What are the side effects of cetirizine and pseudoephedrine?

Possible side effects of cetirizine and pseudoephedrine include dizziness, drowsiness, fatigue, dry mouth, difficulty concentrating, a ringing sound in the ears, constipation, nausea, and stomach ache. Some people experience more serious side effects, including: abnormal heart beat; difficulty urinating; vision problems; tremors; insomnia; weakness; hyperactivity or restlessness; fear or disorientation; jaundiced skin or eyes; dark-colored urine; elevated blood pressure; and allergic reactions, such as difficulty breathing, hives, and swelling of the face or throat. If you should experience any of these serious side effects, seek medical attention immediately.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.