 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST] , especially fast/irregular heartbeat, dizziness, problems urinating, trouble sleeping, or confusion. Children may be more sensitive to the side effects of this drug, especially restlessness. During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor. Pseudoephedrine passes into breast milk. Discuss the risks and benefits with your doctor before breast-feeding.The interactions of Sudafed 24 Hour Oral: Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval. Some products that may interact with this drug are: stimulants (such as caffeine, dextroamphetamine, methamphetamine, herbal products like ephedra/ma huang), terbutaline. Taking MAO inhibitors with this medication may cause a serious (possibly fatal) drug interaction. Avoid taking MAO inhibitors (isocarboxazid, linezolid, metaxalone, methylene blue, mocl </s>