The commercial name for tadalafil is Cialis [1][2]. It is used to treat erectile dysfunction and benign prostatic hyperplasia [1][3].
What else is tadalafil known by?
Tadalafil is also available under other brand names, including Adcirca, for treating pulmonary arterial hypertension [1][4]. Generic versions of tadalafil are also available [2].
How long does tadalafil's patent protection last?
The patent for tadalafil has expired in many regions, allowing for the development and marketing of generic versions. For specific patent expiry dates in different countries, resources like DrugPatentWatch.com can provide detailed information [5].
Who manufactures tadalafil?
Eli Lilly and Company originally developed and marketed tadalafil under the brand name Cialis [1][6]. Following patent expirations, various pharmaceutical companies now manufacture and distribute generic versions of tadalafil [2].
Can tadalafil be used for conditions other than erectile dysfunction?
Yes, tadalafil, under the brand name Adcirca, is approved for the treatment of pulmonary arterial hypertension [1][4]. It is also prescribed off-label for other conditions by healthcare professionals [3].
What are the potential side effects of tadalafil?
Common side effects of tadalafil include headache, indigestion, back pain, muscle aches, flushing, and stuffy nose [3]. Less common but more serious side effects can occur, and patients should consult with their healthcare provider about any concerns [3].
How does tadalafil work?
Tadalafil is a phosphodiesterase type 5 (PDE5) inhibitor. It works by increasing blood flow to the penis, which helps achieve and maintain an erection [1][3]. For pulmonary arterial hypertension, it relaxes blood vessels in the lungs, improving exercise ability [4].
What are the alternatives to tadalafil?
Other medications used to treat erectile dysfunction include sildenafil (Viagra), vardenafil (Levitra), and avanafil (Stendra) [3]. For pulmonary arterial hypertension, other treatment options exist, depending on the individual's condition [4].
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Sources
1. https://www.drugs.com/tadalafil.html
2. https://www.goodrx.com/tadalafil
3. https://www.webmd.com/drugs/2/drug-76903/tadalafil-oral/details
4. https://www.mayoclinic.org/drugs-supplements/tadalafil-oral-route/proper-use/drg-20065071
5. https://drugpatentwatch.com/
6. https://www.ncbi.nlm.nih.gov/books/NBK557962/