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2 DOSAGE AND ADMINISTRATION Do not split Tadalafil Tablets; entire dose should be taken. Tadalafil tablets for use as needed: ED: Starting dose: 10 mg as needed prior to sexual activity. Increase to 20 mg or decrease to 5 mg based upon efficacy/tolerability. Improves erectile function compared to placebo up to 36 hours post dose. Not to be taken more than once per day ( 2.1 ). Tadalafil tablets for once daily use: ED: 2.5 mg taken once daily, without regard to timing of sexual activity. May increase to 5 mg based upon efficacy and tolerability ( 2.2 ). BPH: 5 mg, taken at approximately the same time every day ( 2.3 ) ED and BPH: 5 mg, taken at approximately the same time every day ( 2.3 , 2.4 ) Tadalafil tablets may be taken without regard to food ( 2.5 ). 2.1 Tadalafil Tablets for Use as Needed for Erectile Dysfunction The recommended starting dose of tadalafil tablets for use as needed in most patients is 10 mg, taken prior to anticipated sexual activity. The dose may be increased to 20 mg or decreased to 5 mg, based on individual efficacy and tolerability. The maximum recommended dosing frequency is once per day in most patients. Tadalafil tablets for use as needed were shown to improve erectile function compared to placebo up to 36 hours following dosing. Therefore, when advising patients on optimal use of tadalafil tablets, this should be taken into consideration. 2.2 Tadalafil Tablets for Once Daily Use for Erectile Dysfunction The recommended starting dose of tadalafil tablets for once daily use is 2.5 mg, taken at approximately the same time every day, without regard to timing of sexual activity. The tadalafil tablets dose for once daily use may be increased to 5 mg, based on individual efficacy and tolerability. 2.3 Tadalafil Tablets for Once Daily Use for Benign Prostatic Hyperplasia The recommended dose of tadalafil tablets for once daily use is 5 mg, taken at approximately the same time every day. When therapy for BPH is initiated with tadalafil tablets and finasteride, the recommended dose of tadalafil tablets for once daily use is 5 mg, taken at approximately the same time every day for up to 26 weeks. 2.4 Tadalafil Tablets for Once Daily Use for Erectile Dysfunction and Benign Prostatic Hyperplasia The recommended dose of tadalafil tablets for once daily use is 5 mg, taken at approximately the same time every day, without regard to timing of sexual activity. 2.5 Use with Food Tadalafil tablets may be taken without regard to food. 2.6 Use in Specific Populations Renal Impairment Tadalafil Tablets for Use as Needed Creatinine clearance 30 to 50 mL/min: A starting dose of 5 mg not more than once per day is recommended, and the maximum dose is 10 mg not more than once in every 48 hours. Creatinine clearance less than 30 mL/min or on hemodialysis: The maximum dose is 5 mg not more than once in every 72 hours [see Warnings and Precautions (5.7) and Use in Specific Populations (8.7) ] . Tadalafil Tablets for Once Daily Use Erectile Dysfunction Creatinine clearance less than 30 mL/min or on hemodialysis: Tadalafil tablets for once daily use is not recommended [see Warnings and Precautions (5.7) and Use in Specific Populations (8.7) ] . Benign Prostatic Hyperplasia and Erectile Dysfunction/Benign Prostatic Hyperplasia Creatinine clearance 30 to 50 mL/min: A starting dose of 2.5 mg is recommended. An increase to 5 mg may be considered based on individual response. Creatinine clearance less than 30 mL/min or on hemodialysis: Tadalafil tablets for once daily use is not recommended [see Warnings and Precautions (5.7) and Use in Specific Populations (8.7) ] . Hepatic Impairment Tadalafil Tablets for Use as Needed Mild or moderate (Child Pugh Class A or B): The dose should not exceed 10 mg once per day. The use of tadalafil tablets once per day has not been extensively evaluated in patients with hepatic impairment and therefore, caution is advised. Severe (Child Pugh Class C): The use of tadalafil tablets is not recommended [see Warnings and Precautions (5.8) and Use in Specific Populations (8.6) ] . Tadalafil Tablets for Once Daily Use Mild or moderate (Child Pugh Class A or B): Tadalafil tablets for once daily use has not been extensively evaluated in patients with hepatic impairment. Therefore, caution is advised if tadalafil tablets for once daily use is prescribed to these patients. Severe (Child Pugh Class C): The use of tadalafil tablets is not recommended [see Warnings and Precautions (5.8) and Use in Specific Populations (8.6) ] . 2.7 Concomitant Medications Nitrates Concomitant use of nitrates in any form is contraindicated [see Contraindications (4.1) ] . Alpha-Blockers ED — When tadalafil tablets are coadministered with an alpha-blocker in patients being treated for ED, patients should be stable on alpha-blocker therapy prior to initiating treatment, and tadalafil tablets should be initiated at the lowest recommended dose [see Warnings and Precautions (5.6) , Drug Interactions (7.1) , and Clinical Pharmacology (12.2) ] . BPH — Tadalafil tablets are not recommended for use in combination with alpha-blockers for the treatment of BPH [see Warnings and Precautions (5.6) , Drug Interactions (7.1) , and Clinical Pharmacology (12.2) ] . CYP3A4 Inhibitors Tadalafil Tablets for Use as Needed — For patients taking concomitant potent inhibitors of CYP3A4, such as ketoconazole or ritonavir, the maximum recommended dose of tadalafil tablets are 10 mg, not to exceed once every 72 hours [see Warnings and Precautions (5.10) and Drug Interactions (7.2) ] . Tadalafil Tablets for Once Daily Use — For patients taking concomitant potent inhibitors of CYP3A4, such as ketoconazole or ritonavir, the maximum recommended dose is 2.5 mg [see Warnings and Precautions (5.10) and Drug Interactions (7.2) ] .

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1 INDICATIONS AND USAGE Tadalafil tablets are phosphodiesterase 5 (PDE5) inhibitors indicated for the treatment of: erectile dysfunction (ED) ( 1.1 ) the signs and symptoms of benign prostatic hyperplasia (BPH) ( 1.2 ) ED and the signs and symptoms of BPH (ED/BPH) ( 1.3 ) If tadalafil tablets are used with finasteride to initiate BPH treatment, such use is recommended for up to 26 weeks ( 1.4 ).