)

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