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Soliris

Soliris Side Effects

Yen Nguyen, PharmDCydnee Ng, PharmD
Reviewed by Yen Nguyen, PharmD, Cydnee Ng, PharmD
Last reviewed on September 25, 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

PNH:

  • Headache (44%)
  • Cold-like symptoms (23%)
  • Back pain (19%)
  • Nausea (16%)
  • Tiredness (12%)
  • Cough (12%)

aHUS:

  • Headache (41%)
  • Diarrhea (37%)
  • Vomiting (30%)
  • High blood pressure (33%)
  • Cold-like symptoms (27%)
  • Anemia (26%)
  • Nausea (23%)
  • Swelling in the arms or legs (23%)
  • Cough (23%)
  • Urinary tract infection (22%)
  • Fever (21%)

gMG:

  • Headache (26%)
  • Cold-like symptoms (24%)
  • Diarrhea (15%)
  • Joint pain (12%)
  • Upper respiratory tract infection (11%)
  • Nausea (10%)

NMOSD:

  • Upper respiratory tract infection (29%)
  • Cold-like symptoms (21%)
  • Diarrhea (16%)
  • Dizziness (15%)
  • Back pain (15%)
  • Joint pain (11%)
  • Flu (11%)
  • Sore throat (10%)
  • Bruising (10%)

Less Common Side Effects

PNH:

  • Constipation
  • Muscle pain
  • Pain in the arm or leg
  • Respiratory tract infection
  • Swelling of the sinuses
  • Herpes infection

aHUS:

  • Weakness
  • Stomach pain
  • Low blood pressure
  • Low white blood cell counts

gMG:

  • Stomach pain
  • Swelling in the arm or leg
  • Fever
  • Bruising
  • Muscle or bone pain
  • Herpes infection

NMOSD:

Soliris serious side effects

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

  • Meningococcal infection: headache, stiff neck or back, muscle ache, nausea, vomiting, fever, flu-like symptoms, sensitivity to bright light, confusion, rash
  • Serious infusion reaction: chest pain; trouble breathing; shortness of breath; feeling faint or wanting to pass out; itchiness; swelling of the face, tongue, or throat

Source: DailyMed

The following Soliris side effects have also been reported

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 or nurse immediately if any of the following side effects occur:

More common

Back pain

black, tarry stools

bladder pain

blindness

bloody or cloudy urine

blurred vision

body aches or pain

burning or stinging of the skin

burning, dry, or itching eyes

chest pain or tightness

chills

cough

cough producing mucus

diarrhea

difficult, burning, or painful urination

difficulty breathing or swallowing

difficulty with moving

dizziness

ear congestion

fast heartbeat

fever

frequent urge to urinate

general feeling of discomfort or illness

headache

hives, itching, skin rash

joint pain or swelling

loss of appetite

loss of voice

lower back or side pain

muscle ache, cramp, pain, or stiffness

nausea

nervousness

pain or tenderness around the eyes and cheekbones

painful cold sores or blisters on the lips, nose, eyes, or genitals

pale skin

pounding in the ears

puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue

redness, pain, or swelling of the eye, eyelid, or inner lining of the eyelid

shivering

slow or fast heartbeat

sneezing

sore throat

sores, ulcers, or white spots on the lips or in the mouth

stuffy or runny nose

sweating

swollen glands

trouble breathing

trouble sleeping

unusual bleeding or bruising

unusual tiredness or weakness

vomiting

Less common

General feeling of discomfort or illness

hoarseness

itching, pain, redness, swelling, tenderness, or warmth on the 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

Bone pain

constipation

difficulty having a bowel movement

difficulty in moving

mouth or throat pain

pain in the arms or legs

More common

Bruise

hair loss or thinning of hair

lack or loss of strength

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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