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.