Chlorpheniramine is an antihistamine that reduces the natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose.

Methscopolamine reduces the secretions of certain organs in the body.

Pseudoephedrine is a decongestant that shrinks blood vessels in the nasal passages. Dilated blood vessels can cause nasal congestion (stuffy nose).

The combination of chlorpheniramine, methscopolamine, and pseudoephedrine is used to treat symptoms of the common cold or seasonal allergies, including sneezing, runny or stuffy nose, and itchy, watery eyes.

Chlorpheniramine, methscopolamine, and pseudoephedrine may also be used for other purposes not listed in this medication guide.

Do not give this medication to a child younger than 4 years old. Always ask a doctor before giving a cough or cold medicine to a child. Death can occur from the misuse of cough and cold medicines in very young children.

Do not use a cough or cold if you have used an MAO inhibitor such as isocarboxazid (Marplan), phenelzine (Nardil), rasagiline (Azilect), selegiline (Eldepryl, Emsam), or tranylcypromine (Parnate) within the past 14 days.

Do not use this medication if you are allergic to chlorpheniramine or methscopolamine, or if you have severe high blood pressure or coronary artery disease, narrow-angle glaucoma, a stomach ulcer, or if you are unable to urinate.

Do not use this medication during an asthma attack.

Avoid drinking alcohol while you are taking this medication.

Do not use a cough or cold if you have used an MAO inhibitor such as isocarboxazid (Marplan), phenelzine (Nardil), rasagiline (Azilect), selegiline (Eldepryl, Emsam), or tranylcypromine (Parnate) within the past 14 days. Dangerous side effects may occur if you take a cough or cold medicine before the MAO inhibitor has cleared from your body.

Do not use this medication if you are allergic to chlorpheniramine, methscopolamine, or pseudoephedrine, or if you have:

• severe or uncontrolled high blood pressure;

• severe coronary artery disease;

• narrow angle glaucoma;

• a stomach ulcer;

• if you are unable to urinate; or

• if you are having an asthma attack.

Before using chlorpheniramine, methscopolamine, and pseudoephedrine, tell your doctor if you are allergic to any drugs, or if you have:

• kidney disease;

• liver disease;

• diabetes;

• glaucoma;

• heart disease, high blood pressure, or circulation problems;

• overactive thyroid;

• a seizure disorder such as epilepsy;

• asthma, emphysema or chronic bronchitis; or

• urination problems or an enlarged prostate.

If you have any of these conditions, you may need a dose adjustment or special tests to safely take this medication.

FDA pregnancy category C. This medication may be harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment.

Chlorpheniramine, methscopolamine, and pseudoephedrine can pass into breast milk and may harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.