Skip to main content
Palforzia

Palforzia Side Effects

Sarah Lobello Pearson, PharmDCydnee Ng, PharmD
Reviewed by Sarah Lobello Pearson, PharmD, Cydnee Ng, PharmD
Last reviewed on August 21, 2025

The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.

Common Side Effects

  • Stomach pain
  • Nausea
  • Vomiting
  • Itchiness in the mouth
  • Throat irritation
  • Cough
  • General itchiness
  • Tingling in the mouth

Less Common Side Effects

  • Hives
  • Runny nose
  • Sneezing
  • Throat tightness
  • Wheezing
  • Shortness of breath
  • Itchy ear

Palforzia serious side effects

Contact your healthcare provider immediately if you experience any of the following.

  • Severe allergic reaction: hives, itching, nausea, vomiting, dizziness, feeling confused or anxious, fast heart rate, throat tightness, trouble breathing, anaphylaxis
  • Eosinophilic esophagitis: hard to swallow food, stomach pain, heartburn, chest pain, nausea, vomiting
When do Palforzia possible side effects begin and end?
Time passed since treatment started:
M
H
D
W
M
Stomach pain
Nausea or vomiting
Itchy or tingly mouth
Throat irritation or tightness
Risk of anaphylaxis after each dose
Seek immediate medical care if you experience this side effect.

Source: Prescribing information

The following Palforzia side effects have also been reported

Side effects that you should report to your care team as soon as possible:

Side effects that usually do not require medical attention (report these to your care team if they continue or are bothersome):

  • Burning or tingling of the tongue, mouth, throat, or face
  • Irritation inside the mouth or throat
  • Itching of the mouth, lips, tongue, or ears
  • Nausea
  • Runny or stuffy nose
  • Sneezing
  • Stomach pain
GoodRx icon

Other Palforzia articles

Was this page helpful?