Dry mouth or eyes, headache, constipation, nausea, or drowsiness may develop. If these effects persist or worsen after you buy Ditropan, notify your local doctor promptly. Report weakness, dizziness, vision problems, symptoms of urinary infection. Unlikely, but report nonetheless, eye pain, difficulty with urination, severe stomach pain, chest pain, fast or irregular heartbeat, fever, mental/mood changes, flushing hot or dry skin. In the rare occurence that you have an allergic reaction to this drug, seek immediate medical attention. If you notice other effects of Generic Ditropan medication not listed above, contact your local doctor.