Precautions
Drug information provided by: Merative, Micromedex®
It is important that your doctor check your progress at regular visits. Also, you must have your blood tested every other week for at least the first 4 to 16 weeks when you start using tacrine to see if this medicine is affecting your liver. If all of the blood tests are normal, you will still need regular testing, but then your doctor may decide to do the tests less often.
Tell your doctor if your symptoms get worse, or if you notice any new symptoms.
Before you have any kind of surgery, dental treatment, or emergency treatment, tell the medical doctor or dentist in charge that you are taking this medicine. Taking tacrine together with medicines that are sometimes used during surgery or dental or emergency treatments may increase the effects of these medicines.
Tacrine may cause some people to become dizzy, clumsy, or unsteady. Make sure you know how you react to this medicine before you do anything that could be dangerous if you are dizzy, clumsy, or unsteady.
Do not stop taking this medicine or decrease your dose without first checking with your doctor. Stopping this medicine suddenly or decreasing the dose by a large amount may cause mental or behavior changes.
If you think you or someone else may have taken an overdose of tacrine, get emergency help at once. Taking an overdose of tacrine may lead to seizures or shock. Some signs of shock are large pupils, irregular breathing, and fast weak pulse. Other signs of an overdose are severe nausea and vomiting, increasing muscle weakness, greatly increased sweating, and greatly increased watering of the mouth.
Portions of this document last updated: March 01, 2024
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