He may want to check for a medical reason.
3 week old baby with colic symptoms.
Colic usually starts when a baby is about 2 weeks old and ends by 4 months.
Episodes of colic usually peak when an infant is about 6 weeks old and decline significantly after 3 to 4 months of age.
Food allergies or sensitivity.
Colicky babies often get fussy toward the end of the day.
Have a bloated tummy.
Most babies pick a fussy period during the afternoon or early evening.
Colic does tend to start around 3 weeks old so you can keep track of how long your baby is crying and when it tends to happen.
Colic usually reaches its peak at 6 8 weeks after birth.
While the excessive crying will resolve with time managing colic adds significant stress to caring for your newborn child.
Your well being is important too.
Ask friends and family for help.
You might notice that your child cries.
Pass gas while she sheds tears often because she s swallowed air.
But it can happen at any time.
Talk to your baby s doctor about the crying.
With no clear reason such as hunger or a dirty diaper like they re in pain along with clenched fists stiff arms an arched back or curled legs while turning bright red.
In babies with colic there could be periods of crying that last two to three hours per day especially at night.
Infants may begin to show signs of occasional gastrointestinal distress.
Have a red flushed face when she cries.
The good news is most babies outgrow gerd by age 1 and colic usually goes away long before then.
These episodes often occur in the evening when parents themselves are often tired.
Clenching their fists when crying or curling up their legs.
Crying around the same time s each day.
Symptoms include frequent spitting up poor eating and irritability during and after feedings.
Your colicky baby may also.
Tighten her stomach muscles.
13 june 2017 bouts of gas in a 3 week old baby can be as painful for the parent as they are for the newborn.
The crying of a colicky baby often seems discomforting intense and as if the baby is in pain.
A colicky baby is not an unhealthy baby.
A distended belly pulling up of the legs flatulence burping and fussiness.
Signs of colic colic generally appears when baby is 3 weeks old and is characterized by at least three hours of crying at least three times a week typically ending within three months.
Colic ends for 50 of cases around 3 months and in 90 of cases by 9 months of age.
A tip from verywell.