Chlorpheniramine; Dextromethorphan tablets

What are Chlorpheniramine; Dextromethorphan tablets?

CHLORPHENIRAMINE and DEXTROMETHORPHAN (Coricidin HBP® Cough & Cold) are used together to decrease symptoms of the common cold. Chlorpheniramine is an antihistamine that relieves runny nose, sneezing, and watery eyes. Dextromethorphan helps to stop cough. This medicine is available without a prescription.

What should my health care professional know before I receive Chlorpheniramine; Dextromethorphan?

They need to know if you have any of these conditions:

• asthma, emphysema, bronchitis, or other lung disease

• difficulty passing urine or other bladder problems

• chronic cough

• enlarged prostate

• glaucoma

• head injury

• heart disease including angina, blockage in heart vessels, heart failure, irregular heart beat

• high blood pressure

• kidney disease

• liver disease

• stomach ulcers

• an unusual reaction to chlorpheniramine, dextromethorphan, other medicines, foods, dyes, or preservatives

• pregnant or trying to get pregnant

• breast-feeding

How should this medicine be used?

Take your doses at regular intervals as directed on the product label. Do not take your medicine more often than directed. Do not take more than 4 tablets in 24 hours or as directed by your physician.

This medicine may be taken with or without food. But if this medicine upsets your stomach, you can take it with food or milk. Try to avoid grapefruit juice while using this medicine because it could increase the chance of side effects.

Contact your pediatrician or health care professional regarding the use of this medicine in children. Special care may be needed.

What if I miss a dose?

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.

What drug(s) may interact with Chlorpheniramine; Dextromethorphan?

• celecoxib

• delavirdine

• doxercalciferol

• furazolidone

• gefitinib

• grapefruit juice

• imatinib

• linezolid

• medicines for chest pain, heart disease, high blood pressure, or heart rhythm problems

• medicines known as MAO inhibitors, like phenelzine (Nardil®), tranylcypromine (Parnate®), isocarboxazid (Marplan®), and selegiline (Carbex®, Eldepryl®)

• medicines for mental depression

• medicines for mental problems and psychotic disturbances

• medicines for motion sickness

• medicines for movement abnormalities, like in Parkinson's disease

• some medicines for nausea and vomiting

• procarbazine

• ritonavir

• St. John's wort

• terbinafine

• valdecoxib

Because this product can cause drowsiness, other medicines that also cause drowsiness may increase this effect. Some medicines that cause drowsiness are:

• alcohol and alcohol-containing medicines

• barbiturate medicines for inducing sleep or treating seizures (convulsions)

• medicines for anxiety or sleeping problems, such as diazepam or temazepam

• medicines for hay fever and other allergies

• muscle relaxers

• prescription pain medicines

Tell your prescriber or health care professional about all other medicines you are taking, including non-prescription medicines, nutritional supplements, or herbal products. Also tell your prescriber or health care professional if you are a frequent user of drinks with caffeine or alcohol, if you smoke, or if you use illegal drugs. These may affect the way your medicine works. Check with your health care professional before stopping or starting any of your medicines.

What should I watch for while taking Chlorpheniramine; Dextromethorphan?

If you have a fever, skin rash, or persistent headache as well as a cough, see a health care professional. Talk to your doctor or pharmacist before using this product for a cough caused by smoking, asthma, emphysema, heart failure, or problems in which there is a large amount of phlegm in the lungs. Seek medical attention if your symptoms continue or worsen while taking this medicine.

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. Avoid alcoholic drinks. Alcohol can increase the chance of drowsiness, dizziness, or confusion while using this medicine, and may increase the irritation to your stomach when taking this medicine.

Your mouth may get dry. Chewing sugarless gum or sucking hard candy, and drinking plenty of water will help.

Elderly patients over 60 years old may have a stronger reaction to this medicine and need smaller doses.

This medicine may cause dry eyes and blurred vision. If you wear contact lenses you may feel some discomfort. Lubricating drops may help. See an eye doctor if the problem does not go away or is severe.

What side effects may I notice from receiving Chlorpheniramine; Dextromethorphan?

Side effects that you should report to your prescriber or health care professional as soon as possible:

• agitation, nervousness, excitability, not able to sleep (these are more likely in children)

• chest pain

• confusion

• difficulty breathing or wheezing

• difficulty urinating

• headache, especially if severe or gets worse

• high blood pressure

• irregular heart beat

• nausea and vomiting

• seizures

• skin rash or hives

• tremors

• unusual bleeding or bruising, pinpoint red spots on the skin

• unusual tiredness or weakness

Side effects that usually do not require medical attention (report to your prescriber or health care professional if they continue or are bothersome):

• constipation

• stomach ache

Where can I keep my medicine?

Keep out of the reach of children in a container that small children cannot open.

Store at room temperature between 15—30 degrees C (59—86 degrees F). Throw away any unused medicine after the expiration date.