Allegra D side effects
Get emergency medical help if you have any of these signs of an allergic reaction to Allegra D: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Stop using this medication and call your doctor at once if you have any of these serious side effects:
- fast, pounding, or uneven heartbeat;
- confusion, hallucinations, unusual thoughts or behavior;
- severe dizziness, anxiety, restless feeling, or nervousness;
- increased blood pressure (severe headache, blurred vision, trouble concentrating, chest pain, numbness, seizure);
- confusion, hallucinations, unusual thoughts or behavior;
- easy bruising or bleeding, unusual weakness, fever, chills, body aches, flu symptoms; or
- urinating less than usual or not at all.
Less serious Allegra-D side effects may include:
- blurred vision;
- dry mouth;
- nausea, stomach pain, constipation;
- mild loss of appetite, stomach upset;
- warmth, tingling, or redness under your skin;
- sleep problems (insomnia);
- restless or excitability (especially in children);
- skin rash or itching;
- dizziness, drowsiness;
- problems with memory or concentration; or
- ringing in your ears.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
