Pronunciation: nal OX ee gol

Brand: Movantik

What is the most important information I should know about naloxegol?

You should not use this medicine if you have a blockage in your stomach or intestines.

Many drugs can interact with naloxegol, and some drugs should not be used together. Tell your doctor about all medicines you use, and those you start or stop using during your treatment with naloxegol.

What is naloxegol?

Naloxegol is a special narcotic drug that blocks certain effects of other narcotic medicines.

Naloxegol reduces constipation caused by opioid (narcotic) pain medicine used to treat severe chronic pain. Naloxegol works by preventing constipation without reducing the pain-relieving effects of the narcotic.

Naloxegol is used in people who have been taking narcotic pain medicine for at least 4 weeks, to treat chronic pain that is not caused by cancer.

Naloxegol may also be used for purposes not listed in this medication guide.

What should I discuss with my healthcare provider before taking naloxegol?

You should not use naloxegol if you are allergic to it, or if you have:

  • a blockage in your stomach or intestines.

Some medicines can interact with naloxegol and should not be used at the same time. Your doctor may need to change your treatment plan if you use any of the following drugs:

  • idelasilib, imatinib;
  • nefazodone;
  • an antibiotic --clarithromycin, erythromycin, telithromycin;
  • antifungal medication --itraconazole, ketoconazole, posaconazole, voriconazole;
  • hepatitis C medications --boceprevir, telaprevir; or
  • HIV/AIDS medication --atazanavir, cobicistat (Stribild, Tybost), delavirdine, fosamprenavir, indinavir, nelfinavir, ritonavir, saquinavir.

To make sure naloxegol is safe for you, tell your doctor if you have:

  • a stomach or intestinal disorder (including Crohn's disease, diverticulitis, or Ogilvie's syndrome);
  • stomach cancer, colorectal cancer;
  • history of perforation (a hole or tear) in your esophagus, stomach, or intestines;
  • liver disease; or
  • kidney disease.

FDA pregnancy category C. It is not known whether naloxegol will harm an unborn baby. Naloxegol may cause withdrawal symptoms in your newborn if you take the medicine during pregnancy. Tell your doctor if you are pregnant or plan to become pregnant while using this medicine.

It is not known whether naloxegol passes into breast milk or if it could harm a nursing baby. You should not breast-feed while using this medicine.

Naloxegol is not approved for use by anyone younger than 18 years old.

How should I take naloxegol?

Naloxegol is usually taken once per day. Follow all directions on your prescription label. Do not use this medicine in larger or smaller amounts or for longer than recommended.

Take naloxegol on an empty stomach, at least 1 hour before or 2 hours after a meal.

Do not crush, chew, or break a naloxegol tablet. Swallow it whole.

Call your doctor if your symptoms do not improve after 3 days of treatment.

Store at room temperature away from moisture and heat.

What happens if I miss a dose?

Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

What should I avoid while taking naloxegol?

Do not use any other laxatives that your doctor has not prescribed.

Grapefruit and grapefruit juice may interact with naloxegol and lead to unwanted side effects. Avoid the use of grapefruit products while taking naloxegol.

What are the possible side effects of naloxegol?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have:

  • severe stomach pain that will not go away;
  • extreme dizziness, or feeling like you might pass out;
  • bloody or tarry stools, coughing up blood or vomit that looks like coffee grounds;
  • nausea or vomiting that are new or worsening symptoms; or
  • symptoms of narcotic medicine withdrawal --anxiety, sweating, chills, yawning, stomach pain, diarrhea.

Common side effects may include:

  • nausea, vomiting, stomach pain;
  • diarrhea, gas; or
  • headache.

This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.

What other drugs will affect naloxegol?

Other drugs may interact with naloxegol, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell each of your health care providers about all medicines you use now and any medicine you start or stop using.

Where can I get more information?

Your pharmacist can provide more information about naloxegol.


Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

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