Note: This article is for general educational purposes and should not replace medical advice. If pain is severe, persistent, one-sided, linked with swelling, fever, limping, weakness, weight loss, or trouble walking, a healthcare professional should evaluate it.
“Growing pains” sounds like the body is stretching overnight like a cartoon character who got pulled by both ankles. Thankfully, that is not what is happening. In fact, the name is a little misleading. Growing pains are usually not caused directly by bones growing, and they do not mean a child is suddenly leveling up like a video game character.
Growing pains are common aches, usually in the legs, that appear in many children during the preschool and school-age years. They often show up in the evening or at night, disappear by morning, and do not cause swelling, redness, limping, or reduced activity the next day. For parents, that pattern can feel both mysterious and dramatic: one minute your child is hopping around like a kangaroo with Wi-Fi, and the next minute they are clutching their calves at bedtime.
But what about teens? What about adults who say, “I feel like I’m having growing pains”? This guide explains what growing pains really are, how they usually feel, what symptoms deserve attention, and why adults with “growing pain-like” aches may actually be dealing with something else.
What Are Growing Pains?
Growing pains are recurring muscle aches that typically affect children’s legs. They are most often felt in the thighs, calves, shins, or behind the knees. The discomfort usually happens late in the day or during the night and is often gone by morning.
Despite the name, growing pains are not considered a sign that bones are actively growing. Children grow all the time, but growing pains do not reliably appear during growth spurts, and they do not happen in the growth plates themselves. Many experts believe they may be related to muscle fatigue after a busy day of running, jumping, climbing, sports, playground missions, and other high-energy activities.
Common Signs of Growing Pains
Typical growing pains have a recognizable pattern. They often:
- Occur in both legs, though not always at exactly the same time
- Appear in the evening or at night
- Go away by morning
- Do not cause limping
- Do not cause swelling, warmth, redness, or rash
- Come and go rather than getting worse every day
- Improve with massage, stretching, warmth, comfort, or rest
A child with classic growing pains usually feels fine during the day. They run, play, climb furniture they were definitely told not to climb, and generally behave like their legs never filed a complaint with management.
Growing Pains in Children
Growing pains are most common in younger children, especially between the preschool years and early adolescence. Many children experience them between ages 3 and 12. Some children may have occasional episodes for months or even years, while others only have a few memorable nights of leg aches.
Why Do Children Get Growing Pains?
The exact cause is not fully understood, but several factors may contribute. Physical activity is one of the most common suspects. A long day of running, jumping, biking, sports practice, or general chaos can leave muscles tired. When the body finally slows down at night, the aches may become more noticeable.
Other possible contributors include flexible joints, flat feet, posture or gait differences, lower pain threshold, stress, and sometimes low vitamin D levels. These do not mean every child with leg aches has a deficiency or orthopedic problem. They simply help explain why some kids seem more prone to nighttime aches than others.
Where Do Children Feel Growing Pains?
Children often describe the pain in the front of the thighs, calves, shins, or behind the knees. The pain is usually muscular rather than directly inside a joint. A child may say their “legs hurt,” “knees hurt,” or “bones hurt,” but the pattern matters more than the vocabulary. Kids are not tiny orthopedic surgeons; sometimes “my knee hurts” means “somewhere in this general leg neighborhood is being rude.”
Growing Pains in Teens
By the teenage years, classic growing pains usually become less common. Teens can still have nighttime leg aches, muscle soreness, and growth-related discomfort, but persistent pain in adolescents deserves a closer look, especially if the teen plays sports or has pain in one specific area.
Teenagers are more likely to experience overuse injuries, tendon irritation, joint stress, or growth plate-related conditions. For example, active teens may develop knee pain from Osgood-Schlatter disease, heel pain from Sever’s disease, muscle strains, shin splints, or stress injuries. These conditions are different from classic growing pains because they often appear during activity, affect a specific spot, cause tenderness, or interfere with sports and daily movement.
When Teen Leg Pain Is Not “Just Growing”
Teen pain should not be brushed off if it is one-sided, worsening, linked to swelling, associated with a limp, or triggered by activity. Pain that keeps returning to the same knee, hip, heel, or shin is also worth checking. A teen who says, “It only hurts when I run,” is describing a different pattern from a younger child who wakes at night with both calves aching after a wild day at the playground.
For teens, the goal is not to panic. The goal is to avoid calling every ache “growing pains” when the body may actually be asking for better shoes, rest, training changes, stretching, physical therapy, or medical evaluation.
Can Adults Have Growing Pains?
Adults can have aches that feel similar to childhood growing pains, but adults do not usually have true growing pains. Once growth is complete, recurring leg pain usually has another explanation. That does not mean the cause is always serious, but it does mean the label “growing pains” becomes less accurate.
Adult leg aches may come from muscle fatigue, exercise soreness, poor sleep, dehydration, cramps, restless legs syndrome, circulation issues, nerve irritation, arthritis, fibromyalgia, medication side effects, vitamin or mineral problems, or repetitive strain from work or exercise. Sometimes the cause is simple: too much standing, too much sitting, too little stretching, or shoes that look fashionable but treat your feet like enemies.
Adult Symptoms That Need Medical Attention
Adults should seek medical advice if leg pain is severe, persistent, one-sided, swollen, red, warm, associated with shortness of breath, linked with numbness or weakness, or appears after an injury. Pain that wakes someone repeatedly, worsens over time, or affects walking should also be evaluated.
In short: adults may say “growing pains” as a casual phrase, but the body may be pointing to a muscle, nerve, joint, circulation, or inflammatory issue. Translation: the legs are sending an email, and it should not be left unread forever.
What Growing Pains Feel Like
Growing pains are often described as aching, throbbing, or cramping. Some children feel mild soreness, while others cry or wake up at night. The intensity can vary, but the reassuring feature is that the pain usually passes and the child is normal the next day.
A typical example might look like this: a 7-year-old spends Saturday riding a bike, chasing cousins, jumping on and off the couch despite every adult objection, and playing tag until sunset. That night, they wake up with both calves aching. A parent massages the legs, applies gentle warmth, offers comfort, and the child falls back asleep. By breakfast, the child is asking to go outside again, because apparently the legs held a meeting and decided to forgive everyone.
What Causes Growing Pains?
There is no single proven cause of growing pains. The most practical explanation is that active children may feel muscle soreness after busy days. The pain becomes more noticeable at night when distractions fade and the body is finally still.
Possible Contributing Factors
Several factors may make growing pains more likely or more noticeable:
- High activity levels: Running, jumping, climbing, and sports can tire leg muscles.
- Flexible joints: Some children with hypermobility may experience more aches.
- Foot mechanics: Flat feet or gait differences may contribute to muscle fatigue.
- Pain sensitivity: Some children naturally notice body sensations more intensely.
- Stress or fatigue: Emotional stress and poor sleep can amplify discomfort.
- Nutrition factors: Low vitamin D may play a role in some children, though it is not the cause in every case.
Growing pains are not caused by laziness, bad parenting, weak character, or a child being “dramatic.” Children can feel real pain even when nothing dangerous is happening. The trick is learning the pattern and watching for signs that do not fit.
When to Worry About Leg Pain
Most growing pains are harmless, but not all leg pain is growing pain. Certain symptoms should be evaluated by a healthcare provider.
Red Flags to Watch For
- Pain that is always in the same spot
- Pain in only one leg that keeps returning
- Morning pain or stiffness
- Limping or refusal to walk
- Swelling, redness, warmth, or rash
- Fever, fatigue, weight loss, or loss of appetite
- Joint pain rather than muscle pain
- Pain after an injury
- Pain that gets worse over time
- Pain that interferes with school, sports, sleep, or normal activity
These signs do not automatically mean something serious is happening, but they do mean the pain deserves a proper evaluation. A clinician may ask about timing, location, activity, injuries, family history, and other symptoms. In many cases, no tests are needed for classic growing pains. If the pattern is unusual, blood tests, X-rays, or other studies may help rule out other causes.
How to Help Growing Pains at Home
For typical growing pains, home care is usually enough. The goal is comfort, reassurance, and helping tired muscles relax.
Simple Relief Methods
- Gentle massage: Rubbing the calves or thighs can calm discomfort and reassure the child.
- Warmth: A warm compress or heating pad on a safe setting may help relax muscles.
- Stretching: Gentle calf, hamstring, and thigh stretches may reduce tightness.
- Hydration: Active children should drink enough fluids, especially after sports or hot weather.
- Supportive shoes: Comfortable, well-fitting shoes can reduce strain during active days.
- Rest: A calmer day after intense activity may help if pain follows busy movement.
- Medication when appropriate: Parents may use acetaminophen or ibuprofen according to the label or a clinician’s guidance. Aspirin should not be given to children unless a doctor specifically recommends it.
It also helps to keep a simple pain diary. Write down when the pain happens, where it is, what the child did that day, how long it lasted, and what helped. Patterns often appear faster on paper than in a tired parent’s brain at 2:13 a.m.
Growing Pains vs. Other Conditions
Growing pains are a diagnosis based on pattern and exclusion. That means doctors consider the symptoms and make sure the story does not suggest something else. Several conditions can mimic growing pains, especially in teens and adults.
Possible Causes in Children and Teens
Other causes of leg pain may include muscle strain, sports overuse, Osgood-Schlatter disease, Sever’s disease, juvenile arthritis, hip problems, infection, injury, or less commonly, more serious bone or nerve conditions. A limp, swelling, joint stiffness, fever, or pain that persists during the day is not the usual growing pain script.
Possible Causes in Adults
In adults, growing pain-like aches may be connected to restless legs syndrome, nighttime cramps, exercise overuse, arthritis, nerve pain, circulation problems, fibromyalgia, or vitamin deficiencies. Adults who notice new, recurring, or worsening pain should not self-diagnose forever. Search engines are useful, but they are not a substitute for someone who can examine the leg in real life.
How Parents Can Talk to Kids About Growing Pains
Children handle pain better when adults stay calm and believable. Saying “That’s nothing” may make a child feel ignored. Saying “Oh no, your legs are falling apart” is also not ideal, even if everyone is tired and dramatic. A better response is: “I know it hurts. This kind of leg ache can happen after active days. Let’s help your muscles relax and see how you feel in the morning.”
This approach validates the pain without feeding fear. It also teaches children to notice patterns: Does it happen after soccer? After trampoline time? After long walks? After wearing stiff shoes? That body awareness is useful far beyond childhood.
Prevention Tips for Recurring Growing Pains
Growing pains cannot always be prevented, but some habits may reduce episodes:
- Encourage gentle stretching after sports or intense play.
- Make sure shoes fit well and offer enough support.
- Build activity gradually instead of jumping from couch mode to marathon mode.
- Support balanced meals with enough calcium, vitamin D, protein, and fluids.
- Prioritize sleep, especially during busy school or sports seasons.
- Discuss frequent or intense pain with a pediatrician.
For teens, coaches and parents should watch for overtraining. More practice is not always better. Sometimes the most athletic thing a teenager can do is rest, stretch, and stop pretending pain is a personality trait.
Experiences Related to Growing Pains in Children, Teens, and Adults
Many families describe growing pains as a “nighttime mystery.” During the day, the child is perfectly fine. They run through the yard, jump into puddles, invent a sport involving pillows and questionable physics, and show no sign of pain. Then bedtime arrives, the house gets quiet, and suddenly the legs hurt. This pattern can worry parents at first, especially when a child cries or wakes from sleep. The good news is that classic growing pains usually follow a reassuring rhythm: evening pain, comfort measures, sleep, and a normal morning.
One common family experience is the post-adventure ache. A child spends the day at a park, birthday party, sports camp, or family outing. They have no interest in slowing down because childhood energy runs on batteries adults cannot legally buy. That night, their calves or thighs ache. A parent massages the legs, uses a warm compress, offers water, and sits nearby for a few minutes. The child relaxes. By morning, they are asking what fun thing comes next, while the parent is still recovering emotionally from the 1 a.m. leg emergency.
Another experience happens with sensitive children who notice body sensations strongly. These kids may describe pain in big, colorful terms: “My bones are buzzing,” “My legs are angry,” or “My knees are yelling.” The words can sound alarming, but the pattern may still be harmless if there is no limp, swelling, fever, injury, or morning pain. Parents can help by staying calm, asking simple questions, and tracking what happens over time. A pain diary can turn vague worry into useful information.
For teens, the experience is often different. A teenage athlete may call knee or shin pain “growing pains,” but the pain may actually appear during running, jumping, or practice. It may stay in one spot, feel tender to touch, or get worse when training increases. In that case, the best experience is not “push through it.” It is “pause, assess, and get guidance.” Teens are still growing, but they are also loading their bodies with sports, backpacks, long sitting hours, and sometimes terrible sleep. Their pain deserves attention, not automatic dismissal.
Adults often use the phrase “growing pains” more casually. Someone may say their legs feel like they did when they were a kid, especially after a long work shift, a new workout, or a stressful week. But adults are not having true childhood growing pains. Their discomfort might come from muscle soreness, cramps, joint irritation, restless legs, nerve sensitivity, or circulation concerns. Many adults ignore these signals because life is busy, but recurring pain is the body’s version of tapping the microphone. It may not be an emergency, but it is worth listening.
The shared lesson across children, teens, and adults is pattern recognition. When pain is brief, bilateral, nighttime-only, and gone by morning in a healthy child, growing pains may be the likely explanation. When pain is persistent, localized, worsening, associated with swelling or limping, or present during the day, it is time to investigate. Pain is information. Sometimes it says, “You played hard today.” Sometimes it says, “Please check this.” The wise response is neither panic nor dismissal, but calm attention.
Conclusion
Growing pains in children are common, real, and usually harmless. They tend to appear in the legs at night, improve with comfort measures, and disappear by morning. The name may be misleading, but the experience is familiar to many families: tired muscles, active days, bedtime aches, and a parent doing late-night calf massage like an unpaid spa employee.
For teens and adults, however, the phrase “growing pains” should be used carefully. Teen pain may involve sports injuries or growth-related overuse conditions, while adult aches usually have causes other than growth. The key is to look at timing, location, severity, and associated symptoms. Classic growing pains are temporary and do not limit normal activity. Pain with red flags deserves medical evaluation.
Understanding the difference helps families respond with confidence. Comfort the child, track the pattern, support healthy activity, and know when to call a healthcare provider. That combination is practical, calm, and much better than letting the internet turn every leg ache into a medical cliffhanger.