13 NONCLINICAL TOXICOLOGY 13.1 Carcinogenesis, Mutagenesis, Impairment
| Interaction With | Effect on Cialis | Potential Risks |
|---|---|---|
| Blood pressure medications | Enhanced effect | Risk of hypotension |
| Antifungal drugs (e.g., ketoconazole) | Increased levels | Side effects amplification |
| Protease inhibitors for HIV | Increased tadalafil levels | Potential toxicity |
of FertilityTadalafil was not carcinogenic to rats
- The onset of action for the daily dose is not immediate; allow several days.
- Steady-state concentration is achieved after about 5 days of consistent use.
- Some patients may see improvement in ED within 2-3 days of starting daily therapy.
- For BPH, meaningful symptom improvement typically occurs within 4 weeks.
- Patient satisfaction surveys often rate daily tadalafil highly for convenience.
or mice when administered daily for 2
| Medication | Onset of Action | Duration | Effectiveness | Notes |
|---|---|---|---|---|
| Cialis 5 mg | 30–60 minutes | Up to 36 hours | High for daily use | Long-lasting effects |
| Viagra 50 mg | 30–60 minutes | 4-6 hours | Effective for ED | Shorter duration |
| Levitra 10 mg | 30–60 minutes | 4-5 hours | Comparable to Viagra | Alternative for specific cases |
years at doses up to 400 mg/kg/day.
- Cialis 5 mg is available by prescription only.
- The medication helps relax blood vessels.
- It is suitable for men with frequent ED episodes.
- Patients should avoid grapefruit while on Cialis.
- Use caution when operating machinery.
- Alcohol can decrease the medication's effectiveness.
- Report any allergic reactions immediately.