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Side Effects of Tacrine

Nausea, diarrhea, and increased liver enzymes are the most commonly reported side effects of tacrine. Some of the rare but possible side effects (occurring in less than 1 percent of people taking the drug) include hair loss, migraines, and gout. Certain tacrine side effects, while usually infrequent, are potentially serious and require immediate medical attention, such as jaundice, uncontrollable twitches, and seizures.

Side Effects of Tacrine: An Overview

As with any medicine, side effects are possible with tacrine hydrochloride (Cognex®); however, not everyone who takes the medication will experience side effects. In fact, many people tolerate it quite well. If side effects do occur, they are often minor and either require no treatment or can easily be treated by you or your healthcare provider.
(This article covers many, but not all, of the possible side effects with tacrine. Your healthcare provider can discuss a more complete list of side effects with you.)

Serious Side Effects Seen With Tacrine

Some side effects with tacrine, while usually infrequent, are potentially serious and should be reported immediately to your healthcare provider. These include, but are not limited to:
  • A dangerously slow heart rate (bradycardia)
  • Stomach ulcers or intestinal ulcers
  • Signs of liver damage, such as yellow eyes or skin (jaundice) or upper right abdominal pain, especially in combination with high liver enzymes
  • Difficulty passing urine
  • Seizures
  • Worsening of asthma
  • Uncontrollable body movements or twitches
  • Signs of an allergic reaction, including an unexplained rash, hives, itching, swelling of the mouth or throat, wheezing, or difficulty breathing.
5 Questions to Ask Your Doctor About ED

Tacrine Drug Information

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