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When and How to Take Tacrine

General considerations for when and how to take tacrine include the following:
  • This medication comes in capsule form. It is usually taken by mouth four times daily.
  • It is best to take tacrine on an empty stomach (between meals), since food can decrease the drug's absorption into the body. However, if the medicine bothers your stomach, talk with your healthcare provider about taking it with food, which may help with stomach upset.
  • Be sure to take tacrine at the same times each day to maintain an even level in your blood.
  • For the medication to work properly, it must be taken as prescribed. Tacrine will not work if you stop taking it.

Dosing Information

The dose of tacrine your healthcare provider recommends will vary, depending on a number of factors, including:
  • Whether you develop high liver enzymes while taking it (measured using a blood test)
  • Other medications you may take
  • Other medical conditions you may have.
As is always the case, do not adjust your dose unless your healthcare provider specifically instructs you to do so.
(Click Tacrine Dosing for more information.)

Drug Interactions

Tacrine can potentially interact with a number of other medicines (see Drug Interactions With Tacrine).

What If I Take an Overdose of Tacrine?

People who take too much tacrine may have overdose symptoms that could include:
  • Nausea and vomiting
  • Increased salivation
  • Slow heart rate (bradycardia)
  • Low blood pressure (hypotension)
  • Seizures
  • Muscle weakness, including life-threatening weakness of the muscles used for breathing
  • Loss of life.
If you happen to overdose on this medicine, seek immediate medical attention.
(Click Cognex Overdose for more information.)
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Tacrine Drug Information

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