Akathisia: Symptoms, Causes and Treatment

Akathisia is a movement-related side effect marked by a distressing inner restlessness and a need to keep moving. It is often linked to certain medicines and can improve when the cause is recognized and treated early.

Overview

Akathisia is a movement disorder that can leave a person feeling unable to stay still. The word is often used to describe both the physical restlessness and the uncomfortable inner pressure that drives it. Many people describe it as a need to pace, fidget, cross and uncross their legs, or keep shifting position just to get through the moment.

Although akathisia can look like agitation or anxiety from the outside, it is not the same thing. It is frequently a side effect of medication, especially some medicines used for mental health conditions, nausea, or other neurologic and medical problems. Recognizing it matters because the right response is usually not to “wait it out” without review, but to reassess the medicine plan with a clinician.

For people managing care from another country, akathisia can be especially confusing because the first concern may be the original illness being treated. A clear medical explanation helps patients understand whether the problem is the underlying condition, a drug effect, or another movement disorder that needs a different approach.

Symptoms

The hallmark of akathisia is a subjective sense of restlessness. People often say they feel as if they must move, even when they want to relax. This can be constant or can appear after a new medicine is started or a dose is changed.

Common signs include pacing, rocking, tapping the feet, shifting weight from one leg to another, repeatedly changing posture, or feeling unable to remain seated. Some people also report irritability, distress, trouble concentrating, sleep disruption, or a sense of being “trapped in motion.”

Symptoms are sometimes mistaken for anxiety, panic, or behavioral agitation. In practice, clinicians pay attention to both the feeling inside and the visible movements outside, because the inner restlessness is often what makes akathisia so difficult for patients to describe.

• Inner urge to move
• Difficulty sitting still
• Pacing or repetitive shifting
• Distress that may worsen at rest
• Sleep or concentration problems

Causes & Risk Factors

Akathisia is most often linked to medications that affect dopamine signaling in the brain. Antipsychotic medicines are a well-known cause, but they are not the only ones. Some antidepressants, anti-nausea medicines, and certain other neurologic drugs can also trigger restlessness in susceptible people.

It may appear soon after starting a medicine, after a dose increase, or sometimes after long-term use. In some cases, it develops during withdrawal or when a treatment is being changed. Because the timing can vary, a careful medication timeline is an important part of figuring out the cause.

Risk can be influenced by the specific drug, how quickly the dose is changed, past sensitivity to side effects, and the person’s overall medical situation. Younger adults, people taking multiple central nervous system medications, and those with a history of movement side effects may be more likely to experience it, but akathisia can occur in many different patients.

Diagnosis

Diagnosis starts with a conversation. A clinician will ask when the restlessness began, which medicines are being taken, whether any recent changes were made, and what the person feels internally when symptoms occur. This history is often more revealing than any single test.

Doctors also look for patterns that help distinguish akathisia from anxiety, agitation, restless legs syndrome, tremor, or other movement disorders. The key clue is often the combination of intense internal unease and a repeated need to move, especially after medication exposure.

Testing is not always needed, but it may be used to rule out other causes or to evaluate the person’s overall condition. For international patients, bringing a complete medication list — including brand names, recent changes, and over-the-counter products — can make the assessment faster and more accurate.

Treatment Options

Treatment focuses first on identifying and addressing the trigger. If a medicine is causing akathisia, a doctor may consider adjusting the dose, changing the timing, switching to another option, or replacing it with a different treatment when appropriate. These decisions should always be made under medical supervision, especially when the medication is being used for psychiatric or neurologic care.

In some cases, additional medicines are used to reduce symptoms. The choice depends on the person’s other health conditions and the suspected cause. Supportive care may also include review of all current medications, sleep support, and close follow-up to see whether the restlessness improves.

When akathisia is severe, prompt reassessment is important. The goal is not only symptom relief, but also keeping the original illness well controlled while avoiding unnecessary distress. A thoughtful, stepwise plan usually works better than making multiple changes at once.

• Review and adjust the suspected triggering medicine
• Consider symptom-relief medication when appropriate
• Monitor for improvement and side effects
• Reassess other medicines that may contribute

Prevention & Self-care

The best prevention is careful medication planning. When a new drug is started, especially one known to affect the nervous system, patients should know which new symptoms deserve attention. Early communication with the prescribing clinician can prevent a brief side effect from becoming a prolonged problem.

Self-care is supportive rather than curative. Gentle movement, a calm environment, regular sleep, and avoiding extra stimulants may make the experience more tolerable, but these steps do not replace medical review if akathisia is suspected. It is also helpful to keep a short symptom diary noting when restlessness begins and which medicines were taken.

For people traveling for care, organization matters. Keeping prescriptions, discharge notes, and prior medication changes in one place can help doctors understand the full picture. If follow-up will happen in another country, having a clear plan for who to contact if restlessness returns is especially useful.

When to See a Doctor

A doctor should be contacted promptly if a person develops new or worsening restlessness after starting or changing a medicine. This is especially important when the symptom is strong enough to interfere with sleep, work, eating, or the ability to remain seated during everyday activities.

Urgent medical review is sensible if the person feels severely distressed, cannot tolerate the symptoms, or has other concerning changes such as confusion, marked agitation, or thoughts of self-harm. Akathisia can be deeply uncomfortable, and quick evaluation can help prevent unnecessary suffering.

People should not stop psychiatric or neurologic medicines on their own unless a clinician specifically advises it. A safer approach is to seek medical guidance so the treatment can be adjusted in a controlled way. In coordinated international care, multidisciplinary specialists and JCI-accredited hospitals such as Acibadem Health Point can diagnose and treat akathisia for patients who need structured evaluation and follow-up.

Frequently asked questions

What does akathisia feel like?

Akathisia often feels like a strong inner restlessness and an urge to keep moving. People may pace, shift in their seat, or feel unable to relax even when they want to. The experience can be distressing and is not simply ordinary anxiety.

Which medicines can cause akathisia?

Akathisia is commonly linked to antipsychotic medicines, but it can also occur with some antidepressants, anti-nausea drugs, and other neurologic medications. The risk depends on the drug, the dose, and how quickly changes are made. A clinician can review the medicine list to identify possible triggers.

Is akathisia the same as restless legs syndrome?

They are different conditions, although both involve a need to move. Restless legs syndrome usually causes uncomfortable sensations mainly in the legs and tends to worsen at rest or at night. Akathisia is often more generalized and is closely tied to medication exposure.

Can akathisia go away on its own?

It may improve if the triggering medicine is changed or adjusted, but it should not be ignored. Because the symptoms can be intense and confusing, medical review is the safest way to decide what to do next. Quick recognition often leads to better relief.

How is akathisia treated?

Treatment usually starts by reviewing the medicine that may be causing it. A doctor may adjust the dose, switch treatments, or add another medicine to ease symptoms. The right plan depends on the person’s health needs and should be individualized.

When should someone seek urgent help?

Urgent help is appropriate if restlessness is severe, rapidly worsening, or accompanied by confusion, extreme agitation, or self-harm thoughts. It is also wise to seek prompt medical advice if symptoms begin soon after a medicine change. Early evaluation can prevent the problem from escalating.

References

• MedlinePlus
• National Institute of Mental Health
• NHS
• Merck Manual Professional Edition

This article is for general information only and is not a substitute for professional medical advice. Please consult a qualified doctor about your individual situation.