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Mytesi

Generic Name: Crofelemer (kroe FEL e mer)
Brand Name: Fulyzaq, Mytesi
Easy-to-read patient leaflet for Mytesi. Includes indications, proper use, special instructions, precautions, and possible side effects.
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Drug Information:
This medicine may interact with other drugs or health problems. Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take Mytesi (crofelemer) with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor. Use Mytesi (crofelemer) as ordered by your doctor. Read all information given to you. Follow all instructions closely. Learn more

Pickup / Home Delivery

USARx offers multiple ways to purchase this medication. Choose the Best option for you!

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    Local Pharmacy Pickup

    Pay this amount and pick up your prescription at ANY Retail pharmacy of your choice! Walgreens, CVS, Walmart, etc.

  • 30-day supply
    90-day supply
    Mail Order Home Delivery

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Mytesi Side Effects

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

In Summary

More frequent side effects include: upper respiratory tract infection. See below for a comprehensive list of adverse effects.

For the Consumer

Applies to crofelemer: oral tablet delayed release

Along with its needed effects, crofelemer (the active ingredient contained in Mytesi) 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

Editorial References and Review

Medically reviewed by USARx EDITORIAL TEAM Last updated on 1/1/2020.

Source: Drugs.com Mytesi (www.drugs.com/cdi/mytesi.html).