Therapeutic Classification: antihypertensives, agents for attention deficit disorder
Pharmacologic Classification: alpha adrenergic agonists
BEERS REMS
Absorption: Immediate-release is well absorbed (80%); extended-release has lower rate and extent of absorption (↑ absorption with high-fat meals).
Distribution: Appears to be widely distributed.
Half-Life: 17 hr.
(antihypertensive effect)
ROUTE | ONSET | PEAK | DURATION |
---|---|---|---|
PO (single dose) | unknown | 812 hr | 24 hr |
PO (multiple doses) | within 1 wk | 13 mo | unknown |
Contraindicated in:
Use Cautiously in:
CV: bradycardia, chest pain, hypotension, palpitations, rebound hypertension, syncope
EENT: tinnitus
GI: constipation, dry mouth, abdominal pain, nausea
Neuro: drowsiness, headache, weakness, depression, dizziness, fatigue, insomnia, irritability
Resp: dyspnea
Drug-drug:
Hypertension
ADHD
Lab Test Considerations:
NDC Code