It’s not uncommon for a baby who previously accepted a bottle to suddenly push it away. This "bottle strike" can be stressful, but understanding the potential triggers can help you navigate the challenge with patience.

Why the Sudden Change?

At around 5 months, babies become increasingly aware of their surroundings and their own comfort. A sudden aversion to the bottle often points to a few common culprits:

• Teething Discomfort: If your baby’s gums are red, swollen, or itchy, the pressure of a bottle nipple can exacerbate the pain. If you notice a lot of drooling or gnawing on fingers, teething might be the primary distraction.
• Consistency is Key: If bottle-feeding hasn't been a daily part of your routine, your baby may have simply developed a strong preference for the comfort and flow of direct nursing. Babies often prefer the "real thing" over synthetic nipples if they aren't practiced in both.
• Flow Preference: Sometimes, a baby decides they no longer like the current flow rate, even if it worked previously.

Tips for Encouragement

If your baby is crying at the bottle, try not to force it, as this can create a negative association. Instead, try these gentle strategies:

1. Change the Environment: Sometimes, a change of scenery or letting someone else offer the bottle can help, as babies can be more sensitive to nursing cues when they are with their primary caregiver.
2. Sooth the Gums: If teething is the issue, offer a clean, cold teether or perform a gentle gum massage before attempting a feed. This can provide relief and help them relax enough to eat.
3. Check the Temperature: Occasionally, babies develop a preference for the temperature of the milk. Ensure it is comfortably warm but not hot.

Remember, if your baby refuses the bottle for an extended period, consult your pediatrician to rule out any underlying health issues or ear discomfort that might make sucking painful. Be patient—this is often a temporary phase in their development.