Medication Information Leaflet

​What is this medication for?

This medication is used to treat premature ejaculation. It increases time to ejaculate, and thus reduces the stress you face over how fast you ejaculate and may improve your satisfaction during sexual intercourse. 

How should I take/use this medication?

  • Take this medication one to three hours before sexual activity, only when you need it.
  • This medication can be taken with or without food.

What should I do if I forget to take/use this medication?

  • Take this medication on a as-needed basis.
  • Do not take more than once a day.
  • Do not take more than the dose prescribed to you.

What precautions should I take?

Inform your healthcare professional if: 
  • You are allergic to this medication or any of the other ingredients of this medication
  • You are taking medications called Phosphodiesterase-5 Inhibitors such as Sildenafil, Tadalafil or Vardenafil
  • You have heart, kidney or liver problems 
  • You have a history of dizziness from low blood pressure or have had fainting episodes before
  • You have or ever had;
    • Glaucoma, a condition where the eye pressure is increased
    • Mood conditions such as depression, bipolar disorder, thoughts of suicide or harming yourself
    • Bleeding tendencies 
    • Epilepsy (fits)

What are some common side-effects of this medication?

  • Dizziness or feeling of light-headedness
    • Make sure you are not dehydrated (especially if you have not had anything to drink in the past 4-6 hours), sweating for a long period or have an illness involving fever, diarrhoea or vomiting. 
    • Take the medication with a full glass of water. 
    • Get up slowly from a sitting or lying position. 
    • This may affect your ability to drive and use machinery. Do not drive or do things that needs you to be alert.
  • Headache 
  • Nausea 

What are some rare but serious side-effects that I need to seek medical advice immediately?

  • The symptoms of a drug allergy include one or more of the following: 
    • Swollen face/eyes/lips/tongue
    • Difficulty in breathing
    • Itchy skin rashes over your whole body
  • Notice changes to your mood or having thoughts of harming yourself 
  • You have seizure episodes (fits) 
  • You faint or feel light headed/giddy when you stand up
  • Excessive sweating 
If you experience any of these symptoms, you should stop your medication and see your healthcare professional immediately.

What food or medication should I avoid when I take this medication?

Avoid drinking alcohol as it may increase the risk of fainting. 

Dapoxetine may interact with other medications. Inform your healthcare professional if you are taking or intend to take any other medication, supplements, traditional medications or herbal remedies. 
This includes certain medicines such as: 
  • Medicines used to treat human immunodeficiency virus (HIV) infection. 
  • Anti-fungal medicines (e.g. ketoconazole)
  • Medicines used for mood conditions
  • St John’s Wort 

How should I store this medication?

Store in a cool and dry place, away from direct sunlight. Keep this medication away from children. 

How should I throw away this medication safely?

Pack this medication into a black trash bag and seal it tightly before throwing into the rubbish chute or bin. 

If you take more than the recommended dose, please seek medical advice immediately. The information provided on this page does not replace information from your healthcare professional. Please consult your healthcare professional for more information.

This article is jointly developed by members of the National Medication Information workgroup. The workgroup consists of cluster partners (National Healthcare Group, National University Health System and SingHealth), community pharmacies (Guardian, Unity and Watsons) and Pharmaceutical Society of Singapore. The content does not reflect drug availability and supply information in pharmacies and healthcare institutions. You are advised to check with the respective institutions for such information.

Last updated on September 2019

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