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The Daily Insight

Are extrapyramidal symptoms dangerous

Author

Andrew Walker

Updated on April 09, 2026

In some cases, extrapyramidal symptoms may not affect you too much. In other cases, they might be painful or uncomfortable. They can negatively affect quality of life and contribute to frustration and distress.

How do you treat extrapyramidal side effects?

Treatment for all types of extrapyramidal side effects is based on discontinuation of the neuroleptic medication, or switching to an atypical neuroleptic, and pharmacologic treatments.

Which extrapyramidal symptoms are irreversible?

  • Hyperkinesia (lingual or facial) Blinking. Lip smacking. Sucking or chewing. Rolls or protrudes Tongue. Grimaces.
  • Choreoathetoid extremity movement. Clonic jerking fingers, ankles, toes.
  • Tonic contractions of neck or back.

Is EPS reversible?

There are six EPS syndromes. They can be divided into the reversible syndromes that occur within hours to days (e.g., acute dystonia, akathisia) or days to weeks (e.g., parkinsonism, NMS) and the potentially irreversible syndromes that occur after months to years of therapy (e.g., TD, focal perioral tremor).

Which drugs cause extrapyramidal symptoms?

Extrapyramidal symptoms are most commonly caused by typical antipsychotic drugs that antagonize dopamine D2 receptors. The most common typical antipsychotics associated with EPS are haloperidol and fluphenazine.

What are signs of akathisia?

  • Rock back and forth.
  • Pace or march in place.
  • Shift their weight from foot to foot.
  • Cross and uncross their legs.
  • Squirm or fidget.
  • Grunt or moan.

How long do extrapyramidal symptoms last?

In most cases, symptoms are reversible in days or weeks, but occasionally, especially in the elderly, or if long-acting injectable antipsychotics are used, symptoms may last for months. In about 15% of cases, parkinsonism may persist, raising the possibility of underlying Parkinson’s disease.

What are the side effects of compazine?

Drowsiness, dizziness, lightheadedness, blurred vision, constipation, or dry mouth may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly. To relieve dry mouth, suck on (sugarless) hard candy or ice chips, chew (sugarless) gum, drink water, or use a saliva substitute.

Is EPS the same as tardive dyskinesia?

Summary. Extrapyramidal symptoms can affect how you move, and tardive dyskinesia is one form of EPS that mostly affects your face. Both EPS and tardive dyskinesia are caused by antipsychotic medications.

Does Zyprexa cause EPS?

Some people may develop muscle related side effects while taking olanzapine. The technical terms for these are “extrapyramidal symptoms” (EPS) and “tardive dyskinesia” (TD). Symptoms of EPS include restlessness, tremor, and stiffness.

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Do EPS go away?

They can eventually go away on their own in time, but they can also be treated. Treatment generally involves lowering the dose or trying a different antipsychotic.

What is the first line treatment for extrapyramidal symptoms?

Anticholinergic agents are a first-line treatment for drug-induced EPS, followed by amantadine. ECT is one of the most effective treatments for EPS.

Do all antipsychotics cause EPS?

Nonetheless, reduced EPS are not the same as no EPS, and most of the newer antipsychotics can still cause EPS in some patients. The incidence of EPS differs among the SGAs, with risperidone associated with the most and clozapine and quetiapine with the fewest EPS.

Why do extrapyramidal symptoms occur?

Extrapyramidal symptoms are caused by dopamine blockade or depletion in the basal ganglia; this lack of dopamine often mimics idiopathic pathologies of the extrapyramidal system.

What are the most common side effects of antipsychotics?

  • Drowsiness.
  • Dizziness.
  • Restlessness.
  • Weight gain (the risk is higher with some atypical antipsychotic medicines)
  • Dry mouth.
  • Constipation.
  • Nausea.
  • Vomiting.

Can Benadryl cause extrapyramidal symptoms?

In primary analysis, diphenhydramine had no effect on the incidence of extrapyramidal symptoms (7 studies, n = 1393, risk ratio [RR] 0.75; 95% confidence interval [CI] 0.44–1.31) or akathisia (5 studies, n = 1094; RR 0.78; 95% CI 0.33–1.82) or any of the secondary outcomes.

Is EPS caused by too much dopamine?

Neuroleptic-induced EPS are thought to be caused by blockade of nigrostriatal dopamine tracts resulting in a relative increase in cholinergic activity; tardive dyskinesia is less well understood but is thought to be a supersensitivity response to chronic dopamine blockade.

Is acute dystonia permanent?

There’s no cure for dystonia. But medications can improve symptoms. Surgery is sometimes used to disable or regulate nerves or certain brain regions in people with severe dystonia.

Can akathisia be permanent?

Akathisia generally begins shortly after starting the medication. Tardive akathisia typically occurs later, after prolonged use. Tardive akathisia may not resolve quickly after stopping the medication causing the symptoms, it may improve over several months, or it may be permanent.

What is the difference between akathisia and dystonia?

Tardive dystonia is also focal in onset and starts in the face and neck regions but can unfortunately spread to other body parts. Akathisia is a sensation of motor restlessness that is present in the entire body. Patients experiencing it are extremely uncomfortable and pace to relieve the discomfort.

Does akathisia get worse?

Akathisia may also appear to be a worsening of a disorder. Consumers may then be diagnosed incorrectly and wrongly treated by increasing their current dose, which could lead to a worsening of the akathisia. This side effect may cause a patient to want to stop taking their medication.

Which medication may be used to counteract extrapyramidal side effects?

Benzodiazepines are sometimes prescribed to help counteract extrapyramidal side effects, as are anti-parkinsonism drugs called anticholinergics. Antipsychotics block dopamine, which is what causes the extrapyramidal side effects in the first place.

What are extrapyramidal effects?

The term “extrapyramidal effects” describes involuntary movements that you cannot control. These side effects are most common when taking antipsychotic medications? When you experience extrapyramidal effects, movements that were once voluntary happen without your control.

Which of the following antipsychotic drugs has the highest rate of extrapyramidal effects?

Risk factors are the choice of a particular second-generation agent (with clozapine carrying the lowest risk and risperidone the highest), high doses, history of previous extrapyramidal symptoms, and comorbidity.

Does Risperdal cause EPS?

Some people may develop muscle related side effects while taking risperidone. The technical terms for these are “extrapyramidal symptoms” (EPS) and “tardive dyskinesia” (TD). Symptoms of EPS include restlessness, tremor, and stiffness.

Is Compazine safe?

When used in the treatment of non-psychotic anxiety, Compazine® (prochlorperazine maleate tablets USP) should not be administered at doses of more than 20 mg per day or for longer than 12 weeks, because the use of Compazine® (prochlorperazine maleate tablets USP) at higher doses or for longer intervals may cause …

When should you not use Compazine?

  1. breast cancer.
  2. a high prolactin level.
  3. low amount of magnesium in the blood.
  4. low amount of calcium in the blood.
  5. low amount of potassium in the blood.
  6. overweight.
  7. anemia.
  8. decreased blood platelets.

How safe is prochlorperazine?

This medicine may cause dizziness or blurred vision and may impair your reactions. Dizziness can cause falls, accidents, or severe injuries. Avoid getting up too fast from a sitting or lying position, or you may feel dizzy. Prochlorperazine could make you sunburn more easily.

Is 5mg of Zyprexa a lot?

Your doctor may ask you to increase or decrease your dose, but this will depend on how well olanzapine works to help manage your symptoms. Most people feel better with daily doses of 5mg to 20mg.

What is the strongest antipsychotic drug?

Clozapine, which has the strongest antipsychotic effect, can cause neutropenia. A problem in the treatment of schizophrenia is poor patient compliance leading to the recurrence of psychotic symptoms.

Does olanzapine cause brain damage?

When taken together, both olanzapine and illness relapse have an effect on brain structure. Unlike uncontrolled studies, our randomized double-blind placebo-controlled clinical trial design provides potential evidence for causation: olanzapine administration may cause a decrease in cortical thickness in humans.