May be taken with or without food: May be divided along the score-line. Whole tabs & divided halves must be swallowed whole, do not chew/crush.
Contraindications
Hypersensitivity. Shock, hypotension, constrictive cardiomyopathy & pericarditis. Must not be given w/ phosphodiesterase type 5 inhibitors (eg, sildenafil).
Not indicated for the relief of acute attacks. Patients w/ severe cerebral arteriosclerosis & hypotension. May affect ability to drive or operate machinery. Pregnancy & lactation.
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