What happens if I miss a dose (Stelazine)?
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 (Stelazine)?
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, extreme drowsiness or feeling restless and agitated, changes in heart rate, fever, fainting, and seizure (convulsions).
What should I avoid while taking trifluoperazine (Stelazine)?
This medication 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.
Drinking alcohol can increase certain side effects of trifluoperazine.
Avoid exposure to sunlight or tanning beds. Trifluoperazine 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 trifluoperazine (Stelazine)?
Cold or allergy medicine, sedatives, narcotic pain medicine, sleeping pills, muscle relaxers, and medicine for seizures, depression or anxiety can interact with trifluoperazine 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.
Also tell your doctor if you are taking any of the following medicines:
- atropine (Atreza, Sal-Tropine);
- lithium (Eskalith, Lithobid);
- phenytoin (Dilantin);
- an antibiotic;
- birth control pills or hormone replacement estrogens;
- a blood thinner such as warfarin (Coumadin, Jantoven);
- certain asthma medications or bronchodilators;
- a diuretic (water pill);
- drugs to treat high blood pressure or a prostate disorder, such as alfuzosin (Uroxatral), doxazosin (Cardura), prazosin (Minipress), terazosin (Hytrin), tamsulosin (Flomax);
- 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 drugs that can interact with trifluoperazine. 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 trifluoperazine.
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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