7 DRUG INTERACTIONS

Overall, approximately 0.5% of all subjects treated with CIALIS for

• Before starting, discuss medical history: kidney, liver, heart, blood pressure.
• Also inform about history of peptic ulcers or bleeding disorders.
• Sickle cell anemia or multiple myeloma may increase priapism risk.
• Penile anatomical deformities (Peyronie’s disease) require caution.
• Allergies to tadalafil or any inactive ingredients.
• Blood disorders like leukemia may increase priapism risk.
• Doctor may need to adjust dose based on individual risk.
• Honest disclosure ensures safe and effective treatment.

on demand use discontinued treatment as a consequence of back pain/myalgia.

2.7 Concomitant Medications

Due to increased tadalafil exposure (AUC), limited clinical experience, and the lack of ability to influence clearance by dialysis, CIALIS for once daily use is not recommended in patients with creatinine clearance less than 30 mL/min [see Use in Specific Populations (8.7)]. Due to increased tadalafil exposure (AUC), limited clinical experience, and the lack of ability to influence clearance by dialysis, CIALIS for once daily use is not recommended in patients with cialis 5 miligramos creatinine clearance less than 30 mL/min. In patients with creatinine clearance 30 – 50 mL/min, start dosing at 2.5 mg once daily, and increase the dose to 5 mg once daily based upon individual response [see Dosage and Administration (2.6), Use in Specific Populations (8.7), and Clinical Pharmacology (12.3)]. In patients with mild or moderate hepatic impairment, the dose of CIALIS should not exceed 10 mg. Because of insufficient information in patients with severe hepatic impairment, use of CIALIS in this group is not recommended [see Use in Specific Populations (8.6)].

Does Cialis work and is it safe?

CIALIS for once daily use has not been extensively evaluated in patients with mild or moderate hepatic impairment. Because of insufficient information in patients with severe hepatic impairment, use of CIALIS in this group is not recommended [see Use in Specific Populations (8.6)]. Patients should be made aware that both alcohol and CIALIS, a PDE5 inhibitor, act as mild vasodilators. Therefore, physicians should inform patients that substantial consumption of alcohol (e.g., 5 units or greater) in combination with CIALIS can increase the potential for orthostatic signs and symptoms, including increase in heart rate, decrease in standing blood pressure, dizziness, and headache [see Clinical Pharmacology (12.2)]. CIALIS is metabolized predominantly by CYP3A4 in the liver. In the 1-year open label extension study, back pain and myalgia were reported in 5.5% and 1.3% of patients, respectively.

Diagnostic testing, including measures for inflammation, muscle injury, or

renal damage revealed no evidence of medically significant underlying pathology.

4.2 Hypersensitivity Reactions

Neither the rare postmarketing reports, nor the association of PDE5 inhibitor use and NAION in the observational studies, substantiate a causal relationship between PDE5 inhibitor use and NAION [see Adverse Reactions (6.2)]. Physicians should consider whether their patients with underlying NAION risk factors could be adversely affected by use of PDE5 inhibitors. Individuals with "crowded" optic disc are also considered at greater risk for NAION compared to the general population; however, evidence is insufficient to support screening of prospective users of PDE5 inhibitors, including CIALIS, for this uncommon condition. Patients with known hereditary degenerative retinal disorders, including retinitis pigmentosa, were not included in the clinical trials, and use in these patients is not recommended. Physicians should advise patients to stop taking PDE5 inhibitors, including CIALIS, and seek prompt medical attention in the event of sudden decrease or loss of hearing.

How Long Does It Take For Results?

It is not possible to determine whether these events are related directly to the use of PDE5 inhibitors or to other factors [see Adverse Reactions (6.1, 6.2)]. Physicians should discuss with patients the potential for CIALIS to augment the blood-pressure-lowering effect of alpha-blockers and antihypertensive medications [see Drug Interactions (7.1) and Clinical Pharmacology (12.2)]. Caution is advised when PDE5 inhibitors are coadministered with alpha-blockers. Consideration should be given to the following: Patients should be stable on alpha-blocker therapy prior to initiating a PDE5 inhibitor. Patients who demonstrate hemodynamic instability on alpha-blocker therapy alone are at increased risk of symptomatic hypotension with concomitant use of PDE5 inhibitors. Incidence rates for CIALIS for once daily use for ED, BPH and BPH/ED are described in Tables 2, 3 and 4.

5.1 Cardiovascular

In patients taking potent inhibitors of CYP3A4 and CIALIS for once daily use, the maximum recommended dose is 2.5 mg [see Dosage and Administration (2.7)]. The safety and efficacy of combinations of CIALIS and other PDE5 inhibitors or treatments for erectile dysfunction have not been studied. Inform patients not to take CIALIS with other PDE5 inhibitors, including ADCIRCA. Studies in vitro have demonstrated that tadalafil is a selective inhibitor of PDE5. Although CIALIS has not been shown to increase bleeding times in healthy subjects, use in patients with bleeding disorders or significant active peptic ulceration should be based upon a careful risk-benefit assessment and caution.

Overdose symptoms

The use of CIALIS offers no protection against sexually transmitted diseases. 6 ADVERSE REACTIONS 6.1 Clinical Trials ExperienceBecause clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice.Tadalafil was administered to over 9000 men during clinical trials worldwide. In trials of CIALIS for once daily use, a total of 1434, 905, and 115 were treated for at least 6 months, 1 year, and 2 years, respectively. For CIALIS for use as needed, over 1300 and 1000 subjects were treated for at least 6 months and 1 year, respectively.CIALIS for Use as Needed for EDIn eight primary placebo-controlled clinical studies of 12 weeks duration, mean age was 59 years (range 22 to 88) and the discontinuation rate due to adverse events in patients treated with tadalafil 10 or 20 mg was 3.1%, compared to 1.4% in placebo treated patients.When taken as recommended in the placebo-controlled clinical trials, the following adverse reactions were reported (see Table 1) for CIALIS for use as needed:CIALIS for Once Daily Use for EDIn three placebo-controlled clinical trials of 12 or 24 weeks duration, mean age was 58 years (range 21 to 82) and the discontinuation rate due to adverse events in patients treated with tadalafil was 4.1%, compared to 2.8% in placebo-treated patients.The following adverse reactions were reported (see Table 2) in clinical trials of 12 weeks duration:The following adverse reactions were reported (see Table 3) over 24 weeks treatment duration in one placebo-controlled clinical study:CIALIS for Once Daily Use for BPH and for ED and BPHIn three placebo-controlled clinical trials of 12 weeks duration, two in patients with BPH and one in patients with ED and BPH, the mean age was 63 years (range 44 to 93) and the discontinuation rate due to adverse events in patients treated with tadalafil was 3.6% compared to 1.6% in placebo-treated patients. Adverse reactions leading to discontinuation reported by at least 2 patients treated with tadalafil included headache, upper abdominal pain, and myalgia. In studies of CIALIS for once daily use, adverse reactions of back pain

• Side effects less common: diarrhea, dizziness, rash.
• Serious side effects: abrupt vision loss (non-arteritic anterior ischemic optic neuropathy).
• Also hearing loss, tinnitus, or priapism.
• NAION risk is very rare but increased in patients with certain risk factors.
• Smokers and those with high cholesterol may be at higher risk.
• Stop tadalafil and seek medical help if sudden vision loss occurs.
• Do not resume use without ophthalmologist evaluation.
• Report any hearing changes to your doctor.

and myalgia were generally mild or moderate with a discontinuation rate of <1%

across all indications.Across placebo-controlled studies with CIALIS for use as needed for ED,

diarrhea was reported more frequently in patients 65 years of age and older who

5.12 Effects on Bleeding

The following adverse reactions were reported (see Table 4).Additional, less frequent adverse reactions (<1%) reported in the controlled clinical trials of CIALIS for BPH or ED and BPH included: gastroesophageal reflux disease, upper abdominal pain, nausea, vomiting, arthralgia, and muscle spasm.Back pain or myalgia was reported at incidence rates described in Tables 1 through 4. In tadalafil clinical pharmacology trials, back pain or myalgia generally occurred 12 to 24 hours after dosing and typically resolved within 48 hours. The back pain/myalgia associated with tadalafil treatment was characterized by diffuse bilateral lower lumbar, gluteal, thigh, or thoracolumbar muscular discomfort and was exacerbated by recumbency. In general, pain was reported as mild or moderate in severity and resolved without medical treatment, but severe back pain was reported with a low frequency (<5% of all reports). When medical treatment was necessary, acetaminophen or non-steroidal anti-inflammatory drugs were generally effective; however, in a small percentage of subjects who required treatment, a mild narcotic (e.g., codeine) was used. were treated with CIALIS (2.5% of patients) [see Use in Specific Populations (8.5)].Across

What Are the Differences Between Tadalafil and Cialis?

In those patients who are stable on alpha-blocker therapy, PDE5 inhibitors should be initiated at the lowest recommended dose. In those patients already taking an optimized dose of PDE5 inhibitor, alpha-blocker therapy should be initiated at the lowest dose. Stepwise increase in alpha-blocker dose may be associated with further lowering of blood pressure when taking a PDE5 inhibitor. Safety of combined use of PDE5 inhibitors and alpha-blockers may be affected by other variables, including intravascular volume depletion and other antihypertensive drugs. [see Dosage and Administration (2.7) and Drug Interactions (7.1)].

Can Cialis be used to treat ED after prostate surgery?

The efficacy of the coadministration of an alpha-blocker and CIALIS for the treatment of BPH has not been adequately studied, and due to the potential vasodilatory effects of combined use resulting in blood pressure lowering, the combination of CIALIS and alpha-blockers is not recommended for the treatment of BPH. [see Dosage and Administration (2.7), Drug Interactions (7.1), and Clinical Pharmacology (12.2.)]. Patients on alpha-blocker therapy for BPH should discontinue their alpha-blocker at least one day prior to starting CIALIS for once daily use for the treatment of BPH. CIALIS should be limited to 5 mg not more than once in every 72 hours in patients with creatinine clearance less than 30 mL/min or end-stage renal disease on hemodialysis. [see Use in Specific Populations (8.7)]. all studies with any CIALIS dose, reports of changes in color vision were

• Cialis 5 mg is a popular choice for men seeking a daily ED treatment.
• It was approved by the FDA for this specific use in 2003.
• The medication can also relieve symptoms of prostate enlargement.
• Patients should monitor for any adverse reactions and report to their doctor.

rare (<0.1% of patients).The following section identifies additional, less frequent events (<2%) reported

• Cialis 5 mg is not intended for use in women.
• No studies have shown benefit in female sexual dysfunction.
• However, tadalafil is used off-label for some female conditions?
• Not recommended; potential harm during pregnancy.
• Do not expose fetuses to the drug.
• Nursing mothers should avoid use as tadalafil may pass into milk.
• Keep out of reach of women and children.
• Only male patients should take this medication.

in controlled clinical trials of CIALIS for once daily use or use as needed.