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If you miss a dose, use it as soon as you remember. If it is near the time of the next dose, skip the missed dose and resume your usual dosing schedule. Do not double the dose to catch up.

Take this medication by mouth twice daily; or use as directed by your doctor. This drug may be taken with or without food. Do not crush or chew extended-release tablets. Doing so can release all of the drug at once, increasing the risk of side effects. Also, do not split the tablets unless they have a score line and your doctor or pharmacist tells you to do so. Swallow the whole or split tablet without crushing or chewing. Do not increase your dose or take this more often than directed. Do not take this medication for several days before allergy testing since test results can be affected.

Your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with them first. This drug should not be used with or within 14 days of taking MAO inhibitors (e.g., furazolidone, linezolid, moclobemide, phenelzine procarbazine, rasagiline, selegiline, isocarboxazid, tranylcypromine). Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription products you may use, especially of: adrenalin-like drugs (e.g., ephedrine, methylphenidate), antihistamines applied to the skin (such as diphenhydramine cream, ointment, spray), certain blood pressure drugs (e.g., methyldopa, guanethidine, reserpine, beta-blockers such as propranolol), certain herbal products (e.g., ephedra). Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription products you may use, especially of drugs that cause drowsiness such as: anti-anxiety drugs (e.g., diazepam), other antihistamines that cause drowsiness (e.g., diphenhydramine), anti-seizure drugs (e.g., carbamazepine), medicine for sleep (e.g., sedatives), muscle relaxants, narcotic pain relievers (e.g., codeine), psychiatric medicines (e.g., phenothiazines such as chlorpromazine, or tricyclics such as amitriptyline), tranquilizers. Check the labels on all your medicines (e.g., cough-and-cold products, diet aids) because they may contain ingredients that could cause drowsiness or increase your heart rate or blood pressure. Ask your pharmacist about the safe use of those products. This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.

Your condition can cause complications in a medical emergency. For enrollment information call MedicAlert at 1-800-854- 1166 (USA) or 1-800-668-1507 (Canada).

Do not share this medication with others.

If overdose is suspected, contact your local poison control center or emergency room immediately. US residents can call the US national poison hotline at 1-800-222-1222. Canadian residents should call their local poison control center directly. Symptoms of overdose may include: severe drowsiness, irregular or unusually fast heartbeat, seizures.

Before taking pseudoephedrine with cetirizine, tell your doctor or pharmacist if you are allergic to it; or to hydroxyzine; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details. This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: glaucoma (narrow angle type), severe difficulty urinating (urinary retention), severe high blood pressure, severe heart/blood vessel disease (coronary artery disease), experienced serious side effects with decongestants (e.g., irregular heart rhythm). Before using this medication, tell your doctor or pharmacist your medical history, especially of: kidney disease, problems urinating (e.g., enlarged prostate), liver disease, high blood pressure, diabetes, heart disease, thyroid problems (hyperthyroidism), glaucoma (open angle type). This drug may make you dizzy or drowsy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages. Caution is advised when using this drug in the elderly because they may be more sensitive to the effects of the drug. This medication should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor. This medication passes into breast milk. Consult your doctor before breast-feeding.

Store at room temperature between 68-77 degrees F (20-25 degrees C) away from light and moisture. Brief storage between 59-86 degrees F (15-30 degrees C) is permitted. Do not store in the bathroom. Keep all medicines away from children and pets. Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company for more details about how to safely discard your product.

Drowsiness, fatigue, dry mouth, dizziness, nervousness, nausea, headache, or trouble sleeping may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly. Remember that your doctor has prescribed this medication because 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 serious side effects occur: fast/irregular heartbeat, uncontrolled shaking or tremor. Tell your doctor immediately if any of these unlikely but serious side effects occur: yellowing eyes or skin, dark urine, persistent fatigue, mental/mood changes, seizures, trouble breathing, trouble urinating. A serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction include: 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.