My boyfriend has had a difficult time on the zyrtec. He complains of weight gain, depression, and has had terrible trouble with his heart, difficulty breathing. He's not going to take it anymore.
This registry is a place to share positive or negative side effects of using Zyrtec. If you directly experienced a side effect while using Zyrtec, then we encourage you to enter it here. Please note that entries here are the experiences of individual users, and in no way means that you or anyone else will experience the same side effect, since the same medication affects people in different ways. Please always contact your physician.
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