Table 1.

Drugs for the treatment of CD

Drug	5-ASA (mesalamine or sulfasalazine)
Dosage	3.2-4 g/d
Indications	Mild to moderately active disease, postoperative maintenance
Important side effects	Headache, nausea and abdominal pain, often during treatment with sulfasalazine (in up to 45% of patients); thrombopenia; interstitial nephitis, pancreatitis;
Monitoring	Liver function, full blood count and especially renal function
Pregnancy	Suggested to be safe in conventional doses