What side effects may I notice from receiving Dexchlorpheniramine?

Side effects that you should report to your doctor or health care professional as soon as possible:
-allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
-agitated, nervous, excitable
-breathing problems
-changes in vision
-fast, irregular heartbeat
-seizures
-trouble passing urine or change in the amount of urine
-unusually weak or tired

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
-dry mouth, nose, throat
-headache
-sleepy
-stomach upset, nausea
-difficulty sleeping

This list may not describe all possible side effects for Dexchlorpheniramine. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.