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Cialis® 5mg 28s

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What is this medication used for​​​?

Cialis® contains the active ingredient, tadalafil. Tadalafil is used to treat erectile dysfunction, a condition where you are unable to get or keep an erection firm enough to have sexual intercourse. It works by relaxing the blood vessels in your penis, allowing blood to flow into your penis when you get sexually excited. It can also be used for urinary symptoms associated with benign prostatic hyperplasia (enlarged prostate) with or without erectile dysfunction at the same time. It improves blood flow to, and relaxes the muscles of the prostate and bladder which may reduce symptoms of benign prostatic hyperplasia. For this indication, it has to be taken on a daily basis. 

Dosage and How to Use​

  • Take on a daily basis. Take at approximately the same time daily without regard to timing of sexual activity. 
  • This medication may be taken with or without food.

What to do if I missed a tablet?

  • Take the missed dose as soon as you remember. If it is close to the time for your next dose, skip the missed dose and go back to your normal time. Do not take 2 doses at the same time or extra doses.
  • Do not take more than the dose prescribed to you.

What are the possible side effects of the medicines?​

  • Facial flushing where the skin on your face feels hot
  • Headache
  • Nausea 
  • Back pain, muscle aches, pain in arms and legs
  • Nasal congestion 

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

Priapism (an erection that will not go away) - If you have an erection that lasts more than 4 hours, get medical help right away. If it is not treated right away, priapism can permanently damage your penis.

Sudden vision loss in one or both eyes - Sudden vision loss in one or both eyes can be a sign of a serious eye problem called non-arteritic anterior ischemic optic neuropathy (NAION). 

Sudden hearing decrease or hearing loss - Some people may also have ringing in their ears (tinnitus) or dizziness.

If you experience any of these symptoms, you should stop your medication and see your healthcare professional immediately.

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 medicines called Nitrates (such as sublingual nitroglycerin (also known as Glycerin Trinitrate or GTN), Isosorbide Mononitrate or Isosorbide Dinitrate), as the combination may lead to a dangerous fall in your blood pressure. Nitrates must be withheld at least 24 hours after the last dose of Sildenafil or Vardenafil, and 48 hours after the last dose of Tadalafil. 
  • Tell your doctor if you are taking any of these medicines which are often given for relief of angina (chest pain).  If you are not certain, ask your healthcare professional. 
  • You are taking medicines called Alpha-1 Blockers (such as Tamsulosin, Terazosin, Prazosin, Alfuzosin), as the combination may further lower your blood pressure. In order to reduce the chances of these symptoms occurring, you should be on a regular daily dose of your Alpha-blocker before you start drugs for erectile dysfunction.
  • You recently had a stroke or a heart attack, low blood pressure or uncontrolled high blood pressure 
  • You have severe heart, liver or kidney  problem 
  • You have certain rare inherited eye diseases (such as retinitis pigmentosa)
  • You have a stomach ulcer or bleeding problem
  • You have a deformity of your penis 

What other medications and foods should I avoid when taking Cialis®?

Avoid taking grapefruit, or grapefruit juice as they may interact with your medication and increase the risk of side-effects.

Drinking alcohol can temporarily weaken your ability to get an erection and may increase the blood pressure lowering effects of the medication, which can be dangerous. To get the maximum benefit from your medication, it is advisable not to drink excessive amounts of alcohol before taking this medication. 

Inform your healthcare professional if you are taking or intend to take any other medication, supplements, traditional medications or herbal remedies.

This includes certain medications such as:

  • Antibiotics
  • Anti-fungal medications
  • Medications used to treat human immunodeficiency virus (HIV) infection
  • Medications for epilepsy (fits)

Handling and storage

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

References

https://www.healthhub.sg/a-z/medications/340/Tadalafil