1.   After taking the drug, several patients suffered memory lapses.

2.   Some patients suffer from nausea and headaches.

3.   The patient suffered a sudden Decrease in the blood supply to part of her brain.

4.   The patients suffered hallucinations caused by the drug.

5.   They become less effective and even more difficult when a patient suffers a relapse.

6.   Patients usually suffer from increased irritability.

7.   The patient suffers from some kind of psychosis.

8.   The patient suffered a cerebral hemorrhage.

9.   The patient was suffering from heart failure.