CHLORPHENIRAMINE; DIHYDROCODEINE; PHENYLEPHRINE (klor fen IR a meen; dye hye droe KOE deen; fen il EF rin) is an antihistamine, cough suppressant, decongestant combination. It is used to treat cough and congestion. This medicine will not treat an infection.
Take this medicine by mouth with a glass of water. Follow the directions on the prescription label. You can take it with or without food. If it upsets your stomach, take it with food. Use a specially marked spoon or container to measure each dose. Ask your pharmacist if you do not have one. Household spoons are not accurate. Do not to overfill. Rinse the measuring device with water after each use. Take your medicine at regular intervals. Do not take it more often than directed.
A special MedGuide will be given to you by the pharmacist with each prescription and refill. Be sure to read this information carefully each time.
Talk to your pediatrician regarding the use of this medicine in children. This medicine is not approved for use in children.
Side effects that you should report to your doctor or health care professional as soon as possible:
allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
changes in vision
fast, irregular heartbeat
high blood pressure
signs and symptoms of low blood pressure like dizziness; feeling faint or lightheaded, falls; unusually weak or tired
trouble passing urine or change in the amount of urine
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
loss of appetite
Do not take this medicine with any of the following medications:
certain medicines for anxiety or sleep
certain medicines for depression like amitriptyline, fluoxetine, sertraline
certain medicines for seizures like phenobarbital, primidone
ergot alkaloids like dihydroergotamine, ergonovine, ergotamine, methylergonovine
general anesthetics like halothane, isoflurane, methoxyflurane, propofol
local anesthetics like lidocaine, pramoxine, tetracaine
MAOIs like Carbex, Eldepryl, Marplan, Nardil, and Parnate
medicines that relax muscles for surgery
other antihistamines for allergy, cough and cold
other narcotic medicines (opiates) for pain or cough
phenothiazines like chlorpromazine, mesoridazine, prochlorperazine, thioridazine
This medicine may also interact with the following medications:
antiviral medicines for hepatitis, HIV or AIDS
certain antibiotics like clarithromycin, erythromycin
certain medicines for bladder problems like oxybutynin, tolterodine
certain medicines for blood pressure, heart disease, irregular heart beat
certain medicines for fungal infections like ketoconazole and itraconazole
certain medicines for Parkinson's disease like benztropine, trihexyphenidyl
certain medicines for stomach problems like dicyclomine, hyoscyamine
certain medicines for travel sickness like scopolamine
stimulant medicines for attention disorders, weight loss, or to stay awake
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
Keep out of the reach of children. This medicine can be abused. Keep your medicine in a safe place to protect it from theft. Do not share this medicine with anyone. Selling or giving away this medicine is dangerous and against the law.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Protect from light. This medicine may cause accidental overdose and death if taken by other adults, children, or pets. Mix any unused medicine with a substance like cat littler or coffee grounds. Then throw the medicine away in a sealed container like a sealed bag or a coffee can with a lid. Do not use the medicine after the expiration date.
They need to know if you have any of these conditions:
history of a drug or alcohol abuse problem
history of irregular heartbeat
if you often drink alcohol
low blood pressure
lung or breathing disease, like asthma
stomach or intestine problems
trouble passing urine
an allergic or unusual reaction to dihydrocodeine or codeine, phenylephrine, chlorpheniramine, other medicines, foods, dyes, or preservatives
pregnant or trying to get pregnant
Use exactly as directed by your doctor or health care professional. Do not take more than the recommended dose. You may develop tolerance to this medicine if you take it for a long time. Tolerance means that you will get less cough relief with time. Tell your doctor or health care professional if your symptoms do not start to get better or if they get worse.
Do not suddenly stop taking your medicine because you may develop a severe reaction. Your body becomes used to the medicine. This does NOT mean you are addicted. Addiction is a behavior related to getting and using a drug for a nonmedical reason. If your doctor wants you to stop the medicine, the dose will be slowly lowered over time to avoid any side effects.
There are different types of narcotic medicines (opiates). If you take more than one type at the same time or if you are taking another medicine that also causes drowsiness, you may have more side effects. Give your health care provider a list of all medicines you use. Your doctor will tell you how much medicine to take. Do not take more medicine than directed. Call emergency for help if you have problems breathing or unusual sleepiness.
You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells. Alcohol may interfere with the effect of this medicine. Avoid alcoholic drinks.
This medicine will cause constipation. Try to have a bowel movement at least every 2 to 3 days. If you do not have a bowel movement for 3 days, call your doctor or health care professional.
Your mouth may get dry. Chewing sugarless gum or sucking hard candy, and drinking plenty of water may help. Contact your doctor if the problem does not go away or is severe.
This medicine may cause dry eyes and blurred vision. If you wear contact lenses you may feel some discomfort. Lubricating drops may help. See your eye doctor if the problem does not go away or is severe.