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Tadalafil

Description

Tadalafil, a medication in the phosphodiesterase (PDE-5) inhibitor class, is us

ed to treat both erectile dysfunction (ED) and urinary symptoms caused by an enlarged prostate, known as benign prostatic hyperplasia (BPH). For ED, it works by relaxing the muscles in the penile blood vessels, increasing blood flow and helping to produce an erection. In BPH, Tadalafil relaxes the muscles in the prostate gland and bladder to help relieve symptoms such as difficulty urinating. Common side effects of Tadalafil include flushing, headache, muscle pain, a stuffy nose, back pain, and upset stomach. For erectile dysfunction, Tadalafil should be taken about one hour before sex, though it can be taken anywhere from 30 minutes up to four hours beforehand. It is important not to take more than one dose per day. Tadalafil is also used to treat urinary symptoms related to an enlarged prostate. Patients should be aware that the medication may cause dizziness or blurred vision; therefore, it's best to avoid driving or operating machinery until they see how it affects them. Drinking alcohol while taking Tadalafil can worsen dizziness and may also reduce your ability to get an erection. Seek immediate medical help if an erection lasts more than four hours. Tadalafil should not be used if you have recently taken nitrates for chest pain, or if you have had a heart attack in the past three months, or a stroke or heart failure in the past six months. Tadalafil does not affect fertility or delay ejaculation. While a small amount of alcohol may not cause a problem, drinking five units or more can increase side effects like headache, dizziness, increased heart rate, and low blood pressure. You should stop taking Tadalafil and see a doctor immediately if you experience sudden loss of vision, hearing, ringing in your ears, or dizziness. Also, seek medical help for prolonged erections lasting more than four hours or a painful erection lasting more than six hours.

uses

Uses

Tadalafil is used to treat both erectile dysfunction (ED) and urinary symptoms caused by an enlarged prostate, known as benign prostatic hyperplasia (BPH).
contraindications

Contraindications

When should one not use Tadalafil

  • If you are allergic to tadalafi.
  • If you are taking medicine known to cause vasodilator effects such as amyl nitrate or nitrates.
  • If you are taking riociguat medicine used for the treatment of arterial blood pressure.
  • If you have a known history of any heart problem such as heart failure.
  • If you had a stroke in the past 6 months, heart attack in the last 90 days, or breathlessness or chest pain during sexual activity.
  • If you have a known history of liver disorders, low blood pressure, stroke or heart blockage.
  • If you have a known history of eye problems like retinitis pigmentosa (a genetic disorder that may cause loss of vision).
  • If you are not sure if you are taking this medicine carry the medicine packet along with you to the clinic.
sideEffects

Side effects

Common side effects of this drug are:

  • Headache
  • Dizziness
  • Indigestion
  • Nasal congestion
  • Back pain
precautionsAndWarnings

Precautions and Warnings

driving

Driving

Q:
Can I drive if I have consumed Tadalafil ?
A:
If you experience dizziness and altered vision after taking Tadalafil, it is advised to avoid driving or be cautious while driving.
alcohol

Alcohol

Q:
Can I consume alcohol with Tadalafil ?
A:
Consumption of alcohol may temporarily decrease the ability to get an errection. To gain maximum for using Tadalafil it is recommended not to consume alcohol with or before taking Tadalafil.
otherGeneralWarnings

Other General Warnings

Talk to your doctor if
  • You are a known patient with heart problems.
  • You have any physical deformites of the genital organ penis.
  • You experience sudden vision loss or hearing loss.
  • Your erection last for more than 4 hours after taking the medicne.
  • This medicine is not recommended for women.
  • You have kidney or liver problems
  • Tadalafil should not be used in children below 18 years of age.
modeOfAction

Mode of Action

How Does It Work?

Tadalafil acts by relaxing the blood vessels and improve the flow of blood into the male genital organ for sexual arousal and as a result, this helps in maintaining the erection.
interactions

Interactions

Interactions with other medicines

  • Some medicines can affect the way Tadalafils work or this medicine itself can reduce the effectiveness of other medicines taken at the same time.
  • Tell your doctor about all the medicines, supplements or herbals you are currently taking or might take to avoid any possible interaction. Also, you should inform your doctor if you have a planned su...
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  • Concomitant administration of Tadalafil along with medicines containing nitrates leads to severe hypotensive effects (low blood pressure).
  • In particular, if you are taking medicines to treat heart failure, anti-HIV medicine, anti-infectives, anti-diabetics, anti-asthmatics, pain killers, immunomodulatory medicines or medicines for the b...
    Read more
dosage

Dosage

Overdose

If you think you have taken too much of this medicine contact your doctor immediately or visit the nearest hospital.

Missed a Dose

You should never miss a dose of this medicine and take the missed dose as soon as possible. Do not take two doses of this medicine to compensate for the missed dose.

Content Details

WRITTEN BY
doctor

Dr. Mansi Savla

B. Pharm, PharmD

REVIEWED BY
doctor

Dr. Ritu Budania

MBBS, MD (Pharmacology)

Frequently Asked Questions (FAQs)

^

Q: What are the side effects of Tadalafil?

A: Tadalafil may cause headaches, back pain, muscle aches, arm and leg pain, facial flushing (redness of the skin on the face), nasal congestion, and indigestion. Inform your doctor if any side effects bother you or do not resolve over time.

Q: Can I take Tadalafil daily?

A: Tadalafil has been prescribed for the treatment of erectile dysfunction. It's best to take it an hour before sexual activity, as prescribed by your doctor. It is advised to take this medicine as prescribed by your doctor, do not take more than the prescribed dose in any case.

Q: Is Tadalafil safe?

A: You should take this medicine as advised by your doctor at the prescribed dose and duration. Exceeding the recommended dose can be harmful.
Last Updated on: 17 Sep 2025 | 03:49 PM (IST)

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Disclaimer
The information provided herein is supplied to the best of our abilities to make it accurate and reliable as it is published after a review by a team of professionals. This information is solely intended to provide a general overview on the product and must be used for informational purposes only. You should not use the information provided herein to diagnose, prevent, or cure a health problem. Nothing contained on this page is intended to create a doctor-patient relationship, replace or be a substitute for a registered medical practitioner's medical treatment/advice or consultation. The absence of any information or warning to any medicine shall not be considered and assumed as an implied assurance. We highly recommend that you consult your registered medical practitioner for all queries or doubts related to your medical condition. You hereby agree that you shall not make any health or medical-related decision based in whole or in part on anything contained in the Site. Please click here  for detailed T&C.
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