MedicineNet.com

SIDE EFFECTS: See also Overdose section.Drowsiness, dizziness, dry mouth/throat/eyes, blurred vision, fast heartbeat, trouble sleeping, restlessness, irritability, headache, stomach upset, shakiness, constipation, and weakness may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.This product may reduce blood flow to your hands and feet, causing them to feel cold. Smoking may worsen this effect. Dress warmly and avoid tobacco use.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 unlikely but serious side effects occur: sudden pounding heartbeat, mental/mood changes (fear, anxiety, nervousness), pale/cold skin, feeling short of breath, discomfort during urination, difficulty starting urination, inability to empty the bladder completely.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.

PRECAUTIONS: Before taking decongestant/antihistamine/anticholinergic combination medications (e.g., pseudoephedrine or phenylephrine, chlorpheniramine, scopolamine), tell your doctor or pharmacist if you are allergic to any of the medications; or if you have any other allergies. Also tell your doctor if you have had bad reactions to similar drugs (sympathomimetics such as ephedrine, phenylephrine).This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: uncontrolled high blood pressure, severe heart disease (e.g., severe coronary artery disease, angina, severe heart failure), certain types of fast heart rhythm problems (e.g., atrial fibrillation/flutter, paroxysmal supraventricular tachycardia-PSVT), a certain slow heart rhythm problem (sinus bradycardia), a certain eye pressure problem (narrow-angle glaucoma), difficulty urinating (e.g., due to enlarged prostate), stomach/intestinal ulcer, asthma attack.Before using this medication, tell your doctor or pharmacist your medical history, especially of: diabetes, controlled blood pressure, heart failure, blood vessel disease (e.g., peripheral vascular disease).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. Avoid alcoholic beverages.Liquid and chewable forms of this product may contain sugar, alcohol, or aspartame. Caution is advised if you have diabetes, alcohol dependence, 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.This medication may make you sweat less which can increase your risk for heat stroke, a very serious condition. Avoid activities that might cause you to overheat (such as doing strenuous work/exercise in hot weather, using hot tubs). Drink plenty of fluids, and dress lightly while in hot weather or when exercising. If you become overheated, stop exercising and promptly seek cooler shelter. Seek immediate medical attention if you develop a fever, mental/mood changes, headache, or dizziness.Before having surgery, tell your doctor or dentist that you are taking this medication.Caution is advised when using this drug in the elderly because they may be more sensitive to its side effects, especially dizziness, drowsiness, urination problems, and vision 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, agitation, 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 in this medication pass into breast milk and may have undesirable effects on a nursing infant. Consult your doctor before breast-feeding.

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. Need help identifying pills and medications? Use the pill identifier tool on RxList.