What Are Antipsychotics? Uses and Side Effects

Dr. Amar Shinde
Written & Medically Reviewed By
Dr. Amar Shinde
Published on: 17 Dec 2024 | Last Updated on: 05 Oct 2026
What are antipsychotics Uses & Side Effects

Have you ever thought about a question—what are antipsychotics? These drugs are essential for treating several mental illnesses. Especially those that involve psychosis. This could be bipolar disorder and schizophrenia. Anyone coping with these illnesses must have a basic understanding of antipsychotics.

We shall examine the applications, workings, advantages, and possible drawbacks of antipsychotic drugs. You will also get to know about their significance in the treatment of mental illness.

What Are Antipsychotics?

A class of drugs known as antipsychotics. It is intended to treat and decrease the symptoms of psychosis. The symptoms can include delusions, hallucinations, and disordered thought patterns. These drugs fall into two primary categories: typical (first-generation) and atypical (second-generation) antipsychotics. [1]

  • Typical Antipsychotics: These drugs were created in the 1950s. These drugs mostly work by blocking the brain's dopamine receptors. They can have a higher risk of adverse effects. They are also useful in treating psychotic symptoms.
  • Atypical Antipsychotics: These drugs were created in the 1990s. These drugs work on both serotonin and dopamine receptors. It provides a wider variety of therapeutic alternatives. It also has fewer adverse effects than conventional antipsychotics.

People who have been diagnosed with severe depression, schizoaffective disorder, or schizophrenia are typically prescribed antipsychotics. This also includes people with mood disorders with psychotic symptoms.

Who Can Prescribe Antipsychotics?

Qualified medical professionals prescribe antipsychotic medications. This includes:

  • Psychiatrists: They are the specialized doctors who treat mental health disorders.
  • Primary Care Physicians: In some cases, general practitioners may prescribe antipsychotics. This is done only if they are comfortable carrying the treatment.
  • Nurse Practitioners and Physician Assistants: These professionals can also prescribe medications. This is done after evaluating the patient’s problems and discussing treatment options.

Healthcare professionals usually conduct a detailed evaluation before writing an antipsychotic prescription. This includes a review of the patient's medical history and a mental health assessment. Finally, a discussion of the potential advantages and disadvantages of the drug is done.

How Do Antipsychotics Work?

It is important to understand the mechanism of action of antipsychotics. This should be done to appreciate their importance in the treatment of mental illness. Antipsychotics mainly function by adjusting how neurotransmitters affect the brain. Dopamine and serotonin are the two main neurotransmitter components here.

  • Dopamine:  This neurotransmitter is essential for perception, thought, and mood regulation. A dopaminergic system that is overactive might cause psychotic symptoms.
  • Serotonin: This neurotransmitter affects anxiety, mood, and emotional equilibrium. Serotonin receptors are frequently the target of atypical antipsychotics. This helps the patient to control his/her mood and anxiety levels in addition to psychotic symptoms.

What Are the Potential Benefits of Antipsychotics?

The major advantages of antipsychotics are:

  • Reduction of Psychotic Symptoms: Antipsychotics are very useful in treating hallucinations, delusions, and disorders.  
  • Improved Mood Stability: Several atypical antipsychotics can help stabilize mood. People with bipolar disorder and other mood disorders may benefit from these medications.
  • Enhanced Functioning: Antipsychotic drugs can help people operate better in everyday life. It reduces incapacitating symptoms inside the body. This improves your relationships and quality of life.
  • Reduced Risk of Relapse: People with long-term mental health disorders can preserve stability. This can be done by using antipsychotics to help prevent relapse.
  • Complementary to Therapy: Psychotherapy and antipsychotic drugs are frequently used together to provide a detailed treatment plan. [2] This plan helps the patients tackle underlying problems as well as symptoms.

What Are the Different Types of Antipsychotics?

There are different types of antipsychotics. These could be broadly categorized into typical and atypical:

1. Typical Antipsychotics

  • Haloperidol (Haldol): It is one of the most commonly used typical antipsychotics. It is primarily known for its efficacy in treating acute psychosis and agitation.
  • Chlorpromazine (Thorazine): It is mainly prescribed for schizophrenia and severe behavioural issues in children.
  • Fluphenazine (Prolixin): It is effective in managing chronic psychosis. It is available in injection form.

2. Atypical Antipsychotics

  • Risperidone (Risperdal): It is used to treat schizophrenia, bipolar disorder, and irritability in autistic children.
  • Olanzapine (Zyprexa): Known for mood stabilisation. It is often used for bipolar disorder treatment.
  • Quetiapine (Seroquel): It’s effective for the treatment of bipolar disorder and depression. It is often used off-label for anxiety.
  • Aripiprazole (Abilify): Primarily known for its unique mechanism of action, it can serve as an adjunct treatment for depression. It is also used in treating schizophrenia.

Potential Side Effects of Antipsychotics

Despite their potential benefits, antipsychotic drugs have many drawbacks. Anyone thinking about taking these drugs or already taking them has to be aware of the possible negative consequences. Both typical and atypical antipsychotics can have somewhat different side effects. These are:

1. Common Side Effects

  • Drowsiness: Many individuals experience sedation when starting antipsychotic treatment, which may improve over time.
  • Weight Gain: It is mainly associated with atypical antipsychotics. Weight gain can be significant and lead to obesity-related health issues.
  • Dry Mouth: It is a common side effect. It can lead to discomfort and dental issues.
  • Constipation: Antipsychotics can slow down digestive function. It also results in constipation.

2. Movement Disorders

  • Extrapyramidal Symptoms (EPS): This disorder is linked with typical antipsychotics. These symptoms can include tremors, stiffness, and restlessness.
  • Dystonia: Involuntary muscle contractions are also seen among the patients. It causes painful postures or movements.
  • Akathisia: Patients feel inner restlessness and an urgent need to be in constant motion.

3. Metabolic Issues

  • Increased Blood Sugar Levels: Some atypical antipsychotics can increase the risk of diabetes. [3]
  • Cholesterol Changes: There can also be changes in lipid profiles. This can increase the risk of heart disease.

4. Hormonal Changes

  • Prolactin Increase: Some antipsychotics can elevate levels of prolactin. This leads to irregular menstrual cycles in women and sexual dysfunction in men.

5. Long-Term Risks

  • Tardive Dyskinesia: Repeated bodily motions are a defining feature of this dangerous illness. It is more common with long-term use of conventional antipsychotics. [4]
  • Neuroleptic Malignant Syndrome (NMS): A rare but potentially fatal antipsychotic side effect that manifests as fever. 

People on antipsychotics must discuss these possible effects with their doctor. Monitoring and control techniques can help reduce discomfort. These methods also help minimise health hazards.

Addressing Concerns and Misconceptions

Antipsychotic drugs may raise concerns for many people dealing with mental health issues. These concerns or other myths are important to address.

  • Dependence vs. Treatment: Antipsychotics do not cause cravings or dependence like other drugs. They treat the symptoms to stabilise mental health.
  • Informed Decisions: It's important to work closely with healthcare providers. This will help you to understand the risks and benefits of using the drugs. Informed patients are more compliant and engaged in their treatment plans.

Types of Therapy Beneficial for Individuals on Antipsychotics:

  • Cognitive Behavioral Therapy (CBT): This method focuses on recognising and altering harmful thought and behaviour patterns. People with bipolar disorder or schizophrenia may find it very helpful to manage both their symptoms and enhance their quality of life.
  • Supportive Therapy: This type of therapy helps patients get a clear idea regarding their illness and medicines. This is done by giving them emotional support and direction.
  • Family Therapy: Family members' participation in therapy can enhance communication. It also provides a network of support for the patient. This benefits people with long-term mental health conditions.
  • Psychoeducation: Patients and their families can be empowered to actively participate in the healing process. This could be done if they get information about the disease, available treatments, and coping mechanisms against it.

The Importance of Regular Monitoring

It is important to visit your doctor frequently when you are under antipsychotic medication. Regular monitoring helps guarantee the efficacy of the treatment. It also enables prompt modifications if you have serious effects or health problems. Regular evaluations are:

  • Evaluating the effectiveness of the medication
  • Monitoring for any side effects
  • Checking metabolic parameters, such as blood sugar and cholesterol levels
  • Assessing overall mental health and coping strategies

People on antipsychotics can greatly improve their quality of life and treatment outcomes. 

Bottom Line

Understanding antipsychotics and their uses helps individuals and families make informed decisions about mental health treatment. These medicines treat serious mental illnesses, stabilise symptoms and improve quality of life. Being aware of their possible side effects is equally important for safe and effective treatment.

If you or someone you know is experiencing mental health difficulties, seeking expert support is the first step. At Jagruti Rehab, we offer mental health and addiction care that looks after both mind and body, supporting a healthier, happier life.

You can visit our rehabilitation centre in Delhi to learn more about how we can support you. With the right treatment and support, recovery is possible, and your journey can start today. Don't hesitate to ask for help.

Frequently Asked Questions

No, antipsychotics are not addictive and do not cause cravings the way alcohol or drugs can. However, your body adjusts to them over time, so stopping suddenly can cause withdrawal effects or a return of symptoms. If you want to reduce or stop your medicine, speak to your psychiatrist so it can be done gradually and safely.

Some effects, such as feeling calmer or sleeping better, may appear within days. Improvement in psychotic symptoms like hallucinations and delusions usually takes longer, often several weeks. Your doctor will review your progress regularly and may adjust the dose or medicine if needed, so it is important to keep taking it as prescribed.

Feeling better usually means the medicine is working, not that it is no longer needed. Stopping without medical advice increases the risk of relapse. Your psychiatrist will consider your condition, history and progress before deciding whether and when your dose can be reduced, and will plan any change step by step.

No. The risk of weight gain varies between medicines. Some atypical antipsychotics are more likely to cause weight gain and metabolic changes than others. Your doctor can choose a medicine that suits your health needs and will monitor your weight, blood sugar and cholesterol. A balanced diet and regular activity also help manage this risk.

Antipsychotics can be used in older adults, but with extra caution. Older people may be more sensitive to side effects such as drowsiness, dizziness and falls. In older adults with dementia, antipsychotics carry serious risks, including stroke and increased risk of death, so they are prescribed only when the benefits clearly outweigh the risks.

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Dr. Amar Shinde
Written & Medically Reviewed By

Dr. Amar Shinde

Dr. Amar Shinde, founder of Jagruti Rehab, is a renowned psychiatrist in India with over two decades of experience in mental health, addiction recovery, and neuropsychiatry, dedicated to holistic, compassionate patient care.

Read full profile →

References

Last Updated: 05 Oct 2026

[1] Chokhawala KP, Stevens L. Antipsychotic Medications. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; updated 26 February 2023. Available from: https://www.ncbi.nlm.nih.gov/books/NBK519503/

[2] Siafis S, Tzachanis D, Samara M, Papazisis G. Antipsychotic Drugs: From Receptor-binding Profiles to Metabolic Side Effects. Current Neuropharmacology. 2018;16(8):1210–1223. doi:10.2174/1570159X15666170630163616. Available from: https://pmc.ncbi.nlm.nih.gov/articles/PMC6187748/

[3] MedlinePlus Medical Encyclopedia. Tardive dyskinesia. National Library of Medicine; reviewed 4 May 2026. Available from: https://medlineplus.gov/ency/article/000685.htm

[4] World Health Organization. Schizophrenia [Fact sheet]. Available from: https://www.who.int/news-room/fact-sheets/detail/schizophrenia

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