After an oral dose, about 70% of the drug is excreted from the body within 24 hours.
In man, an oral dose of 50 mg produced no effects on blood pressure.
In man, a total oral dose of 1 g also produced no effects.
Take the missed oral dose as soon as you remember.
About eight such cases occur each year in the United States, one for every 2.4 million oral doses given.
Take each oral dose with a full glass of water.
Take each oral dose with food to increase the absorption of the drug in your body.
The half life is 12 to 17 hours for an oral dose, and 40 to 50 days (!)
The usual oral daily doses are between 2 and 16 mg.
I suspect the oral dose can have some cardiovascular effects as well.