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Kapvay Dosage

Dosage form: tablet, extended release
Drug class: Antiadrenergic agents, centrally acting

Medically reviewed by Last updated on Nov 2, 2022.

General Dosing Information

KAPVAY is an extended-release tablet to be taken orally with or without food. Swallow tablets whole. Do not crush, chew, or break tablets because this will increase the rate of clonidine release.

Due to the lack of controlled clinical trial data and differing pharmacokinetic profiles, substitution of KAPVAY for other clonidine products on a mg-per-mg basis is not recommended [see Clinical Pharmacology (12.3)].

Dose Selection

The dose of KAPVAY, administered either as monotherapy or as adjunctive therapy to a psychostimulant, should be individualized according to the therapeutic needs and response of the patient. Dosing should be initiated with one 0.1 mg tablet at bedtime, and the daily dosage should be adjusted in increments of 0.1 mg/day at weekly intervals until the desired response is achieved. Doses should be taken twice a day, with either an equal or higher split dosage being given at bedtime (see Table 1).

Table 1 KAPVAY Dosing Guidance
Total Daily Dose
Morning Dose
Bedtime Dose
0.1 mg/day
0.1 mg
0.2 mg/day
0.1 mg
0.1 mg
0.3 mg/day
0.1 mg
0.2 mg
0.4 mg/day
0.2 mg
0.2 mg

Doses of KAPVAY higher than 0.4 mg/day (0.2 mg twice daily) were not evaluated in clinical trials for ADHD and are not recommended.

When KAPVAY is being added-on to a psychostimulant, the dose of the psychostimulant can be adjusted depending on the patient's response to KAPVAY.


When discontinuing KAPVAY, the total daily dose should be tapered in decrements of no more than 0.1 mg every 3 to 7 days to avoid rebound hypertension [see Warnings and Precautions (5.3)].

Missed Doses

If patients miss a dose of KAPVAY, they should skip that dose and take the next dose as scheduled. Do not take more than the prescribed total daily amount of KAPVAY in any 24-hour period.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.