Promethazine and Dextromethorphan

(proe METH a zeen & deks troe meth OR fan)

What key warnings do I need to know about before giving this drug to my child?

  • Talk with the doctor before giving this drug to a child. Check all of your child's drugs, including OTC, with doctor.
  • Sometimes drugs are not safe when your child takes them with other drugs. Taking them together can cause bad side effects. This is one of those drugs. Be sure to talk to your child’s doctor about all the drugs your child takes.

Is it safe for my child to take this drug?

  • Not if your child is younger than 2 years of age.
  • Not if your child has an allergy to promethazine, dextromethorphan, or any other part of this drug.
  • Be sure to let the doctor know if your child has any allergies or side effects to drugs, foods, or dyes. Make sure to tell about the allergy and what signs your child had. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
  • Not if your child has asthma.

Why does my child need this drug?

  • It is used to stop coughing.
  • It is used to ease allergy signs.

How is this drug given?

  • Give this drug with or without food. Give with food if it causes an upset stomach.
  • Have your child drink lots of noncaffeine liquids every day unless told to drink less liquid by your child's doctor.

How long does this drug take to work?

  • Your child may start feeling better soon after starting this drug.

What do I do if my child misses a dose?

  • Give a missed dose as soon as you think about it.
  • If it is close to the time for your child's next dose, skip the missed dose and go back to your child's normal time.
  • Do not give 2 doses or extra doses.
  • Many times this drug is given on an as needed basis.

What safety measures do I need to take when my child is using this drug?

  • Keep a list of all your child's drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your child's doctor.
  • If your child has glaucoma, talk with the doctor.
  • If your child has heart disease, talk with the doctor.
  • If your child has lung disease, talk with the doctor.
  • If your child has seizures, talk with the doctor.
  • Check all drugs your child is taking with your child's doctor. This drug may not mix well with some other drugs.
  • Avoid giving your child other drugs and natural products that may slow your child's actions.
  • This drug may cause your child to be less alert. Have your child avoid tasks or actions that call for alertness. These include playing (for example, riding a bicycle, rollerblading, sports) or using items that call for your child to have focus or coordination (for example, scissors, lawnmower, electric scooters, or toy cars). Your child's actions will be closely watched until you see how this drug affects him/her. School work may be hard for your child to focus on and get done.
  • Your child may get sunburned more easily. Avoid lots of sun, sunlamps, and tanning beds. Use sunscreen and dress your child in clothing and eyewear that protects him/her from the sun.

What are some side effects of this drug?

  • Feeling lightheaded, sleepy, having blurred eyesight, or a change in thinking clearly. Have your child avoid tasks or actions that call for him/her to be alert or have clear eyesight until you see how this drug works.
  • Feeling dizzy. Have your child get up slowly over a few minutes when sitting or lying down. Have your child be extra careful climbing stairs.
  • Hard stools (constipation). Drinking more liquids, working out, or adding fiber to your diet may help. Talk with your doctor about a stool softener or laxative.
  • Dry mouth. Good mouth care may help. Older children may suck hard, sugar-free candy. Have your child see a dentist often.

When do I need to call my child's doctor?

  • If any of this news causes you to be worried, any of the unwanted side effects happen, or if your child is not better after taking this drug.
  • If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
  • If your child shows signs of a very bad reaction, call your child's doctor or the ER right away. These include wheezing; chest tightness; fever; itching; bad cough; blue skin color; seizures; swelling of face, lips, tongue, or throat; or if your child is not acting normal.
  • If your child has chest pain or pressure, a fast heartbeat, or passes out.
  • If your child has a cough that does not go away.
  • If your child has very hard stools (constipation).
  • If your child has shakiness, trouble moving around, or stiffness.
  • If your child is not able to pass urine.
  • If your child has a sudden change in eyesight, eye pain, or irritation.
  • If your child is feeling very tired or weak.
  • If your child gets a rash.
  • If your child’s health problem does not get better or if you believe your child’s health problem is worse.

How do I store and/or throw out this drug?

  • Store at room temperature.
  • Protect from light.

General drug facts

  • If your child has a very bad allergy, he/she needs to wear an allergy ID at all times.
  • You may get this drug by drug order only. If there are refills, call your pharmacy. If your child does not have refills left, you may need to call your child's doctor.
  • Get rid of this drug when your child no longer needs it or if the drug is outdated.
  • Some drugs may have another patient information leaflet. If you have any questions about this drug, please talk with your doctor, pharmacist, or other health care provider.
  • In Canada, take any unused drugs to the pharmacy. Also, visit http://www.hc-sc.gc.ca/hl-vs/iyh-vsv/med/disposal-defaire-eng.php#th to learn about the right way to get rid of unused drugs.http://www.hc-sc.gc.ca/hl-vs/iyh-vsv/med/disposal-defaire-eng.php#th to learn about the right way to get rid of unused drugs.
  • Do not share your child's drug with others and do not give anyone else's drug to your child.
  • Keep all drugs out of the reach of children and pets.
  • Keep a list of all your child's drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your child's doctor.
  • These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.
  • Talk with the doctor before giving your child any new drug, including OTC, natural products, or vitamins.
  • If you do not use a drug the right way, it may not be safe. Follow what your child’s doctor tells you.