Nephrotoxicity: Bacitracin in parenteral (intramuscular) therapy may cause renal failure due to tubular and glomerular necrosis. Its use should be restricted to infants with staphylococcal pneumonia and empyema when due to organisms shown to be susceptible to bacitracin.
Precursor Skills to Sitting Up: 1  1. Holding baby in upright postures with support. 2  3. Play time on his back â This is a good way for baby to begin to strengthen the muscles on the front of their body (the flexors) 3  4. Rolling â Strengthens the muscles of his trunk as they work together with coordination.
When he is about 4 months old, his neck muscles will rapidly grow stronger, helping him as he learns to sit up. Your babyâs physical development progresses from the central part of his body to the peripheral parts -- his arms and legs.ou are probably curious about when your baby will be ready to sit up by himself. He starts getting control over larger muscles before learning to control the smaller muscles of his body.