Tadalafildosage
tadalafil 20 MG Oral Tablet [Cialis]
Dosage and administration
Do not split CIALIS tablets; entire dose should be taken. CIALIS 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. CIALIS 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.
BPH: 5 mg, taken at approximately the same time every day ED and BPH: 5 mg, taken at approximately the same time every day CIALIS may be taken without regard to food.
2.1 CIALIS for
Use as Needed for Erectile Dysfunction The recommended starting dose of CIALIS 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. CIALIS for use as needed was shown to improve erectile function compared to placebo up to 36 hours following dosing. Therefore, when advising patients on optimal use of CIALIS, this should be taken into consideration.
2.2 CIALIS for
Once Daily Use for Erectile Dysfunction The recommended starting dose of CIALIS for once daily use is 2.5 mg, taken at approximately the same time every day, without regard to timing of sexual activity. The CIALIS dose for once daily use may be increased to 5 mg, based on individual efficacy and tolerability.
2.3 CIALIS for
Once Daily Use for Benign Prostatic Hyperplasia The recommended dose of CIALIS for once daily use is 5 mg, taken at approximately the same time every day. When therapy for BPH is initiated with CIALIS and finasteride, the recommended dose of CIALIS for once daily use is 5 mg, taken at approximately the same time every day for up to 26 weeks.
2.4 CIALIS for
Once Daily Use for Erectile Dysfunction and Benign Prostatic Hyperplasia The recommended dose of CIALIS 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 CIALIS may be taken without regard to food.
2.6 Use in Specific
Populations Renal Impairment CIALIS 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. CIALIS for Once Daily Use Erectile Dysfunction Creatinine clearance less than 30 mL/min or on hemodialysis: CIALIS for once daily use is not recommended. 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: CIALIS for once daily use is not recommended. Hepatic Impairment CIALIS 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 CIALIS 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 CIALIS is not recommended. CIALIS for Once Daily Use Mild or moderate (Child Pugh Class A or B): CIALIS for once daily use has not been extensively evaluated in patients with hepatic impairment. Therefore, caution is advised if CIALIS for once daily use is prescribed to these patients. Severe (Child Pugh Class C): The use of CIALIS is not recommended.
2.7 Concomitant
Medications Nitrates Concomitant use of nitrates in any form is contraindicated. Alpha-Blockers ED — When CIALIS is coadministered with an alpha-blocker in patients being treated for ED, patients should be stable on alpha-blocker therapy prior to initiating treatment, and CIALIS should be initiated at the lowest recommended dose. BPH — CIALIS is not recommended for use in combination with alpha-blockers for the treatment of BPH. CYP3A4 Inhibitors CIALIS for Use as Needed — For patients taking concomitant potent inhibitors of CYP3A4, such as ketoconazole or ritonavir, the maximum recommended dose of CIALIS is 10 mg, not to exceed once every 72 hours. CIALIS 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.
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective June 3, 2026. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
This page reproduces regulatory text for reference. It is not medical advice, and KenyRx is not a pharmacy or a prescriber. Talk to a doctor or pharmacist about whether a medicine is right for you.
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