Common side effects are drowsiness and dry mouth. Your pet may also develop urinary retention. Other side effects that are less common include diarrhea, vomiting and lack of appetite. If any symptoms appear to distress your animal, contact your veterinarian. Always tell your veterinarian all the medicines your pet is on before adding new medications.
Do not use if cat or dog is pregnant or nursing. Do not administer to pets suffering from glaucoma, high blood pressure, urinary obstruction, and prostate disease. Use with caution when given with other CNS (central nervous system)-depressant drugs such as tranquilizers or barbiturates.
Use caution when used in conjunction with CNS depressants, heparin, warfarin, and epinephrine.