Re: 4 month old with painful gas
Welcome to the forum!
What you describe sounds more like colic or teething than like gas. Gas doesn't usually happen just once a day and doesn't usually present as inconsolable crying. Fussiness, yes; inconsolable cries, no. One reason that I immediately though "colic" is that your baby is the right age for it. Colic usually crops up between 3 weeks and 3 months and vanishes by 6 months. Since your baby's corrected age (as opposed to calendar age) is just around 3 months, she's right in the prime zone. Gas problems would have been present from birth- they wouldn't pop up now.
There's no way I'd switch to formula over this, since a) it's so much less healthy for both you and baby on so many levels and b) it's very unlikely to have any impact on what's bothering your baby. If your baby is otherwise happy and healthy and growing and developing normally, I wouldn't bother taking her in to the doc. But if you feel like the situation is worsening or she develops new symptoms, then I'd make an appointment.
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