About Budesonide Tab Steroids, Antiinflammatory drugs. Mechanism of Action of Budesonide Tab Budesonide controls the rate of protein synthesis, depresses the migration of polymorphonuclear leukocytes, fibroblasts, reverses capillary permeability and lysosomal stabilisation at the cellular level to prevent or control inflammation. Typical Dosage for Budesonide Tab Usually once daily before morning meal. The dosage and length of the treatment based on the medical condition. Side Effects of Budesonide Tab 1.Headache 2.Nausea 3.Respiratory infection 4.Depression