AllerDur

Name: AllerDur

What should I discuss with my healthcare provider before taking AllerDur (dexchlorpheniramine and pseudoephedrine)?

Do not use this medicine if you have taken an MAO inhibitor in the past 14 days. A dangerous drug interaction could occur. MAO inhibitors include isocarboxazid, linezolid, phenelzine, rasagiline, selegiline, and tranylcypromine.

You should not use this medication if you are allergic to dexchlorpheniramine or pseudoephedrine.

Ask a doctor or pharmacist if it is safe for you to take this medicine if you have:

  • asthma or COPD, cough with mucus, or cough caused by smoking, emphysema, or chronic bronchitis;

  • a blockage in your stomach or intestines;

  • kidney or liver disease;

  • high blood pressure, heart disease, coronary artery disease, or recent heart attack;

  • enlarged prostate or urination problems;

  • glaucoma;

  • diabetes;

  • epilepsy or other seizure disorder;

  • pheochromocytoma (an adrenal gland tumor);

  • overactive thyroid; or

  • if you take potassium (Cytra, Epiklor, K-Lyte, K-Phos, Kaon, Klor-Con, Polycitra, Urocit-K).

It is not known whether dexchlorpheniramine and pseudoephedrine will harm an unborn baby. Do not use this medicine without your doctor's advice if you are pregnant.

It is not known whether dexchlorpheniramine and pseudoephedrine passes into breast milk or if it could harm a nursing baby. Antihistamines and decongestants may also slow breast milk production. Do not use this medicine without your doctor's advice if you are breast-feeding a baby.

Older adults may be more likely to have side effects from this medicine.

Artificially sweetened liquid cold medicine may contain phenylalanine. If you have phenylketonuria (PKU), check the medication label to see if the product contains phenylalanine.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

What should I avoid while taking AllerDur (dexchlorpheniramine and pseudoephedrine)?

This medication may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert.

Drinking alcohol can increase certain side effects of dexchlorpheniramine and pseudoephedrine.

Ask a doctor or pharmacist before using any other cold, allergy, or sleep medicine. Dexchlorpheniramine and pseudoephedrine are contained in many combination medicines. Taking certain products together can cause you to get too much of a certain drug. Check the label to see if a medicine contains an antihistamine or decongestant.

What other drugs will affect AllerDur (dexchlorpheniramine and pseudoephedrine)?

Ask a doctor or pharmacist before using this medicine if you are also using any other drugs, including prescription and over-the-counter medicines, vitamins, and herbal products. Some medicines can cause unwanted or dangerous effects when used together. Not all possible interactions are listed in this medication guide.

Taking this medicine with other drugs that make you sleepy or slow your breathing can worsen these effects. Ask your doctor before taking dexchlorpheniramine and pseudoephedrine with a sleeping pill, narcotic pain medicine, muscle relaxer, or medicine for anxiety, depression, or seizures.

Liver Dose Adjustments

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Dialysis

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