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- Clinician Information:
Thorazine Patient Information including If I Miss a Dose
In this Article
- What is chlorpromazine (Thorazine)?
- What are the possible side effects of chlorpromazine (Thorazine)?
- What is the most important information I should know about chlorpromazine (Thorazine)?
- What should I discuss with my healthcare provider before taking chlorpromazine (Thorazine)?
- How should I take chlorpromazine (Thorazine)?
- What happens if I miss a dose (Thorazine)?
- What happens if I overdose (Thorazine)?
- What should I avoid while taking chlorpromazine (Thorazine)?
- What other drugs will affect chlorpromazine (Thorazine)?
- Where can I get more information?
What happens if I miss a dose (Thorazine)?
Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.
What happens if I overdose (Thorazine)?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
Overdose symptoms may include dry mouth, constipation, bloating or stomach cramps, feeling restless or agitated, fever, seizure, muscle stiffness, jerky muscle movements, changes in heart rate, extreme drowsiness, and fainting.
What should I avoid while taking chlorpromazine (Thorazine)?
Chlorpromazine may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert. Avoid getting up too fast from a sitting or lying position, or you may feel dizzy. Get up slowly and steady yourself to prevent a fall.
Avoid drinking alcohol. It can increase some of the side effects of chlorpromazine.
Avoid exposure to sunlight or tanning beds. Chlorpromazine can make you sunburn more easily. Wear protective clothing and use sunscreen (SPF 30 or higher) when you are outdoors.
What other drugs will affect chlorpromazine (Thorazine)?
Cold or allergy medicine, sedatives, narcotic pain medicine, sleeping pills, muscle relaxers, and medicine for seizures, depression or anxiety can interact with chlorpromazine and cause medical problems or increase side effects. Tell your doctor if you regularly use any of these medicines, or any other anti-psychotic medications.
Tell your doctor about all other medicines you use, especially:
- atropine (Atreza, Sal-Tropine);
- lithium (Eskalith, Lithobid);
- phenytoin (Dilantin);
- an antibiotic;
- birth control pills or hormone replacement estrogens;
- blood pressure medication;
- a blood thinner such as warfarin (Coumadin, Jantoven);
- certain asthma medications or bronchodilators;
- incontinence medications;
- insulin or diabetes medications you take by mouth;
- medication for nausea, vomiting, or motion sickness;
- medications to treat or prevent malaria;
- medications used for general anesthesia;
- medicines used to prevent organ transplant rejection;
- numbing medicine such as lidocaine or Novocain;
- a stimulant or ADHD medication;
- ulcer or irritable bowel medications; or
- medicines to treat Parkinson's disease, restless leg syndrome, or pituitary gland tumor (prolactinoma).
This list is not complete and there are many other medicines that can interact with chlorpromazine. Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor. Keep a list of all your medicines and show it to any healthcare provider who treats you.
Where can I get more information?
Your pharmacist can provide more information about chlorpromazine.
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
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Additional Thorazine Information
- Thorazine Drug Interactions Center: chlorpromazine oral
- Thorazine Side Effects Center
- Thorazine FDA Approved Prescribing Information including Dosage
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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