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Udenafil is a new phosphodiesterase type 5 (PDE5) inhibitor used to treat erectile dysfunction (ED). It has been approved in South Korea and will be marketed under the brand name Zydena. It is not yet approved for use in the U.S., E.U., or Canada.


Whenever you take more than one medicine, or mix it with certain foods or beverages, you're at risk of a drug interaction.

  • Interaction with Medicine
  • Myonit Injection
  • Glynit 2.6mg Tablet
  • Zynicor 5Mg Tablet
  • New GTN 6.4mg Table


The drug is taken orally, regardless of the meal.The recommended dose is 100 mg, take over 30 minutes before anticipated sexual activity.The dose may be increased to 200 mg, taking into account the individual efficacy and tolerability. The maximum recommended multiplicity of application - once a day.


  • Visual disturbance
  • Indigestion
  • Nasal congestion
  • Reddening of eyes
  • Headache
  • Reddening associated with warm feeling in the skin