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Pomalyst

Pomalyst Side Effects

Sonja Jacobsen, PharmD, BCPS, BCOPConnie Zheng, PharmD
Reviewed by Sonja Jacobsen, PharmD, BCPS, BCOP, Connie Zheng, PharmD
Last reviewed on March 6, 2023

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

Multiple Myeloma

  • Tiredness/weakness (58%)
  • Low white blood cell counts (53%)
  • Low red blood cell counts (38%)
  • Runny nose, sore throat, and other symptoms of a respiratory tract infection (37%)
  • Nausea (36%)
  • Constipation (36%)
  • Trouble breathing (36%)
  • Diarrhea (35%)
  • Back pain (35%)
  • Pneumonia (28%)
  • Low platelets (26%)
  • Swelling of hands and feet (25%)

Kaposi Sarcoma

  • Low blood cell counts (54-96%)
  • Abnormal kidney labs (86%)
  • Rash (71%)
  • Constipation (71%)
  • Tiredness (68%)
  • Higher blood sugar levels (57%)
  • Abnormal liver labs (25-54%)
  • Lower phosphate levels (54%)
  • Lower blood calcium levels (50%)

*Please note: These side effects were reported by people who took only [[EDITOR|DRUG_DISPLAY_NAME]] in clinical trials. The frequency of side effects might be different for you if you’re taking this medication with dexamethasone. *

Less Common Side Effects

Multiple myeloma

  • Fever
  • Muscle and bone pain in the chest
  • Less appetite
  • Dizziness
  • High blood calcium levels
  • Nerve pain
  • Muscle spasms
  • Rash
  • Joint stiffness
  • Headache
  • Itching

Kaposi Sarcoma

  • Nausea
  • Diarrhea
  • Cough
  • Trouble catching your breath
  • Swelling of the hands and feet
  • Sore throat, cough, and other symptoms of an upper respiratory tract infection
  • Muscle spasms

Pomalyst serious side effects

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

  • Serious liver problems: tiredness, loss of appetite, nausea or vomiting, dark urine, right-side stomach pain, easy bruising or bleeding, or yellowing of the eyes or skin
  • Blood clot in the brain: weakness or numbness in your arms, legs, or face on one side of the body, trouble speaking, blurred vision, dizziness, loss of balance, trouble walking, or confusion
  • Heart attack: chest pain, sweating, nausea, or dizziness
  • Blood clot in the lungs: trouble breathing, chest pain, or cough
  • Blood clot in the legs: cramps, swelling, pain, or muscle tightness
  • Severe skin reactions: painful blisters, skin wounds, peeling skin, painful sores in your mouth or around your eyes
  • Tumor lysis syndrome: fever, chills, nausea or vomiting, confusion, trouble breathing, seizures, irregular heartbeat, dark or cloudy urine, muscle or joint pain, unusual tiredness
  • Serious infections: fever, sore throat, chills, headache, body aches, cough
  • Serious bleeds: bleeding that’s difficult to stop, bruises that don’t go away, dark or tarry stool

Source: DailyMed

The following Pomalyst 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 immediately if any of the following side effects occur:

More common

Black, tarry stools

bladder pain

bleeding gums

bloating or swelling of the face, arms, hands, lower legs, or feet

blood in the urine or stools

bloody nose

body aches or pain

burning, numbness, tingling, or painful sensations

chest pain

chills

cloudy urine

confusion

constipation

cough

decreased or increased urination

difficult, burning, or painful urination

difficulty with breathing

discouragement

dizziness

dry mouth

ear congestion

fast or irregular heartbeat

feeling sad or empty

fever

frequent urge to urinate

headache

incoherent speech

increased thirst

irritability

lack of appetite

loss of appetite

loss of interest or pleasure

loss of voice

lower back or side pain

metallic taste

muscle pain or cramps

muscle weakness

nasal congestion

nausea

numbness or tingling in the hands, feet, or lips

pain

pale skin

pinpoint red spots on the skin

rapid weight gain

runny nose

shakiness in the legs, arms, hands, or feet

sneezing

sore throat

stomach pain

tightness in the chest

trembling or shaking of the hands or feet

trouble concentrating

trouble sleeping

troubled breathing with exertion

ulcers, sores, or white spots in the mouth

unsteadiness or awkwardness

unusual bleeding or bruising

unusual weight gain or loss

vomiting

weakness in the arms, hands, legs, or feet

Less common

Anxiety

dizziness or lightheadedness

fainting

pain, redness, or swelling in the arm or leg

troubled breathing

Incidence not known

Blistering, peeling, or loosening of the skin

diarrhea

difficulty in passing urine (dribbling)

itching

joint pain

red skin lesions, often with a purple center

red, irritated eyes

unusual tiredness or weakness

weakness or heaviness of the legs

yellow eyes or 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

Back pain

blurred vision

decreased appetite

difficulty with moving

flushed, dry skin

fruit-like breath odor

increased hunger

increased sweating

lack or loss of strength

muscle spasms or stiffness

night sweats

rash

Incidence not known

Feeling of constant movement of self or surroundings

sensation of spinning

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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