What Happens If You Take 2 Zyrtec In 24 Hours?
Taking two doses of Zyrtec (cetirizine) within 24 hours is generally not dangerous for most adults, but it increases your risk of side effects like drowsiness, dry mouth, and dizziness. The standard recommended dose is 10 mg once daily, and doubling that to 20 mg pushes your body into territory where the drug’s sedative effects … Read more