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
Plaque psoriasis:
- Common cold symptoms (7-8%)
- Upper respiratory tract infection (4-5%)
- Headache (5%)
Psoriatic arthritis:
- Joint pain (3%)
- Nausea (3%)
Crohn's disease:
- Common cold symptoms (11%)
- Redness at the injection site (5%)
- Yeast infection (5%)
- Bronchitis (5%)
Ulcerative colitis:
- Common cold symptoms (24%)
- Headache (10%)
- Stomach pain (7%)
- Flu infection (6%)
- Fever (5%)
Less Common Side Effects
- Dizziness
- Diarrhea
- Back pain
- Muscle pain
- Depression
- Sore throat
- Itchiness
- Vomiting
Pyzchiva serious side effects
Contact your healthcare provider immediately if you experience any of the following.
- Serious infection: fever, muscle aches, cough, trouble breathing, weight loss, sores on the body, diarrhea, stomach pain, problems with urination, tiredness
- Severe allergic reaction: feeling faint, facial swelling, chest tightness, rash
- Brain condition: headache, confusion, vision problems, seizures
- Lung conditions: trouble breathing, cough
Source: DailyMed
The following Pyzchiva side effects have also been reported
Side effects that you should report to your care team as soon as possible:
- Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
- Dry cough, shortness of breath or trouble breathing
- Infection—fever, chills, cough, sore throat, wounds that don't heal, pain or trouble when passing urine, general feeling of discomfort or being unwell
- Sudden and severe headache, confusion, change in vision, seizures, which may be signs of posterior reversible encephalopathy syndrome (PRES)
Side effects that usually do not require medical attention (report these to your care team if they continue or are bothersome):
- Diarrhea
- Dizziness
- Fatigue
- Headache
- Pain, redness, or irritation at injection site
- Runny or stuffy nose
- Sore throat


