Chlorcyclizine, codeine, and pseudoephedrine Side Effects

Please note - some side effects for Chlorcyclizine, codeine, and pseudoephedrine may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.

Side Effects by Body System - for Healthcare Professionals

Applies to: oral liquid

Nervous system

Nervous system side effects have included excitability, drowsiness, nervousness, and sleeplessness.

Cardiovascular

Cardiovascular side effects have included hypotension and dizziness.

Dermatologic

Dermatologic side effects including rashes, severe scarlatiniform eruptions, and generalized dermatitis have been reported rarely.

Gastrointestinal

Gastrointestinal side effects including nausea, vomiting, and constipation have been reported frequently. Severe constipation and ileus resulting in colonic perforation have also been reported. Four cases of acute pancreatitis have been reported.

Genitourinary

Genitourinary side effects including urinary retention have been reported.

Ocular

Ocular side effects including a temporary 26% decrease in pupil diameter following the administration of intravenous codeine have been reported.

Other

Other side effects including withdrawal symptoms after either abrupt cessation or fast tapering of narcotic analgesics have been reported. These withdrawal symptoms have included agitation, restlessness, anxiety, insomnia, tremor, abdominal cramps, blurred vision, vomiting, and sweating.

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