Nebupent Side Effects Center

Last updated on RxList: 10/13/2022
Nebupent Side Effects Center

Medical Editor: John P. Cunha, DO, FACOEP

What Is Nebupent?

NebuPent (pentamidine isethionate) is an antibiotic used to prevent and treat serious infections such as Pneumocystis pneumonia (PCP), often seen in people with acquired immunodeficiency syndrome (AIDS).

What Are Side Effects of Nebupent?

Nebupent may cause serious side effects including:

  • hives,
  • difficulty breathing,
  • swelling of your face, lips, tongue, or throat,
  • wheezing,
  • choking,
  • other breathing problems after using the medication,
  • lightheadedness,
  • fast or uneven heart rate,
  • painful or difficult urination,
  • confusion,
  • hallucination,
  • pain, burning, irritation, or skin changes where the injection was given,
  • worsening symptoms,
  • fever,
  • cough,
  • night sweats,
  • pale skin,
  • easy bruising,
  • unusual bleeding,
  • purple or red pinpoint spots under your skin,
  • severe pain in your upper stomach spreading to your back,
  • nausea,
  • vomiting,
  • headache,
  • hunger,
  • weakness,
  • sweating,
  • confusion,
  • irritability,
  • dizziness,
  • feeling jittery,
  • sore throat,
  • burning in your eyes,
  • skin pain, and
  • red or purple skin rash that spreads (especially in the face or upper body) and causes blistering and peeling

Get medical help right away, if you have any of the symptoms listed above.

Common side effects of NebuPent include:

  • cough,
  • upset stomach,
  • loss of appetite,
  • nausea,
  • vomiting,
  • diarrhea,
  • dizziness,
  • headache,
  • burning feeling in the throat,
  • unusual taste in the mouth, or
  • dry mouth

Seek medical care or call 911 at once if you have the following serious side effects:

  • Serious eye symptoms such as sudden vision loss, blurred vision, tunnel vision, eye pain or swelling, or seeing halos around lights;
  • Serious heart symptoms such as fast, irregular, or pounding heartbeats; fluttering in your chest; shortness of breath; and sudden dizziness, lightheadedness, or passing out;
  • Severe headache, confusion, slurred speech, arm or leg weakness, trouble walking, loss of coordination, feeling unsteady, very stiff muscles, high fever, profuse sweating, or tremors.

This document does not contain all possible side effects and others may occur. Check with your physician for additional information about side effects.

Dosage for Nebupent

The recommended adult dosage of NebuPent for the prevention of Pneumocystis pneumonia is 300 mg once every four weeks administered via the Respirgard II nebulizer.

What Drugs, Substances, or Supplements Interact with Nebupent?

NebuPent may interact with azathioprine, carbamazepine, antibiotics, anti-inflammatory drugs, cisplatin, didanosine, zidovudine, birth control pills, ganciclovir, blood pressure medications, medication for diabetes, valproic acid, medication for psychiatric disorders, or metoclopramide. Tell your doctor all medications and supplements you use.

Nebupent During Pregnancy or Breastfeeding

During pregnancy, NebuPent should be used only when prescribed. It is unknown if this drug passes into breast milk. Because breast milk can transmit HIV, do not breastfeed.

Additional Information

Our NebuPent (pentamidine isethionate) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

SLIDESHOW

Digestive Disorders: Common Misconceptions See Slideshow
Nebupent Consumer Information

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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:

  • wheezing, choking, or other breathing problems after using this medication with a nebulizer;
  • a light-headed feeling, like you might pass out;
  • fast or uneven heart rate;
  • painful or difficult urination;
  • confusion, hallucinations;
  • pain, burning, irritation, or skin changes where the injection was given;
  • worsening symptoms, or signs of a new infection (fever, cough, trouble breathing, night sweats);
  • a blood cell disorder--pale skin, feeling light-headed or short of breath, easy bruising, unusual bleeding, purple or red pinpoint spots under your skin;
  • pancreatitis--severe pain in your upper stomach spreading to your back, nausea and vomiting;
  • low blood sugar--headache, hunger, weakness, sweating, confusion, irritability, dizziness, or feeling jittery; or
  • severe skin reaction--fever, sore throat, swelling in your face or tongue, burning in your eyes, skin pain, followed by a red or purple skin rash that spreads (especially in the face or upper body) and causes blistering and peeling.

Common side effects may include:

  • loss of appetite; or
  • unusual or unpleasant taste in the mouth.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

QUESTION

About how much does an adult human brain weigh? See Answer
Nebupent Professional Information

SIDE EFFECTS

The most frequently reported unsolicited adverse events (1 to 5%) in clinical trials, regardless of their relation to NebuPent therapy were as follows (n=931):

Body as a Whole: Night sweats.

Gastrointestinal: Diarrhea and nausea.

Hematologic: Anemia.

Infection: Bronchitis, non-specific herpes, herpes zoster, non-specific influenza, oral Candida, pharyngitis, sinusitis, and upper respiratory tract.

Nervous System: Headache.

Respiratory System: Chest pain, cough, and wheezing.

Special Senses: Bad taste.

Adverse events of less than 1% incidence were as follows (No causal relationship to treatment has been established for these adverse events):

Body as a Whole: Allergic reaction, non-specific allergy, body odor, facial edema, fever, leg edema, lethargy, low body temperature, and temperature abnormality.

Cardiovascular: Cerebrovascular accident, hypotension, hypertension, palpitations, poor circulation, syncope, tachycardia, vasodilatation and vasculitis.

Gastrointestinal: Abdominal cramps, abdominal pain, constipation, dry mouth, dyspepsia, gastritis, gastric ulcer, gingivitis, hiatal hernia, hypersalivation, oral ulcer/abscess, splenomegaly, and vomiting.

Hematological: Eosinophilia, neutropenia, non-specific cytopenia, pancytopenia, and thrombocytopenia. Hepatic: Hepatitis, hepatomegaly, and hepatic dysfunction.

Infection: Bacterial pneumonia, central venous line related sepsis, cryptococcal meningitis, cytomegalovirus (CMV) colitis, CMV retinitis, esophageal Candida, histoplasmosis, Kaposi’s sarcoma, non-specific mycoplasma, oral herpes, non-specific otitis, non-specific pharyngitis, pharyngeal herpes, non-specific serious infection, tonsillitis, tuberculosis, and viral encephalitis.

Metabolic: Hyperglycemia, hypoglycemia, and hypocalcemia.

Musculoskeletal: Arthralgia, gout, and myalgia.

Neurological: Anxiety, confusion, depression, drowsiness, emotional lability, hallucination, hypesthesia, insomnia, memory loss, neuralgia, neuropathy, non-specific neuropathy, nervousness, paranoia, paresthesia, peripheral neuropathy, seizure, tremors, unsteady gait, and vertigo.

Reproductive: Miscarriage.

Respiratory system: Asthma, bronchitis, bronchospasm, chest congestion, chest tightness, coryza, cyanosis, eosinophilic or interstitial pneumonitis, gagging, hemoptysis, hyperventilation, laryngitis, laryngospasm, nonspecific lung disorder, nasal congestion, pleuritis, pneumothorax, rales, rhinitis, shortness of breath, nonspecific sputum, and tachypnea.

Skin: Desquamation, dry and breaking hair, dry skin, erythema, non-specific dermatitis, pruritus, rash, and urticaria.

Special senses: Blepharitis, blurred vision, conjunctivitis, contact lens discomfort, eye pain or discomfort, hemianopsia, loss of taste, non-specific odor, and smell.

Urogenital: Flank pain, incontinence, nephritis, renal failure, and renal pain.

In a clinical trial where some adverse events were solicited by investigators, the incidences were as follows:

  • Cough (62.7%)
  • Decreased appetite (50.0%)
  • Dizziness or light-headedness (45.1%)
  • Fatigue (65.7%)
  • Fever (51.0%)
  • Non-specific serious infection (15.2%)
  • Shortness of breath (48.3%)
  • Wheezing (32.4%)

From post-marketing clinical experience with NebuPent the following spontaneous adverse events have been reported: anaphylaxis, colitis, diabetes, dyspnea, esophagitis, hematochezia, increased blood urea nitrogen (BUN) and serum creatinine levels, melena, pancreatitis (see WARNINGS), syndrome of inappropriate antidiuretic hormone (SIADH), and torsade de pointes.

DRUG INTERACTIONS

While specific studies on drug interactions with NebuPent have not been conducted, the majority of patients in clinical trials received concomitant medications, including zidovudine, with no reported interactions. Because the nephrotoxic effects may be additive, the concomitant or sequential use of NebuPent and other nephrotoxic drugs such as aminoglycosides, amphotericin B, cisplatin, foscarnet, or vancomycin should be closely monitored and avoided, if possible.

Read the entire FDA prescribing information for Nebupent (Pentamidine Isethionate)

© Nebupent Patient Information is supplied by Cerner Multum, Inc. and Nebupent Consumer information is supplied by First Databank, Inc., used under license and subject to their respective copyrights.

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