There are many dycyclomine side effects that can occur. If you experience severe side effects you must seek medical treatment. Sever side effect include difficulty breathing, hives, and swelling of the face, lips, mouth, and throat. Other severe side effects include hallucinations, unusual behavior and thoughts, and confusion. A rapid or irregular heart beat is a severe side effect of this medication. Decreased urination is also a severe side effect.
Less serious side effects can occur. These side effects usually take the form of dizziness, drowsiness, and headaches. Your vision can become blurred with use of the medication. Stomach upset, bloating, and constipation have been reported with use of this medication. Nausea and vomiting are likely to occur. Appetite can become decreased. The skin can become irritated and you may develop a rash or itching with use of this medication. Dry mouth and nasal congestion are common side effects.