Aclient who is taking haldol, aricept, colace, tums and ampicillin is experiencing bowel urgency and incontinence. which of their medicines may be contributing to their diarrhea? select all that apply

Let's see the drugs one by one:
- Haldol (haloperidol): it's a drug used as neuroleptic, its anticholinergic effect cause constipation. So this drug does not apply
- Aricept (donepézil): it's an anti-Alzheimer drug. It's known for causing diarrhea, so it applies
- Colace (sodium docusate): It's a drug used to treat constipation, it can cause diarrhea if it's overdosed, so it applies
- Tums (calcium carbonate): it's an antiacid used for burning chest pain. It can cause both constipation or diarrhea if it's very overdosed.
- Ampicillin: it's an antibiotic from penicillin family. They are known for causing diarrhea due to the alteration of the intestinal flora.
The most contributing medicines are Aricept, Colace, and Ampicillin.