Why Is My 6 Months Old so Fussy – Reasons And Solutions

Your baby is so fussy at 6 months old because different physical changes start from 6 months. For example, teething starts from 4-5 months, and babies become fussy due to gum pain. Again, growing muscles and bones pain the babies and it’s a reason. There are some other reasons such as flu, food allergy, gas creation, etc.


You’ve now slight ideas on why is 6 months old so fussy. But you should know the solutions to these problems as well to deal with this.

No worries if you’re interested. In this article, you’ll find everything related to fussiness in the 6th month. So, let’s move on to the explanatory parts. 

Is it Normal for a 6 Months Old Baby to Get Fussy?

So, the first question is whether fussiness is normal for a 6-month-old baby. Well, babies get fussy during their first few months, no matter whether you breastfed them or formula-fed. And this fussiness starts from 3-4 weeks and lasts about 4-5 months. However, being fussy in the 6th month is also pretty common. So it’s a common behavior.

Babies become fussy at their peak generally during the evening and afternoon. And daily it lasts for 2-4 hours on average. However, if you find frequent changes in their behavior in fussiness then that might be an issue.

When it’s a Problem?

Fussiness is a common behavior and it generally occurs around a particular time. Besides, the baby also acts similarly and responds to certain things such as motion, frequent breastfeeding, etc. And it generally occurs during the daytime, afternoon, or evening. 

Now if you notice the fussiness is occurring during the unusual time, they act differently and last for more than you expected then it can be some other problems. It can be gastric, stress, or other issues. 

6 Reasons Why Your 6 Months Baby is So Fussy

Now you must be waiting to learn the most common reasons for fussiness. Here the reasons are given below.


Teething generally starts anytime between 4 to 12 months. But most of the time it starts in the 6th month. And babies become extremely fussy during the initial stage of teething. 

To solve or reduce the teething pain you’ve to try different things to calm his gum. For example, try teething biscuits, cold silicone teethers might come in help. If you want any easier suggestion then a little sip of cold water might work to soothe him.

Growth Spurt

A 6-month growth spurt is kind of a nightmare for both babies and parents. Babies become extra fussy during the time they go through a growth spurt.

It’s because their bones, muscles, and tendons grow and stretch very fast and as a consequence, they feel pain.

Moreover, they remain extra hungry during the growth spurt. During that time, maintain a regular routine, take care of them, and give them some extra cuddles. 

Solid Eating

Solid eating is another reason for being fussy. When a baby transforms to eating solids from liquid it’s not always comfortable for them. Their body takes a certain time to cope with new food and taste. And most of the time it causes different physical problems. 

For example, there are chances for your baby to feel constipated. Moreover, they can also experience stomach aches, diarrhea, or become bloated or gassy. 

Food Allergies

When you introduce babies to new food there are possibilities to develop allergies. And allergy makes babies extremely fussy.

To get rid of this problem you have to identify their behavior first. Vomiting, scratching the body, runny and itchy nose, and sneezing indicate your baby is suffering from allergies. So, talk to any child specialist and according to their suggestion change the daily food chart.

Seasonal Flu

Getting attacked by seasonal flu is very common among babies. Because of that, your baby may face a cough and cold. And it’s one of the major reasons for your baby being so fussy. 

If your baby is suffering from a cold you can give them steam baths and offer warm liquids. You can also give them medicine. But before that consult any doctor if they are eligible to take medicine or not and what medicine is appropriate for them. 


If you find your baby gets fussy at night then it’s slightly different from general fussiness. Gastric can be one of the main reasons for being fussy at night.

To deal with fussiness at night, properly make a food plan for your kid. Sometimes a pacifier helps in gas relief. So you can use a pacifier as well.  

Also read: Colic and Infant Reflux Tips for New Moms

4 Comfort Measures to Deal With 6 Months Old Fussy Babies

I’ve already covered the reasons with some specific solutions. Now it’s time for a general comfort measure to help you calm a fussy baby. I’ll add a table to make you understand everything easily. So let’s dig in.

Basic needs Nurse your baby.
Time by time changes the diaper.
Understand whether no clothing is sticking to him or not.
Minimize stimulation Avoid loud noise in the room.
Use dim lights.
Swaddle your child.
  Ensure Comfortness Massage your kid, especially their tummy for gas release.
Cuddle her/him more.
Stay careful while carrying the baby.
Change of Pace  Feed your baby with motion.
If they wake up at night take them to their lap and walk in the room.
Let them enjoy a car ride with you.
Take them outside and let them enjoy different scenarios. 



At What age is the baby most fussy?

Babies generally get fussy the most between 4-6 months. It is mainly because of teething and changes in food. Another reason is during then the muscle and bones grow and they feel pain. 

When do babies stop being so fussy?

It depends on several factors, especially for different babies. Generally at 10-12 months fussiness starts to decrease and it gets easier for parents to handle the baby. At around the 12th month their crying decreases steadily and they stop being fussy. 


By now you should understand everything about the topic – why is my 6 months old so fussy?

I’ve explained the reasons and solutions for this regular problem. A final tip for you before leaving. If the fussiness is because of any certain illness, take proper initiatives. Because longtime fussiness can affect your baby’s mental health.

About Sujana Vij

Hi, this is Sujana. I am an independent strong woman. My noteworthy identity is I am a mother of two children and also a baby site blogger. Besides, the part of my job I love to help parents by giving them useful and practical suggestions that I gained through many difficulties. Normally, we use many products or items for our baby. As a mother, I know how difficult to choose the best product for your baby. In addition, if you are a rookie parent then it's much more difficult. You might need to talk to real parents. That's why I share my experience and feelings upon the best baby products and parenting tips