Common Side Effects:
Check with your doctor if any of the following side effects continue or are bothersome:
Drowsiness; thickening of mucus
Less Common or Rare Side Effects:
Check with your doctor if any of the following side effects continue or are bothersome:
Blurred vision or any change in vision; confusion; difficult or painful urination; dizziness; dryness of mouth, nose, or throat; fast heartbeat; increased sensitivity of skin to sun; increased sweating; loss of appetite; nightmares; ringing or buzzing in ears; skin rash; stomach upset or stomach pain (more common with pyrilamine and tripelennamine); unusual excitement, nervousness, restlessness, or irritability
Always Notify Doctor:
Less Common or Rare: Sore throat and fever; unusual bleeding or bruising; unusual tiredness or weakness
Overdose Effects - Notify Doctor:
Clumsiness or unsteadiness; convulsions (seizures); drowsiness (severe); dryness of mouth, nose, or throat (severe); feeling faint; flushing or redness of face; hallucinations (seeing, hearing, or feeling things that are not there); shortness of breath or troubled breathing; trouble in sleeping
Other side effects not listed above may also occur in some patients. If you notice any other effects, check with your doctor.
Further Reading

