Medically reviewed by Alan Lucks | MD, Alan Lucks MDPC Private Practice - New York on January 22nd, 2026.
Cialis is a PDE5 inhibitor medication used to treat erectile dysfunction
Available in multiple dosage options with up to 36-hour effectiveness
Addresses both sexual function and prostate health for some patients
Requires sexual stimulation to be effective, not an automatic erection trigger
Erectile dysfunction (ED) affects millions of men worldwide, and Cialis interactions have become a critical topic in men's health. This medication, generically known as tadalafil, offers a comprehensive solution for those experiencing challenges with sexual performance. Since its FDA approval in 2003, Cialis has transformed treatment options, providing men with a reliable and flexible approach to managing erectile difficulties.
Cialis works by inhibiting the phosphodiesterase type 5 (PDE5) enzyme, which plays a crucial role in regulating blood flow. When sexual arousal occurs, the medication helps relax smooth muscles in blood vessels, facilitating improved blood circulation. Common side effects of ED medications are generally mild and manageable, making Cialis an attractive option for many patients.
The medication offers remarkable flexibility in dosing, with four primary strength options:
Dosage |
Usage Type |
Key Characteristics |
|---|---|---|
2.5 mg |
Daily |
Continuous low-dose option |
5 mg |
Daily |
BPH and ED management |
10 mg |
As needed |
Standard starting dose |
20 mg |
As needed |
Maximum recommended dose |
Most men start with the 10 mg tablet, taken approximately 30-60 minutes before sexual activity. The medication's unique effects of Cialis can last up to 36 hours, earning it the nickname "the weekend pill" due to its extended window of effectiveness.
While primarily known for treating ED, Cialis has additional medical applications. The medication effectively manages symptoms of benign prostatic hyperplasia (BPH) and can help improve urinary flow for men experiencing prostate-related issues. 10 common medications that can lead to ED often contrast with Cialis, which actually helps resolve sexual function challenges.
Patients should be aware of potential interactions and contraindications. Avoiding specific interactions when taking Cialis is crucial for safe medication use. Men taking nitrate medications or those with severe cardiovascular conditions should consult their healthcare provider before using Cialis.
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Erectile dysfunction (ED) affects millions of men worldwide, and Cialis interactions have become a critical topic in men's health. This medication, generically known as [...]
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