Nitroglycerin

Absorption varies with site of application—more is absorbed through the chest.

Sustained-Release Capsules or Tablets

The smallest effective amount should be taken 2 or 3 times a day at 8- to 12-hour intervals.

CHILDREN

The safety and effectiveness of nitroglycerin have not been established for children.

OLDER ADULTS

In general, dosages less than the above adult dosages are recommended, since the elderly may be more susceptible to low blood pressure and headaches.

Overdosage

Any medication taken in excess can have serious consequences. Severe overdosage of nitroglycerin may result in death. If you suspect an overdose, seek medical attention immediately.

• Symptoms of overdose may include:
  Bluish skin, clammy skin, colic, coma, confusion, diarrhea (may be bloody), difficult and/or slow breathing, dizziness, fainting, fever, flushed skin, headache (persistent, throbbing), increased pressure within the skull, irregular pulse, loss of appetite, nausea, palpitations (an abnormally rapid throbbing or fluttering of the heart), paralysis, rapid decrease in blood pressure, seizures, slow or fast pulse/heartbeat, sweating, vertigo, visual disturbances, vomiting