Contraindicated in:
Use Cautiously in:
CNS: fatigue, weakness, anxiety, depression, dizziness, drowsiness, insomnia, memory loss, mental status changes, nervousness, nightmares.
EENT: blurred vision, dry eyes, nasal stuffiness.
Resp: bronchospasm, wheezing.
CV: ARRHYTHMIAS, BRADYCARDIA, HF, PULMONARY EDEMA, orthostatic hypotension, peripheral vasoconstriction.
GI: constipation, diarrhea, nausea.
GU: erectile dysfunction, ↓ libido.
Derm: itching, rashes.
Endo: hyperglycemia, hypoglycemia.
MS: arthralgia, back pain, muscle cramps.
Neuro: paresthesia.
Misc: drug-induced lupus syndrome.
Drug-Drug:
Absorption: Well absorbed following oral administration.
Distribution: Moderate CNS penetration. Crosses the placenta; enters breast milk.
Metabolism/Excretion: Partially metabolized by the liver; 50% excreted unchanged by the kidneys.
Half-life: 34 hr.
NDC Code*