Antipsychotic medicines help control symptoms like hallucinations, delusions, severe agitation, and some mood issues. People usually get them for schizophrenia, bipolar disorder, or when other treatments aren't working. They can make a big difference, but they also come with trade-offs. Here’s a short, practical guide so you can talk with your clinician with confidence.
There are two main groups: typical (first-generation) and atypical (second-generation) antipsychotics. Typical drugs like haloperidol work well for positive symptoms (hallucinations, delusions) but can cause more movement side effects. Atypical drugs — examples are risperidone, olanzapine, quetiapine, and aripiprazole — tend to have fewer movement problems and may help mood and negative symptoms, though they can affect weight and metabolism.
Doctors pick a drug based on the symptom type, previous response, side effect risks, and other health issues. If pills aren’t right, long-acting injectable (LAI) options exist — they’re given every few weeks or months and help with adherence for people who forget daily meds.
Side effects differ across drugs but watch these common ones:
- Sedation or feeling slowed down — avoid heavy machinery until you know how a med affects you.
- Weight gain, increased blood sugar, and higher cholesterol — these raise long-term health risks.
- Movement issues: tremors, stiffness, or restlessness. Long-term use can cause tardive dyskinesia (involuntary movements).
- Increased prolactin can cause sexual problems, irregular periods, or breast changes.
- Some drugs can prolong the heart’s QT interval — important if you take other medicines that do this.
If you notice sudden high fever, severe stiffness, fast heartbeat, confusion, or very low blood pressure, seek urgent care — these can signal rare but serious reactions like neuroleptic malignant syndrome.
Practical tips to stay safer
- Ask your doctor what to expect in the first few weeks and which side effects need urgent attention.
- Get baseline checks: weight, blood pressure, fasting glucose, and lipids. Repeat these regularly if you stay on the drug.
- Keep a simple symptom and side-effect diary for the first 4–8 weeks — it helps when adjusting dose or switching meds.
- Don’t stop suddenly. Stopping quickly can cause withdrawal or relapse. Get a taper plan from your prescriber.
- Tell your provider about all other meds and supplements you take — some interact and raise risks.
Questions to ask your prescriber
- Why this antipsychotic for my symptoms? What are the expected benefits and how soon will I notice change?
- What side effects are most likely for me? How will we monitor them?
- Are there safer alternatives if I’m planning a pregnancy or have diabetes or heart disease?
- Is a long-acting injection an option if I struggle with daily pills?
If you’re unsure or worried about effects, ask for a second opinion. Good care balances symptom control with quality of life, and you have a right to clear answers and regular monitoring.