CARBETAPENTANE; CHLORPHENIRAMINE; PHENYLEPHRINE (kar bay ta PEN tane; klor fen IR a meen; fen il EF rin) is a combination of a cough suppressant, an antihistamine, and a decongestant. It is used to treat the symptoms of asthma, bronchitis, and a cold. This medicine will not treat an infection.
Take this medicine by mouth with a glass of water. Follow the directions on the prescription label. Do not chew or crush. You can take this medicine with or without food. If it upsets your stomach, take it with food or milk. Take your medicine at regular intervals. Do not take your medicine more often than directed.
Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for children as young as 12 years of age for selected conditions, precautions do apply.
Patients over 65 years old may have a stronger reaction and need a smaller dose.
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
anxiety, nervous, restless
changes in vision
fast, irregular heartbeat
problems with balance, talking, walking
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
dry eyes, mouth
loss of appetite
Do not take this medicine with any of the following medications:
MAOIs like Carbex, Eldepryl, Marplan, Nardil, and Parnate
stimulant medicines for attention disorders, weight loss, or to stay awake
This medicine may also interact with the following medications:
barbiturates, like phenobarbital
medicines for depression, anxiety, or psychotic disturbances
medicines for sleep
narcotic pain medicines
other medicines for cold, cough or allergy
phenothiazines like chlorpromazine, mesoridazine, prochlorperazine, thioridazine
St. John's Wort
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.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Throw away any unused medicine after the expiration date.
They need to know if you have any of these conditions:
difficulty passing urine
high blood pressure
taking MAOIs like Carbex, Eldepryl, Marplan, Nardil, and Parnate
an unusual or allergic reaction to carbetapentane, chlorpheniramine, phenylephrine, other medicines, foods, dyes, or preservatives
pregnant or trying to get pregnant
Visit your doctor or health care professional for regular check ups. Tell your doctor if your symptoms do not improve or if they get worse.
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.
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.