Cough Syrup Oral Precautions and Side Effects

  • Precautions

    Before taking this combination medication, tell your doctor or pharmacist if you are allergic to any of the ingredients; or if you have any other allergies. Also tell your doctor if you have had a bad reaction to decongestants (such as ephedrine, phenylephrine, pseudoephedrine). This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

    Before using this medication, tell your doctor or pharmacist your medical history, especially of:

    • breathing problems (such as emphysema, chronic bronchitis, asthma, smoker's cough)
    • cough with blood or large amounts of mucus
    • high blood pressure
    • heart disease (such as chest pain, heart failure, heart attack)
    • fast/slow/irregular heartbeat
    • diabetes
    • a certain eye problem (glaucoma)
    • seizures
    • difficulty urinating (such as due to enlarged prostate)
    • overactive thyroid (hyperthyroidism)

    This drug may make you dizzy/drowsy or cause blurred vision. Do not drive, use machinery, or do any activity that requires alertness or clear vision until you are sure you can perform such activities safely. Avoid alcoholic beverages.

    Liquid products may contain sugar, alcohol, and/or aspartame. Caution is advised if you have diabetes, liver disease, phenylketonuria (PKU), or any other condition that requires you to limit/avoid these substances in your diet. Ask your doctor or pharmacist about using this product safely.

    Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).

    Caution is advised when using this drug in the elderly because they may be more sensitive to its side effects, especially dizziness, drowsiness, and urination problems.

    Caution is advised when using this drug in children because they may be more sensitive to unusual side effects of the drug, especially excitation, nervousness, or increased blood pressure.

    During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.

    Some ingredients is this product may pass into breast milk. Discuss the risks and benefits with your doctor before breast-feeding.

    Side Effects

    Drowsiness, dizziness, dry mouth, blurred vision, nausea, trouble sleeping, headache, or constipation may occur. Many of these effects will decrease as your body adjusts to the medication. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.

    If your doctor has directed you to use this medication, remember that he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

    Tell your doctor immediately if any of these unlikely but serious side effects occur:

    • mental/mood disorders (such as nervousness, excitement, irritability)
    • fast/pounding/irregular heartbeat
    • shaking (tremors)
    • difficult/painful urination

    Seek immediate medical attention if any of these rare but serious side effects occur:

    • fainting
    • severe mental/mood changes (such as confusion, hallucinations)
    • seizures

    A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including:

    • rash
    • itching/swelling (especially of the face/tongue/throat)
    • severe dizziness
    • trouble breathing

    This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

    In the US -

    Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

    In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.