Cetirizine is available as an over-the-counter (OTC) generic drug that comes in oral forms, including an oral tablet and solution. The usual dosage is 5 to 10 milligrams (mg) once per day, with a ...

DEAR DR. ROACH: My urologist prescribed Elmiron for my interstitial cystitis (IC), and it worked well. But the cost became prohibitive, so he suggested Zyrtec at bedtime. While it’s not quite as good ...

The US Food and Drug Administration (FDA) is warning that patients who stop taking cetirizine (Zyrtec) or levocetirizine (Xyzal) after long-term use may experience rare but severe itching. The agency ...

Some patients may suffer from unbearable itching across their entire body after stopping common allergy medications, health officials said. People who quit Zyrtec or Xyzal after using them daily for ...

As pollen peaks for the season, the U.S. Food and Drug Administration is warning that some popular allergy medications could cause a rare but severe itching side effect. The FDA said in a safety ...

(NEXSTAR) – Hundreds of people who stopped using allergy medications like Zyrtec and Xyzal noticed an uncomfortable new side effect, the U.S. Food and Drug Administration said in a warning issued this ...

When cetirizine was loaded into the hollow mesoporous molecular sieve, the drug was almost not released in the oral cavity when the patient took the preparation orally, which effectively avoided the ...