Darifenacin is used to treat symptoms of urinary incontinence such as an urgent need to urinate, frequent urination and urine leakage in adulthood.


What is Darifenacin?


Darifenacin works by relaxing the muscles of the bladder.


How should Darifenacin be taken?

Darifenacin is administered orally.


Side effects associated with Darifenacin

Darifenacin can increase the risk of heat stroke and angioedema.

Among the other possible side effects of darifenacin include the following:


  • Tarnished vision
  • Constipation
  • Dizziness
  • Ocular dryness
  • Dry mouth
  • Flu-like symptoms
  • Headache
  • Stomach ache
  • Mild stomach pain
  • Nausea
  • Weakness


It is important to contact a doctor immediately if you experience:


  • Rash
  • Urticaria
  • Itch
  • Difficulty breathing
  • Tightness in the chest
  • Unusual hoarseness
  • Back ache
  • Confusion
  • Difficult or painful urination
  • Fainting
  • Hallucinations
  • Inability to urinate
  • Irregular heartbeat
  • Severe or persistent stomach ache or constipation 
  • Severe or persistent headache, dizziness or drowsiness
  • Swelling of the hands, ankles or feet
  • Vision problems


Contraindications and warnings associated with the use of Darifenacin

Darifenacin is contraindicated in case of urinary retention, gastric retention, uncontrolled narrow-angle glaucoma or if you are at risk of developing one of these problems. It is also contraindicated in case of severe hepatic disorders or  if you are taking  potassium tablets.


Before starting treatment with darifenacin, it is important to tell your doctor if:


  • You have any allergies to the active substance, its excipients, or to any other drugs, food and various substances
  • You are taking any other medications, herbal remedies or supplements. Mentioning in particular:  potassium (taken orally via tablets), cimetidine, clarithromycin, itraconazole, ketoconazole, nefazodone, posaconazole, protease inhibitors, telithromycin, anticholinergics, flecainide, thioridazine or tricyclic antidepressants
  • You are suffering (or have suffered) from gastrointestinal problems, constipation, difficulty emptying the bladder, weak flow of urine, myasthenia gravis, increased pressure in the eye, glaucoma or liver problems
  • You are pregnant or breast-feeding


Darifenacin can potentially affect the ability to drive or operate hazardous machinery. This side effect can be aggravated by alcohol and certain other medications.