codeine, dexchlorpheniramine, and phenylephrine (cont.)
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What happens if I miss a dose (Vanacof CD)?
Since cough or cold medicine is usually taken only as needed, you may not be on a dosing schedule. If you are taking the medication regularly, take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and take the medicine at your next regularly scheduled time. Do not take extra medicine to make up the missed dose.
What happens if I overdose (Vanacof CD)?
Seek emergency medical attention if you think you have used too much of this medicine. An overdose of codeine can be fatal.
Overdose symptoms may include feeling nervous or restless, fast or uneven heart rate, extreme dizziness or drowsiness, nausea, vomiting, sweating, confusion, hallucinations, severe headache, blurred vision, cold and clammy skin, blue-colored lips or fingernails, weak or limp muscles, pinpoint pupils, weak pulse, slow breathing, chest pain, fainting, or seizure (convulsions).
What should I avoid while taking codeine, dexchlorpheniramine, and phenylephrine (Vanacof CD)?
This medication can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert.
Do not use any other over-the-counter cough, cold, pain, or allergy medication without first asking your doctor or pharmacist. Dexchlorpheniramine and phenylephrine are contained in many medicines available over the counter. If you take certain products together you may accidentally take too much of a certain drug. Read the label of any other medicine you are using to see if it contains dexchlorpheniramine or phenylephrine.
Avoid drinking alcohol. It can increase some of the side effects of this medication.
What other drugs will affect codeine, dexchlorpheniramine, and phenylephrine (Vanacof CD)?
Before taking this medication, tell your doctor if you regularly use other medicines that make you sleepy (such as other cold or allergy medicine, narcotic pain medicine, sleeping pills, muscle relaxers, and medicine for seizures, depression, or anxiety). They can add to sleepiness caused by codeine or dexchlorpheniramine.
This list is not complete and there may be other drugs that can interact with codeine, dexchlorpheniramine, and phenylephrine. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.
Where can I get more information?
Your pharmacist can provide more information about codeine, dexchlorpheniramine, and phenylephrine.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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