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Febuxostat

Febuxostat Side Effects

Hope Chang, PharmD, AAHIVPAllison Gourley, PharmD
Reviewed by Hope Chang, PharmD, AAHIVP, Allison Gourley, PharmD
Last reviewed on September 16, 2021

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

  • Change in liver labs (5-7%)
  • Rash (1-2%)
  • Nausea (1%)
  • Joint pain (1%)

Less Common Side Effects

  • Ringing in the ear and hearing problems
  • Blurry vision
  • Vomiting
  • Upset stomach and stomach pain
  • Gas
  • Heartburn
  • Stomach ulcers
  • Change in taste and appetite
  • Dehydration
  • Low blood cells
  • Change in labs
  • Muscle pain and stiffness
  • Anxiety
  • Trouble sleeping, insomnia
  • Mood changes
  • Change in hair growth and color
  • Cold and flu-like symptoms

Febuxostat serious side effects

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

  • Serious skin reaction: red, swollen, blistered, or peeling skin
  • Liver problems: yellowing of the skin or eyes, nausea, vomiting, stomach upset, dark urine, itchiness
  • Chest pain

Source: DailyMed

The following Febuxostat 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:

Rare

Arm, back, or jaw pain

black, tarry stools

bloody nose

blurred vision

chest pain or discomfort

chills

cloudy urine

confusion

cough

dark urine

decreased frequency or amount of urine

diarrhea

difficult or labored breathing

difficulty with moving

dizziness

dry mouth

fainting

fast, irregular, pounding, or racing heartbeat or pulse

feeling of fullness

fever

gaseous abdominal or stomach pain

general feeling of tiredness and weakness

headache

heavier menstrual periods

inability to speak

increase in heart rate

increased thirst

itching, skin rash

joint pain, stiffness, or swelling

large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or genitals

lightheadedness

loss of appetite

loss of bladder control

muscle aching or cramping

nausea

nervousness

pain, swelling, or redness in the joints

painful or difficult urination

pale skin

pinpoint red spots on the skin

pounding in the ears

rapid breathing

redness of the skin

right upper abdominal or stomach pain and fullness

runny nose

seizures

severe or sudden headache

shivering

slow or fast heartbeat

slurred speech

sore throat

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

stomach fullness or pain

sunken eyes

sweating

swelling

temporary blindness

thirst

tightness in the chest

trouble sleeping

trouble swallowing

unusual bleeding or bruising

unusual tiredness or weakness

vomiting

vomiting of blood or material that looks like coffee grounds

weakness in the arm or leg on one side of the body, sudden and severe

weight gain

wrinkled skin

yellow eyes and skin

Incidence not known

Blistering, peeling, or loosening of the skin

diarrhea

difficulty with swallowing

hives

hoarseness

lower back or side pain

muscle cramps or spasms

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

red skin lesions, often with a purple center

red, irritated eyes

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:

Rare

Anxiety

bad, unusual, or unpleasant (after) taste

blistering, crusting, irritation, itching, or reddening of the skin

body aches or pain

breast pain

bruising

burning feeling in the chest or stomach

burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings

change in taste

changes in hair color

constipation

continuing ringing or buzzing or other unexplained noise in the ears

cough producing mucus

cracked, dry, or scaly skin

decrease in smell

decreased interest in sexual intercourse

deep or fast breathing with dizziness

depression

ear congestion

excess air or gas in the stomach or bowels

feeling of constant movement of self or surroundings

fruit-like breath odor

gum pain

hair loss or thinning of the hair

hearing loss

heartburn

inability to have or keep an erection

inability to move the arms and legs

increased or decreased appetite

increased sensitivity of the skin to sunlight

increased sweating

increased urination

irritability

large, flat, blue, or purplish patches in the skin

loss in sexual ability, desire, drive, or performance

loss of consciousness

loss of voice

muscle or bone pain or stiffness

muscle spasm, tightness, or weakness

muscle twitching

nasal congestion

numbness of the feet, hands, and around the mouth

painful blisters on the trunk of the body

pains in the stomach, side, or abdomen, possibly radiating to the back

sensation of spinning

severe or continuing stomach pain

severe sunburn

shakiness in the legs, arms, hands, or feet

skin rash, encrusted, scaly, and oozing

sleepiness or unusual drowsiness

small red or purple spots on the skin

sneezing

stomach discomfort, upset, or pain

sudden numbness and weakness in the arms and legs

sweating

swelling of the breasts or breast soreness in both females and males

throat irritation

trembling or shaking of the hands or feet

trouble sleeping

unexplained weight loss

unusual drowsiness, dullness, or feeling of sluggishness

weight loss

Incidence not known

Aggressive thoughts

false beliefs that cannot be changed by facts

seeing, hearing, or feeling things that are not there

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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Why trust our experts?

Hope Chang is a freelance writer and content reviewer for GoodRx. She attended Howard University College of Pharmacy in Washington, D.C. and completed post-graduate residency training at the University of California, Davis Medical Center.
Allison Gourley, PharmD, is a kidney and pancreas transplant pharmacist at a teaching hospital in the San Francisco Bay Area. When she’s not educating patients about their immunosuppressants, she's actively involved in transplant research.

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