Pseudoephedrine Hydrochloride: Serious adverse effects associated with the use of pseudoephedrine are rare. Symptoms of central nervous system excitation may occur, including sleep disturbances and rarely hallucinations have been reported. Skin rashes, with or without irritation, have occasionally been reported. Urinary retention has been reported occasionally in men receiving pseudoephedrine; prostatic enlargement could have been an important predisposing factor. Other reactions include fear, anxiety, tenseness, restlessness, tremor, weakness, pallor, respiratory difficulty, dysuria, convulsions, CNS depression, arrhythmias and cardiovascular collapse with hypotension.
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