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Factive Dosage

Dosage form: tablet

The information at is not a substitute for medical advice. ALWAYS consult your doctor or pharmacist.

FACTIVE can be taken with or without food and should be swallowed whole with a liberal amount of liquid. The recommended dose of FACTIVE is 320 mg daily, according to the following table (Table 4).

Table 4.  Recommended Dosage Regimen of FACTIVE

The clinical decision regarding the use of a 5 or 7 day regimen should be guided by results of the initial sputum culture.

Table 4

The recommended dose and duration of FACTIVE should not be exceeded (see Table 2).

Use in Renally Impaired Patients: Dose adjustment in patients with creatinine clearance >40 mL/min is not required. Modification of the dosage is recommended for patients with creatinine clearance ≤40 mL/min. Table 5 provides dosage guidelines for use in patients with renal impairment.

Table 5.  Recommended Doses for Patients with Renal Impairment

Creatinine Clearance(mL/min) Dose
 >40  See Usual Dosage
 ≤40  160 mg every 24 hours

Patients requiring routine hemodialysis or continuous ambulatory peritoneal dialysis (CAPD) should receive 160 mg every 24 hours.

When only the serum creatinine concentration is known, the following formula may be used to estimate creatinine clearance.

Creatinine Clearance Formula

Creatinine Clearance Formula

Women: 0.85 x the value calculated for men

Use in Hepatically Impaired Patients: No dosage adjustment is recommended in patients with mild (Child-Pugh Class A), moderate (Child-Pugh Class B) or severe (Child-Pugh Class C) hepatic impairment.

Use in Elderly: No dosage adjustment is recommended.