What are the side effects of Claritin-D?

If you have an allergic reaction to Claritin-D (12-hour or 24-hour) tablets, seek emergency help. Allergic symptoms include hives, problems breathing and swelling of your face, lips, tongue or throat. Some other problems may be:

  • dry mouth
  • insomnia
  • loss of appetite
  • memory or concentration problems

Serious side effects may include:

  • unusual heartbeat
  • confusion
  • hallucinations
  • unusual behavior
  • problems urinating
  • mild ringing in the ears
  • dizziness
  • restless
  • anxiety
  • nervousness
  • dangerously high blood pressure and any of the symptoms associated with that

If you experience serious side effects, stop taking the drug immediately and contact your doctor.

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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.