| Agent | Dosage | Comments |
|---|---|---|
| Bismuth subsalicylate (Pepto-Bismol) | Two 262-mg tablets or 2 fluid oz (60 mL) four times daily for up to three weeks | Avoid if allergic to aspirin, pregnant, or on anticoagulants, probenecid (Benemid), or methotrexate (Rheumatrex). |
| Avoid in patients taking doxycycline (Vibramycin) for malaria prophylaxis. | ||
| Lactobacillus GG (Culturelle) | Optimal dosing not yet determined | Safe; more studies needed to confirm efficacy |