Problems with vision is a serious side effect of Zyrtec. Please see your doctor.
Other known side effects of Zyrtec are:
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop using Zyrtec and call your doctor at once if you have any of these serious side effects:
fast, pounding, or uneven heartbeat; weakness, tremors (uncontrolled shaking), or sleep problems (insomnia); severe restless feeling, hyperactivity; confusion; problems with vision; or urinating less than usual or not at all.
Less serious Zyrtec side effects may include:
dizziness, drowsiness; tired feeling; dry mouth; sore throat, cough; nausea, constipation; or headache.
- Zyrtec Information for Consumers
- Zyrtec Information for Healthcare Professionals (includes dosage details)
- Side Effects of Zyrtec (detailed)
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