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Tag: Pde5 inhibitors

Explore our medication guides and pharmacology articles within this category.

How long does 100mg of Viagra stay in your system?

4 min read
With a terminal half-life of approximately four hours, a 100mg dose of Viagra is effective for a duration of around four to six hours, but traces of the medication can remain in the system for up to 24 hours. The complete clearance time depends on individual factors like metabolism, age, and health.

How long will Cialis last in your system?

3 min read
Cialis (tadalafil) has an average half-life of 17.5 hours, allowing its effects to last much longer than comparable erectile dysfunction medications. This extended window of opportunity, sometimes up to 36 hours, makes it a popular choice, but many users wonder exactly how long will Cialis last in your system before it is fully eliminated.

What Medications Cannot Be Taken with Cialis? A Guide to Critical Drug Interactions

5 min read
According to a 2025 study on tadalafil (Cialis) interactions, taking the drug with nitrates or guanylate cyclase stimulators is absolutely contraindicated and can cause a sudden, life-threatening drop in blood pressure. Understanding **what medications cannot be taken with Cialis?** is crucial for anyone using this medication for erectile dysfunction (ED) or benign prostatic hyperplasia (BPH).

What Medications Should Be Avoided While Taking Tamsulosin?

4 min read
Tamsulosin is a widely prescribed medication for benign prostatic hyperplasia (BPH) symptoms, yet it can cause dangerous interactions when combined with other drugs. This guide details **what medications should be avoided while taking tamsulosin** to help ensure patient safety and prevent adverse effects like dangerously low blood pressure.

Medications,Pharmacology: What works faster, Viagra or Cialis?

4 min read
According to clinical studies, sildenafil (Viagra) often begins to work in as little as 30 minutes, whereas tadalafil (Cialis) typically takes slightly longer to take full effect. Understanding **what works faster, Viagra or Cialis**, depends on key pharmacological differences related to onset and peak concentration.

Does Viagra Cause Back Pain? Understanding the Connection

4 min read
According to clinical studies, back pain is a reported side effect in up to 4% of patients taking Viagra (sildenafil) [1.2.1, 1.2.2]. So, **does Viagra cause back pain?** Yes, for a small percentage of users, it can be a temporary and manageable side effect.

Is sildenafil 100mg strong? Evaluating the Maximum Recommended Dose for ED

4 min read
Clinical studies show that 82% of men taking sildenafil 100mg experienced improved erectile function, compared to 74% of those on the 50mg dose. This performance difference prompts many to ask: **is sildenafil 100mg strong**? As the highest available dose for erectile dysfunction, its strength is determined by a patient's individual response, the severity of their condition, and tolerance to its effects.

Can I take Viagra if I have heart palpitations?

4 min read
According to a 2019 article, heart palpitations are a rare side effect of Viagra (sildenafil), occurring in some individuals as the heart adjusts to the drug's vasodilatory effects. If you have heart palpitations, the safety of taking Viagra depends on the underlying cause and your overall cardiovascular health.