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Korlym

Korlym Side Effects

Robert Chad Hakim, PharmD, BCCCPCydnee Ng, PharmD
Reviewed by Robert Chad Hakim, PharmD, BCCCP, Cydnee Ng, PharmD
Last reviewed on December 13, 2024

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

  • Nausea (48%)
  • Fatigue (48%)
  • Headache (44%)
  • Low potassium levels (34%)
  • Joint pain (30%)
  • Vomiting (26%)
  • Swelling in the hands, ankles, or feet (26%)
  • High blood pressure (24%)
  • Dizziness (22%)
  • Low appetite (20%)
  • Dry mouth (18%)

Less Common Side Effects

Korlym serious side effects

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

  • Serious allergic reaction: trouble breathing; hives; swelling of your face, lips, tongue, or throat
  • Low potassium levels: irregular heart beat, fatigue, muscle weakness, high blood pressure
  • Abnormal heart rhythm (QT prolongation): chest pounding, chest pain, shortness of breath, feeling faint or lightheaded

Source: DailyMed

The following Korlym 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:

Less common

Excessively heavy vaginal bleeding

unusual tiredness or weakness

Incidence not known

Chest pain or discomfort

confusion

cough or hoarseness

fast, weak pulse

fever or chills

lower back or side pain

pain or discomfort in the arms, jaw, back, or neck

painful or difficult urination

pale, cold, or clammy skin

shortness of breath

sudden increase in stomach or shoulder pain

sweating

unusual or large amount of vaginal bleeding

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

Abdominal or stomach pain or uterine cramping

back pain

diarrhea

dizziness

headache

nausea or vomiting

Less common

Acid or sour stomach

anxiety

belching

cough

fainting or lightheadedness when getting up from a lying or sitting position

fever

flu-like symptoms

headache

heartburn

increased clear or white vaginal discharge

indigestion

itching of the vagina or genital area

lack or loss of strength

pain during sexual intercourse

pain or tenderness around the eyes and cheekbones

pale skin

shaking chills

stomach discomfort, upset, or pain

stuffy or runny nose

tightness of the chest

trouble sleeping

troubled breathing

troubled breathing, exertional

unusual bleeding or bruising

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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