Olsalazine: Side Effects, Uses & Monitoring
Facts extracted from current FDA product labeling for Olsalazine. Educational only — not medical advice.
Reported adverse reactions
| Reaction | Highest frequency reported* |
|---|---|
| Diarrhea | 11.1% |
| Abdominal pain/cramps | 10.1% |
| Dyspepsia | 4.3% |
| Arthralgia/joint pain | 4% |
| Increased blood in stool | 3.4% |
| Nausea | 3% |
| Headache | 3% |
| Fatigue/drowsiness/lethargy | 2.9% |
| Insomnia | 2.4% |
| Rash | 2.3% |
| Heartburn | 2% |
| Bloating | 1.5% |
| Upper respiratory infection | 1.5% |
| Itching | 1.3% |
| Rectal bleeding | 1% |
| Insomina | 1% |
| Dizziness | 1% |
| Anorexia | 1% |
| Light headedness | 1% |
| Depression | 1% |
*Highest percentage across placebo-controlled trial tables summarized in current labeling.
Labeled uses
INDICATIONS AND USAGE: Olsalazine is indicated for the maintenance of remission of ulcerative colitis in patients who are intolerant of sulfasalazine.
Source: FDA labeling via NIH DailyMed (set 9dd522a3…). Not affiliated with FDA or NIH.
Medical disclaimer: Always consult a qualified healthcare professional about any medication.