Parkinsons Disease Home > Cogentin Overdose

If you take too much Cogentin (benztropine mesylate), overdose symptoms may occur, such as hallucinations, difficulty swallowing, or blurred vision. However, the specific effects of an overdose on Cogentin will vary, depending on how much was taken and whether it was taken with other substances. Treatment for a Cogentin overdose may include administering certain medications, pumping your stomach, or providing supportive care.

Overdosing on Cogentin: An Introduction

Cogentin® (benztropine mesylate) is a prescription medication that belongs to a group of drugs known as anticholinergics. As with any medication, it is possible to take too much Cogentin. The specific effects of a Cogentin overdose can vary, depending on a number of factors, including the Cogentin dosage and whether it was taken with any other medications or substances.

Symptoms of a Cogentin Overdose

As an anticholinergic medication, Cogentin is prone to causing a certain group of side effects (known as anticholinergic side effects), which may be more severe if too much is taken. These side effects include:
  • Drowsiness, followed by hyperactivity
  • Confusion
  • Nervousness
  • Hallucinations
  • Dizziness or coordination problems
  • Muscle weakness
  • Feelings of a rapidly or forcefully beating heart (known as heart palpitations)
  • Numb fingers
  • Difficulty swallowing
  • Painful or difficult urination
  • Dry mouth
  • Blurred vision
  • Dilated (wide open) pupils
  • A rapid heart rate (tachycardia)
  • High blood pressure (hypertension)
  • Nausea and vomiting
  • Headaches
  • Coma
  • Seizures
  • Fever or heat stroke
  • Glaucoma
  • Constipation.
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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