Browse Medications by Therapeutic Class: PDE5 Inhibitors (Erectile Dysfunction)

Written by Amar Lunagaria
Pharm.D • NiHowdy Founder

Reviewed by James Wong
Pharm.D • NiHowdy Founder
Updated Jan 27, 2025
•Published Jan 15, 2025

What are PDE5 Inhibitors (Erectile Dysfunction)?
How do PDE5 Inhibitors (Erectile Dysfunction) work?
- Relax the blood vessels in the penis.
- Increase blood flow in response to sexual stimulation.
- Support the natural erectile process.
What conditions do PDE5 Inhibitors (Erectile Dysfunction) treat?
- Erectile dysfunction (ED): Difficulty achieving or maintaining an erection.
- Pulmonary arterial hypertension (PAH): High blood pressure in the lungs.
- Benign prostatic hyperplasia (BPH): Improves urinary symptoms in some cases.
Common medications in PDE5 Inhibitors (Erectile Dysfunction)s
- Sildenafil (Viagra): Treats ED with fast-acting results.
- Tadalafil (Cialis): Offers long-lasting effects (up to 36 hours) for ED and BPH.
- Vardenafil (Levitra, Staxyn): Provides effective ED relief with fewer food interactions.
- Avanafil (Stendra): A newer option with quick onset and fewer side effects.
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List of drugs in PDE5 Inhibitors (Erectile Dysfunction)
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Benefits of PDE5 Inhibitors (Erectile Dysfunction)
- Improved ability to achieve and maintain erections.
- Enhanced confidence and quality of life.
- Natural timing, as these medications work only with sexual arousal.
Side effects of PDE5 Inhibitors (Erectile Dysfunction)
- Headaches or flushing.
- Nasal congestion or indigestion.
- Temporary vision changes (e.g., sensitivity to light or blurred vision).
- Rarely, prolonged erections or low blood pressure.
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*NiHowdy's prescription pricing is derived from various sources. While we strive to provide accurate estimates, the displayed price may not always match the pharmacy's charge. For precise pricing, please consult your pharmacy and present the BIN/GRP/PCN numbers from your NiHowdy coupon.