: a drug C22H19N3O4 that is used to treat erectile dysfunction and benign prostatic hyperplasia and functions similarly to sildenafil

Note: Tadalafil is marketed under the trademark Cialis.

Examples of tadalafil in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Visits cost $59, but doses of 50 mg sildenafil or 5 mg tadalafil go for as little as $0.50 per dose. Amber Smith, Discover Magazine, 19 Sep. 2023 Specifically, tadalafil and nitrates like nitroglycerin can lower blood pressure to dangerous levels. Chris Smith, BGR, 1 Oct. 2022

Word History

First Known Use

2001, in the meaning defined above

Time Traveler
The first known use of tadalafil was in 2001

Dictionary Entries Near tadalafil

Cite this Entry

“Tadalafil.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tadalafil. Accessed 29 Dec. 2024.

Medical Definition

tadalafil

noun
: a drug C22H19N3O4 taken orally to treat erectile dysfunction, benign prostatic hyperplasia, and hypertension of the lungs and that functions similarly to sildenafil

Note: Tadalafil is marketed under the trademark Cialis to treat erectile dysfunction and benign prostatic hyperplasia and under the trademark Adcirca to treat pulmonary arterial hypertension.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!