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Published on: 9/26/2026

What are the side effects of Abilify?

Common side effects of Abilify (aripiprazole) include nausea, vomiting, constipation, headache, dizziness, restlessness or inner agitation (akathisia), trouble sleeping, drowsiness, increased appetite with weight gain, and tremor. Less common but more serious effects can include uncontrollable movements (tardive dyskinesia), elevated blood sugar or cholesterol, low blood pressure when standing, new compulsive behaviors such as gambling or binge eating, seizures, and rare neuroleptic malignant syndrome. Risk and severity differ depending on your dose, age, diagnosis, and other medications, so there are several important factors to consider before assuming a symptom is harmless or drug-related, and details on warning signs that need urgent care are explained more fully below.

Because many Abilify side effects overlap with symptoms of anxiety, depression, thyroid problems, or other conditions, guessing can delay the right treatment or lead you to stop a medication too abruptly. Take a free, instant, online symptom check to help clarify what may be driving how you feel and get guidance on the most sensible next steps to discuss with your prescriber.

Last reviewed for medical accuracy: 09/26/2026

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Explanation

What Are the Side Effects of Abilify?

Aripiprazole (brand name: Abilify) is an antipsychotic medication used to treat schizophrenia, bipolar disorder, major depressive disorder (as an add-on), and irritability associated with autism. Like any medication, Abilify can cause side effects. Below is a detailed, easy-to-understand overview of what to expect, how often certain reactions occur, and what to do if you notice them.

Why Monitoring Side Effects Matters

• Everyone reacts differently.
• Most side effects are mild and improve over time or with dose tweaks.
• Some reactions can be serious—early detection helps keep you safe.
• Keeping a simple diary of any new symptoms makes conversations with your doctor more productive.

Common Side Effects (Affecting More Than 1 in 100 People)

These tend to appear early in treatment and often lessen within days to weeks.

  • Nausea and Vomiting: Mild stomach upset. Try eating smaller meals, sipping ginger tea, or taking the dose with food.
  • Headache: Often temporary. Over-the-counter pain relievers (with your doctor’s OK) or hydration can help.
  • Insomnia or Restlessness (Akathisia): A feeling of inner restlessness or trouble sleeping. Establish a calming bedtime routine, limit caffeine, and talk to your doctor if it persists.
  • Anxiety: New or increased feelings of nervousness. Relaxation techniques (deep breathing, meditation) may ease this.
  • Drowsiness or Fatigue: May affect coordination. Avoid driving or heavy machinery until you know how you respond.
  • Dizziness or Lightheadedness: Especially when standing up quickly. Rise slowly and stay hydrated.
  • Weight Gain: Small to moderate increases in weight. Regular exercise and a balanced diet help manage this.
  • Constipation or Dry Mouth: Drink plenty of water, eat fiber-rich foods, and consider sugar-free gum to stimulate saliva.
  • Blurred Vision: Usually temporary. If it persists more than a week, speak with your doctor.
  • Indigestion or Heartburn: Eat smaller meals, avoid spicy foods, and avoid lying down immediately after eating.

Less Common Side Effects (Affecting 1 in 100 to 1 in 1,000 People)

These reactions may require more targeted management or dose adjustment.

  • Extrapyramidal Symptoms (EPS): Muscle stiffness, tremors, or slow movements. Report these early—your doctor can adjust the dose or add a medication to counteract EPS.
  • Orthostatic Hypotension: A drop in blood pressure when standing, causing faintness. Monitor blood pressure periodically.
  • Changes in Appetite: Either increase or decrease. Keep a food log to watch for patterns.
  • Excessive Sweating: Particularly at night. Lightweight pajamas and breathable bedding may help.
  • Elevated Blood Sugar or New-Onset Diabetes: Watch for increased thirst, hunger, or urination. Regular blood tests are recommended.
  • Leukopenia (Low White Blood Cell Count): Routine blood work can catch this early. Report fevers or infections promptly.
  • Respiratory Symptoms: Such as cough or sore throat. If these last more than a week or worsen, call your doctor.

Serious Side Effects (Rare but Urgent)

Some side effects can be life-threatening or cause long-term issues if not treated quickly. Seek emergency care or call your doctor right away if you notice:

  • Neuroleptic Malignant Syndrome (NMS):
    • Sudden high fever
    • Severe muscle rigidity
    • Confusion or altered consciousness
    • Rapid heart rate
  • Tardive Dyskinesia:
    • Involuntary, repetitive movements (face, tongue, limbs)
    • Can be irreversible if not addressed early
  • Severe Allergic Reaction:
    • Hives or skin rash
    • Swelling of face, lips, tongue, or throat
    • Difficulty breathing or swallowing
  • Suicidal Thoughts or Behaviors:
    • New or worsening depression
    • Expressing self-harm ideation
    • Any sudden change in mood or actions that concerns you
  • Signs of Stroke (particularly in elderly patients with dementia):
    • Sudden weakness or numbness on one side
    • Slurred speech
    • Facial drooping
  • Seizures or Convulsions
  • Severe Hypotension Leading to Fainting or Falls
  • Severe Hyperglycemia:
    • Extreme thirst or hunger
    • Frequent urination
    • Vision changes
    • Nausea and vomiting

Impulse Control and Behavioral Changes

Though rare, some people on Abilify report:

  • Compulsive gambling or shopping
  • Binge eating or compulsive eating
  • Hypersexuality or increased sexual urges

If you notice urges or behaviors that feel out of character, talk to your doctor. Early adjustment can prevent harm to your finances, relationships, and health.

Special Populations

  • Elderly Patients with Dementia-Related Psychosis: Increased risk of death and stroke. Abilify is not approved for this use.
  • Children and Adolescents: Small risk of suicidal thoughts, especially when starting or changing doses. Careful monitoring by caregivers and doctors is essential.
  • Pregnant or Breastfeeding Women: Abilify crosses the placenta and passes into breast milk. Discuss benefits vs. risks with your healthcare provider.

Tips for Managing Side Effects

  1. Keep a Symptom Diary
    Record what you experience, when it happens, how long it lasts, and any triggers or relief strategies.

  2. Stay Hydrated and Eat Well
    Good nutrition and fluid intake can minimize dizziness, dry mouth, constipation, and indigestion.

  3. Exercise Regularly
    Physical activity helps control weight gain, improves sleep, and reduces restlessness.

  4. Adjust Timing
    If drowsiness is a problem, ask your doctor about taking Abilify in the evening. If insomnia or activation occurs, a morning dose may help.

  5. Avoid Alcohol and Recreational Drugs
    These can worsen sedation, dizziness, and cognitive side effects.

  6. Follow Up with Routine Lab Work
    Regular blood tests can catch changes in blood sugar, cholesterol, and blood cell counts early.

When to Seek Immediate Help

If you experience any serious side effects listed above—especially signs of NMS, severe allergic reactions, suicidal thoughts, or stroke symptoms—call emergency services or go to your nearest emergency department right away.

For non-emergency guidance on new or worsening symptoms, you might consider a free, online symptom check, using the doctor approved Ubie Symptom Checker.

Talking to Your Doctor

Always discuss any concerns with your healthcare provider, especially if you experience:

  • Persistent or worsening side effects
  • Mood changes or new behavioral urges
  • Any symptoms that impact your daily life or sense of well-being

Your doctor can adjust your dose, switch medications, or provide supportive treatments to help you stay safe and comfortable.


Most people on Abilify do well, but being informed and proactive helps you catch side effects early and keep your treatment on track. If you ever suspect a life-threatening or serious issue, speak to a doctor immediately. Your health and safety come first.

(References)

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  • * Gunasekaran K, Murthi S, Jennings J, Lone N. Aripiprazole-induced hypersensitivity pneumonitis. BMJ Case Rep. 2017 May 9;2017. doi: 10.1136/bcr-2017-219929. Epub 2017 May 9. PMID: 28487307; PMCID: PMC5614109.

  • * Işik Ü, Çam Ray P. Aripiprazole-Induced Hoarseness: A Case Report. Clin Neuropharmacol. 2019 Mar/Apr;42(2):55-56. doi: 10.1097/WNF.0000000000000320. PMID: 30724787.

  • * Pirc Marolt T, Kramar B, Bulc Rozman K, Šuput D, Milisav I. Aripiprazole reduces liver cell division. PLoS One. 2020;15(10):e0240754. doi: 10.1371/journal.pone.0240754. Epub 2020 Oct 26. PMID: 33104743; PMCID: PMC7588089.

  • * Chen A, Copeli F, Metzger E, Cloutier A, Osser DN. The Psychopharmacology Algorithm Project at the Harvard South Shore Program: An update on management of behavioral and psychological symptoms in dementia. Psychiatry Res. 2021 Jan;295:113641. doi: 10.1016/j.psychres.2020.113641. Epub 2020 Dec 13. PMID: 33340800.

  • * Nikogosyan G, Orias D, Goebert D, Takeshita J, Wang M. Acute Aripiprazole-Associated Liver Injury. J Clin Psychopharmacol. 2021 May-Jun 01;41(3):344-346. doi: 10.1097/JCP.0000000000001372. PMID: 33734168.

  • * Ahmed NJ, Alshehri AM, Almalki ZS, Alahmari A. Drug-induced weight gain in the last 10 years: a descriptive study. Pharmazie. 2022 Oct 1;77(10):299-301. doi: 10.1691/ph.2022.2408. PMID: 36273256.

  • * Jha MK, Mathew SJ. Pharmacotherapies for Treatment-Resistant Depression: How Antipsychotics Fit in the Rapidly Evolving Therapeutic Landscape. Am J Psychiatry. 2023 Mar 1;180(3):190-199. doi: 10.1176/appi.ajp.20230025. PMID: 36855876.

  • * Wang D, Schneider-Thoma J, Siafis S, Burschinski A, Dong S, Wu H, Zhu Y, Davis JM, Priller J, Leucht S. Long-Acting Injectable Second-Generation Antipsychotics vs Placebo and Their Oral Formulations in Acute Schizophrenia: A Systematic Review and Meta-Analysis of Randomized-Controlled-Trials. Schizophr Bull. 2024 Jan 1;50(1):132-144. doi: 10.1093/schbul/sbad089. PMID: 37350486; PMCID: PMC10754166.

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