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Fulyzaq Side Effects

Generic Name: crofelemer

Note: This page contains information about the side effects of crofelemer. Some of the dosage forms included on this document may not apply to the brand name Fulyzaq.

Not all side effects for Fulyzaq may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.

For the Consumer

Applies to crofelemer: oral tablet delayed release

Along with its needed effects, crofelemer (the active ingredient contained in Fulyzaq) 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 while taking crofelemer:

Less common
  • Abdominal or stomach pain
  • bleeding after defecation
  • full or bloated feeling
  • pressure in the stomach
  • swelling of the abdominal or stomach area
  • uncomfortable swelling around the anus

Some side effects of crofelemer 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
  • Body aches or pain
  • chills
  • cough
  • difficulty with breathing
  • ear congestion
  • fever
  • headache
  • loss of voice
  • nasal congestion
  • runny nose
  • sneezing
  • sore throat
  • unusual tiredness or weakness
Less common
  • Acid or sour stomach
  • back pain
  • belching
  • bladder pain
  • blemishes on the skin
  • blistering, crusting, irritation, itching, or reddening of the skin
  • bloody or cloudy urine
  • cough producing mucus
  • cracked, dry, scaly skin
  • difficult, burning, or painful urination
  • difficulty having a bowel movement (stool)
  • difficulty with moving
  • discouragement
  • dizziness
  • dry mouth
  • excess air or gas in the stomach or intestines
  • fear or nervousness
  • feeling sad or empty
  • frequent urge to urinate
  • heartburn
  • indigestion
  • irritability
  • loss of appetite
  • loss of interest or pleasure
  • lower back or side pain
  • muscle aches
  • muscle or bone pain
  • muscle stiffness
  • nausea and vomiting
  • pain in the arms or legs
  • pain in the groin or genitals
  • pain in the joints
  • pain or tenderness around the eyes and cheekbones
  • painful blisters on the trunk of the body
  • passing gas
  • pimples
  • sharp back pain just below the ribs
  • stomach discomfort or upset
  • tightness in the chest
  • tiredness
  • trouble concentrating
  • trouble sleeping
  • weakness

For Healthcare Professionals

Applies to crofelemer: oral delayed release tablet

Dermatologic

Common (1% to 10%): Acne, dermatitis

Gastrointestinal

Common (1% to 10%): Flatulence, nausea, hemorrhoids, abdominal distension, abdominal pain, constipation, dry mouth, dyspepsia, gastroenteritis

General

The most common adverse reactions (greater than or equal to 3%) include upper respiratory tract infection, bronchitis, cough, flatulence and increased bilirubin.

Genitourinary

Common (1% to 10%): Urinary tract infection, pollakiuria

Hematologic

Common (1% to 10%): Decreased white blood cell count

Hepatic

Common (1% to 10%): Increased bilirubin, increased alanine aminotransferase, increased aspartate aminotransferase, increased conjugated bilirubin, increased unconjugated blood bilirubin, nephrolithiasis

Musculoskeletal

Common (1% to 10%): Back pain, arthralgia, musculoskeletal pain, pain in extremity

Nervous system

Common (1% to 10%): Dizziness

Other

Common (1% to 10%): Giardiasis, herpes zoster, procedural pain, seasonal allergy

Psychiatric

Common (1% to 10%): Anxiety, depression

Respiratory

Common (1% to 10%): Upper respiratory tract infection, bronchitis, cough, nasopharyngitis, sinusitis

Disclaimer: Every effort has been made to ensure that the information provided is accurate, up-to-date and complete, but no guarantee is made to that effect. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. This material does not endorse drugs, diagnose patients, or recommend therapy. This information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill , knowledge, and judgement of healthcare practitioners in patient care. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate safety, effectiveness, or appropriateness for any given patient. Drugs.com does not assume any responsibility for any aspect of healthcare administered with the aid of materials provided. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the substances you are taking, check with your doctor, nurse, or pharmacist.

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