Additional information
| Active substance | Udenafil  | 
		
|---|---|
| Active Half-Life | 11-13 hours  | 
		
| Classification | PDE5 inhibitor  | 
		
| Dosage | Men 100 mg/day  | 
		
| Acne | No  | 
		
| Water Retention | No  | 
		
| HBR | Perhaps  | 
		
| Hepatotoxicity | No  | 
		
| Aromatization | No  | 
		
| Lab Test | Not typically required for monitoring  | 
		
| Also known as | DA-8159  | 
		
| Blood pressure | Can cause a slight decrease in blood pressure  | 
		
| Trade name | Zydena  | 
		
| FORM | 4 pills x 100 mg  | 
		
| Storage conditions | Store at room temperature, away from moisture and heat  | 
		
| Chemical name | 3-(6,7-Dihydro-5H-cyclopenta[b]pyrazin-1-yl)-5-(2,3-dihydro-1H-inden-5-yl)-7-oxo-1,6-dihydro-1H-pyrazolo[4,3-d]pyrimidin-4-ylamine  | 
		
| Formula | C25H36N6O4  | 
		
| Substance class | Phosphodiesterase type 5 (PDE5) inhibitor  | 
		
| Main action | Enhances erectile function by increasing blood flow to the penis  | 
		
| Half-life | Approximately 11-13 hours  | 
		
| Dosage (medical) | Typically 100 mg taken orally about 30 minutes to 12 hours before sexual activity  | 
		
| Dosage (sports) | Not applicable  | 
		
| Effects | Improvement in erectile function and sexual performance  | 
		
| Side effects | Headache, flushing, dyspepsia, nasal congestion, dizziness, and visual disturbances  | 
		
| Use in sports | None, as it is not known to enhance athletic performance  | 
		
| Manufacturer | Sunrise Remedies  | 
		




