Constantly Crying

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Crying is a normal, accepted part of a child’s development. It is the primary means of communication between your baby and yourself, or with other caregivers. Healthy newborn babies (0-3 months or newborn stage) cry and fuss, on average, for around 2 hours a day which usually reaches a peak around 4 - 6 weeks of age. After this the crying gradually lessens, and by around 12 weeks it is closer to around an hour a day. But all babies are different!

Mother trying to calm a crying baby.

Constantly Crying & CMPA

Why does my baby constantly cry?

Common reasons for babies to cry include hunger, tiredness, discomfort (for example, their nappy is wet, or they are too hot or too cold); over stimulation can also cause your baby to cry or if they need comforting. Newborn babies will also cry when they have discomfort and pain, such as reflux (Link Reflux), colic (Link colic), constipation (Link Constipation), or during illness.

In the newborn and infant development stage (up to 12 months) babies commonly cry more. This is usually to signal their needs and to express discomfort or distress. But it is known that as babies develop, they cry less frequently and become better at communicating their needs through other means, such as facial expressions, sigs/gestures, and through words.

Could it be Cow’s Milk Protein Allergy?

Babies that constantly cry and fuss (more than is usual for their age), and especially after feeding, might have colic and/or CMPA. However, babies with CMPA usually experience more than just one symptom and these symptoms can be very different from one baby to the next. Therefore it is always best to discuss it with your baby’s healthcare provider. They will look at the symptoms in detail and often use a symptom scoring system to decide if it is related to CMPA.

What to Do Next?

If you are worried that your baby has symptoms related to cow's milk, you should seek advice from your healthcare provider. Whilst you are preparing to visit your healthcare provider, it can be a good idea to record your baby's symptoms over a few days before the visit.

CMPA's diagnostic path.


Understand more about the steps towards 
a possible diagnosis of CMPA

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Overview of Symptoms

Respiratory icon


Up to 30% of infants with CMPA have respiratory symptoms

Anaphylaxis icon


Anaphylactic shock is a severe, immediate, allergic reaction, which can affect many parts of the body

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Up to 75% of infants with CMPA can have skin-related symptoms