Codeine polistirex/chlorpheniramine polistirex (By mouth)
Chlorpheniramine Polistirex (klor-fen-IR-a-meen pol-ee-STYE-rex), Codeine Polistirex (KOE-deen pol-ee-STYE-rex)
Relieves cough and other symptoms of a cold or allergies. This medicine contains a narcotic and an antihistamine.
Tuzistra XRThere may be other brand names for this medicine.
When This Medicine Should Not Be Used:
This medicine is not right for everyone. Do not use it if you had an allergic reaction to codeine or chlorpheniramine, or if you have severe lung or breathing problems, or stomach or bowel blockage (including paralytic ileus).
How to Use This Medicine:
Long Acting Suspension
- Your doctor will tell you how much medicine to use. Do not use more than directed.
- An overdose can be dangerous. Follow directions carefully so you do not get too much medicine at one time.
- Shake the medicine well before you use it.
- Measure the oral liquid medicine with a marked measuring spoon, oral syringe, or medicine cup. Do not use a household teaspoon.
- Drink plenty of liquids to help avoid constipation.
- This medicine should come with a Medication Guide. Ask your pharmacist for a copy if you do not have one.
- Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose. Do not take more than 2 doses in 24 hours.
- Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Drop off any unused narcotic medicine at a drug take-back location right away. If you do not have a drug take-back location near you, flush any unused narcotic medicine down the toilet. Check your local drug store and clinics for take-back locations. You can also check the DEA web site for locations. Here is the link to the FDA safe disposal of medicines web site: www.fda.gov/drugs/resourcesforyou/consumers/buyingusingmedicinesafely/ensuringsafeuseofmedicine/safedisposalofmedicines/ucm186187.htm
Drugs and Foods to Avoid:
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
- Do not use this medicine if you are using or have used an MAO inhibitor within the past 14 days.
- Some medicines can affect how codeine/chlorpheniramine works. Tell your doctor if you are using any of the following:
- Carbamazepine, erythromycin, ketoconazole, phenytoin, rifampin, ritonavir
- Diuretic (water pill)
- Medicine to treat anxiety, depression, or mental health problems (including benzodiazepine medicine)
- Tell your doctor if you use anything else that makes you sleepy. Some examples are allergy medicine, narcotic pain medicine, and alcohol. Tell your doctor if you are also using butorphanol, nalbuphine, pentazocine, or a muscle relaxer.
- Do not drink alcohol while you are using this medicine.
Warnings While Using This Medicine:
- Tell your doctor if you are pregnant or breastfeeding, or if you have kidney disease, liver disease, Addison disease, an enlarged prostate or trouble urinating, glaucoma, heart disease, high blood pressure, lung or breathing problems (including asthma), stomach or bowel problems, pancreas problems, or an underactive thyroid. Tell your doctor if you have a history of head injury or drug or alcohol addiction.
- This medicine may cause the following problems:
- Respiratory depression (severe breathing problems)
- Increased risk of overdose, which can lead to death
- Increased risk of seizures
- Low blood pressure
- Adrenal gland problems
- This medicine may make you confused, dizzy, or drowsy. Do not drive or do anything else that could be dangerous until you know how this medicine affects you.
- This medicine can be habit-forming. Do not use more than your prescribed dose. Call your doctor if you think your medicine is not working.
- This medicine may cause constipation, especially with long-term use. Ask your doctor if you should use a laxative to prevent and treat constipation.
- Do not stop using this medicine suddenly. Your doctor will need to slowly decrease your dose before you stop it completely.
- This medicine could cause infertility. Talk with your doctor before using this medicine if you plan to have children.
- Tell any doctor or dentist who treats you that you are using this medicine. This medicine may affect certain medical test results.
- Your doctor will check your progress and the effects of this medicine at regular visits. Keep all appointments. Call your doctor if your cough does not improve or if it gets worse within 5 days.
- Keep all medicine out of the reach of children. Never share your medicine with anyone.
Possible Side Effects While Using This Medicine:
Call your doctor right away if you notice any of these side effects:
- Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
- Blue lips, fingernails, or skin, trouble breathing
- Changes in skin color, dark freckles
- Extreme dizziness or weakness, shallow breathing, slow heartbeat, seizures, cold, clammy skin
- Lightheadedness or fainting
- Severe constipation or stomach pain
If you notice these less serious side effects, talk with your doctor:
- Blurred vision, dry mouth
If you notice other side effects that you think are caused by this medicine, tell your doctor
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088
Last Updated: 8/5/2022
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