Cialis Dosage

Generic name: Tadalafil 2.5mg
Dosage form: tablet, film coated
Drug class: Impotence agents

Medically reviewed by Drugs.com. Last updated on Nov 13, 2024.

Do not split CIALIS tablets; entire dose should be taken.

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.

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.

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.

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.

Use with Food

CIALIS may be taken without regard to food.

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.

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.