COLAZAL
What it is5-ASA prodrug cleaved by colonic bacteria; ulcerative colitis.
Why this oneIts inert carrier delivers mesalamine to the colon without sulfasalazine's sulfapyridine-related adverse effects.
What limits itA large capsule burden hurts adherence. Interstitial nephritis as for the class.
Read the full label on DailyMed ↗
| FDA dosing | Population | Start | Target | Max |
|---|---|---|---|---|
| Mildly to moderately active ulcerative colitis | Adult | 3.3 g (three 1.1 g tablets) BID | 3.3 g BID | 6.6 g/day, up to 8 weeks |
Renal Assess renal function at baseline and periodically; evaluate risk/benefit and monitor in impairment (no fixed dose adjustment)
Hepatic Caution — reports of hepatic failure in pre-existing liver disease; evaluate risk/benefit
Pregnancy Human data have not reliably shown increased risk; no adverse developmental effects in animals
Lactation Mesalamine and metabolite present in milk in small amounts (RID ≤0.1%); monitor infant for diarrhea
NO BOXED WARNINGS
Principal riskCapsule burden; interstitial nephritis
Cost, est. cash$10–$300/month
Generic entry2007
Legacy pregnancy categoryUnknown / historical label unavailable
Defining liabilityGenerally tolerated at therapeutic doses; clinically important risks are agent-specific and increase with interactions or organ impairment.

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