Baby Drinking from Baby Bottle
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Glass or Plastic Bottles?

Your baby may give you clues about which they like better. Plastic bottles are lightweight and shatterproof but may not last as long as glass. In the past, some parents chose glass to avoid a chemical called bisphenol A (BPA) that was used in some plastic bottles. Now, all plastic bottles sold in the U.S. are BPA-free. Hybrid bottles are plastic on the outside so they don’t break, with a glass liner between the plastic and the formula.

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Baby Bottle Nipples
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What to Know About Nipples

Most are made of silicone or latex, and they come in various shapes. They sometimes have different "flow rates," based on the size of the nipple's hole. You may want to try several types to see what your baby likes and can drink easily from. Check nipples often for signs of wear or cracking. Replace any that are worn or discolored.

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woman washing bottle
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Wash Bottles and Nipples

You can wash them with detergent and hot water, by hand or in the dishwasher. Do it each time you use them. You may prefer to wash plastic bottles by hand, since some studies show that chemicals leak from plastic when it's exposed to hot temperatures. 

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baby drinking from bottle
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Stick to Breast Milk or Formula

Give your newborn only pumped breast milk or formula in the bottle -- no water or juice. Mix formula exactly as it says on the label. Adding too much water thins the formula, skimping on nutrition. And it may cause low salt in the baby, which can lead to seizures. Too little water may be hard for your little one's stomach and kidneys.

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Father preparing baby formula
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How to Choose a Formula

Most parents start with one made from cow's milk. You can also buy soy and hypoallergenic kinds. Make sure you use one that's iron-fortified. You can buy formula in powdered, concentrated, or ready-to-use forms. By 6 months, your baby should be drinking between 6 and 8 ounces per feeding.

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Man Testing Baby Formula
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Warm or Room Temperature?

It's fine to give your baby a cool or room-temperature bottle. If they prefer warm formula, put the filled bottle in warm water or run hot tap water over it for 1-2 minutes. Or you could use a bottle warmer. Don't use the microwave. It can cause hot spots that could burn your baby's mouth. Shake the formula and put a drop on the top of your hand to test the temperature. Don't test it on your wrist -- it's less sensitive to heat.

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mother bottle feeding  newborn baby
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How to Hold Your Baby

Put a bib on them, and have a cloth ready to clean any spit-up breast milk or formula. Now, cradle them with their head a bit higher than the rest of their body. Hold the bottle and watch them eat. Watching your baby will help you know when they have finished. Try to burp them halfway through the feed to help limit spit-up.

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photo of father feeding baby
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Keep a Grip on the Bottle

When you're tired, it can be tempting to prop up the bottle on a pillow and let your baby feed themselves. But there are lots of perks if you hold the bottle while they eat. It’s great for bonding, and it’s safer.  Leaving your baby with a propped-up bottle makes choking and tooth decay more likely. It can also cause ear infections. So enjoy your bottle time!

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mother bottle feeding  newborn baby
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How Do You Know When Baby's Done?

Your little one will let you know when they are finished feeding. They may stop sucking, turn away from the bottle, or, if they are old enough, push the bottle away. Give them a chance to change their mind, but don't make them finish what's in the bottle. If your baby tends to spit up after feeds, you may need to give them smaller but more frequent meals and keep them upright for 20-30 minutes afterward (but not in a car seat).

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photo of woman burping baby
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How to Burp Them

If your baby needs a burp during or after feeding, hold them on your lap or rest them on your shoulder. Gently pat or rub their back. You can also sit them on your lap, supporting their head, while you pat their back. They may spit up some milk, so have a cloth handy. If they don't burp after a few minutes but seem content, don't worry. Not every baby burps after every feeding.

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baby spitting up on dads shirt
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Cut Down on Spit-Up

If your baby spits up a lot, burp them every few minutes during feedings. Don't lay them down or play with them for 45 minutes after they eat. Hold them upright or prop them up in a car seat after the meal. Spitting up often gets better when a baby starts sitting up. If you're worried about how much they spit up, talk to their pediatrician.

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mother with baby talking to doctor
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Should You Switch Formulas?

If your baby spits up a lot or is fussy, you might blame the formula. Sometimes, babies can have allergies that can cause things like diarrhea, vomiting, or dry, red skin. If you see this, talk to your little one's doctor. They'll tell you if you need to change formulas -- and if so, how to do it best. Don't make a change before you talk to the doctor.

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Man Holding Baby Bottles
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How Long Can You Store Milk?

Make formula as needed. Don't mix big batches. Always throw out formula that's left over in the bottle. Refrigerate opened packages of liquid formula right away, and use them within 48 hours. If you have mixed formula from powder, you can store it for 24 hours in the fridge. If formula is left out more than 1 hour, throw it out. Refrigerate breast milk for use within 7 days. Or freeze it. Breast milk can last 3 months in a regular freezer that’s kept at 0o F, or 6 months in a deep freezer.

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Sources | Medically Reviewed on 02/11/2021 Reviewed by Renee A. Alli, MD on February 11, 2021


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American Academy of Family Physicians: "Infant Formula."
American Academy of Pediatrics: "Breastfeeding Initiatives FAQs." "Infant Formula."
FDA: "Food Safety for Moms-to-Be," "Breast Milk," "Feeding Your Baby With Breast Milk or Formula." "Burping, Hiccups, and Spitting Up."
KidsHealth: "Formula Feeding FAQs: Some Common Concerns."
USDA: "A Guide for Use in the Child Nutrition Programs," "Feeding Infants."

Reviewed by Renee A. Alli, MD on February 11, 2021

This tool does not provide medical advice. See additional information.

THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.