This page contains brief details about the drug , it's indication, dosage & administaration, mechanism of action, related brands with strength, warnings and common side effects.

Background and Date of Approval

Tadalafil contains the active ingredient Tadalafil.  It was first approved by the U.S. Food and Drug Administration (FDA) on November 21, 2003, to treat erectile dysfunction. It has since received additional FDA approvals for treating pulmonary arterial hypertension and managing benign prostatic hyperplasia (BPH). Erectile dysfunction is an inability to keep an erection firm enough for sexual activity. BPH is a condition characterized by men's prostate gland enlargement. This medication is not used in women and individuals under 18. This medication can enhance sexual performance and improve overall sexual satisfaction. By facilitating the ability to achieve and maintain an erection, it can increase confidence and reduce anxiety related to sexual activity. 

Mechanism of Action of undefined

Tadalafil is a phosphodiesterase type 5 (PDE5) inhibitor,  it increases blood flow to the penis during sexual stimulation, facilitating the ability to achieve and maintain an erection. This improves sexual function, enhances sexual satisfaction, and increases confidence. 

Additionally, this medication relaxes the smooth muscles in the prostate and bladder, improving urine flow and decreasing urinary symptoms associated with BPH. Reducing urinary frequency, urgency, weak urine flow, and incomplete bladder emptying improve the quality of life for individuals with BPH.

Uses of undefined

Tadalafil treats Erectile dysfunction and benign prostate hyperplasia (BPH).

undefined Drug administaration and Dosage available

Tadalafil can be consumed orally as advised by the doctor. The capsules are typically taken with water, with or without food, following the prescribed dosage and frequency for oral consumption. It is usually taken as needed, approximately 30 minutes to 1 hour before sexual activity.

Warnings, Precautions and Side Effects of undefined


Tadalafil carries several important warnings that should be considered. These include the risk of priapism, a prolonged and painful erection requiring immediate medical attention. It can also cause drops in blood pressure, and individuals with pre-existing cardiovascular conditions should use caution. Rare sudden vision or hearing loss cases have been reported, and allergic reactions may occur. 


Tadalafil should be used with care in individuals with liver or kidney impairment, and caution is advised when consuming alcohol or grapefruit juice. Other considerations include the potential for interactions with certain medications and the need to disclose relevant medical conditions. Awareness of these warnings is crucial for the safe use of tadalafil.

Side Effects

Tadalafil can cause both common and serious side effects. Common side effects include headache, indigestion, back pain, muscle aches, flushing, and nasal congestion. Serious side effects are rare but may include allergic reactions, chest pain, irregular heartbeat, sudden vision loss or changes, priapism (prolonged and painful erection), and hearing loss or changes in hearing.

Word Of Advice

Tadalafil should be used with precautions and considerations. Before taking this medicine, inform your healthcare provider about any pre-existing medical conditions, especially cardiovascular issues, liver or kidney impairment, anatomical deformities of the penis, or a history of priapism. Use caution if you have a bleeding disorder, stomach ulcers, or retinitis pigmentosa. It may interact with certain medications, including nitrates and alpha-blockers. Avoid excessive alcohol consumption and grapefruit juice, as they can affect the metabolism and effectiveness of the medication. It should not be used in women and children below 18 years. A person's health and well-being should always be a top priority, and open communication with your healthcare provider is key to ensuring safe and effective use of medications.

Frequently Asked Question


  1. KD Tripathi, Essentials of Medical Pharmacology, Androgens and drugs for erectile dysfunction, 7th edition, 2013, 303-304.
  2. Accord Healthcare Limited, Electronic medicines compendium (EMC), [Revised on 7th October 2021] [ Accessed on 24th May 2023],
  3. Lilly USA, LLC, US Food and Drug Administration, [Revised on Oct 2011] [ Accessed on 24th May 2023],


The drug information on this page is not a substitute for medical advice. It is meant for educational purposes only. For further details, consult your doctor about your medical condition to know if you can receive this treatment.