• Published on: May 22, 2022
  • 3 minute read
  • By: Second Medic Expert

Understanding Creatinine Blood Test

  • WhatsApp share link icon
  • copy & share link icon
  • twitter share link icon
  • facebook share link icon

A creatinine blood test is a test that measures the level of creatinine in your blood. Creatinine is a waste product that is produced by your muscles and filtered out by your kidneys. If your kidneys are not functioning properly, the level of creatinine in your blood will increase. The normal range for creatinine in adults is 0.6 to 1.3 mg/dL. A increase in the level of creatinine in your blood may be due to:

- Kidney disease

- Liver disease

- Muscle injury or illness

- Heart failure

- Eating large amounts of meat or tofu

- Taking certain medications, such as aspirin, ibuprofen, or some

The creatinine blood test is used to assess kidney function. Creatinine is a waste product that is produced by muscle metabolism and excreted by the kidneys. When the kidneys are not functioning properly, creatinine levels in the blood can increase. There are several reasons why your doctor may order a creatinine blood test. For example, if you have symptoms of kidney disease, such as fatigue, edema (swelling), or proteinuria (protein in the urine), your doctor may order a creatinine blood test to check for kidney impairment.  Creatinine is a waste product that is produced by muscle metabolism and discarded by the kidneys. This test measures the level of creatinine in the blood. An increase in creatinine levels may indicate impaired kidney function.

There are several reasons why your doctor may order a creatinine blood test. Your results may be watched closely if you have a history of kidney disease, diabetes, or high blood pressure. This test may also be ordered if you are taking medications that can affect kidney function, such as certain antibiotics or contrast agents used for imaging studies. Creatinine is a waste product that is produced by muscle metabolism and discarded by the kidneys. This test measures the level of creatinine in the blood. An increase in creatinine levels may indicate impaired kidney function.

There are several reasons why your doctor may order a creatinine blood test. Your results may be watched closely if you have a history of kidney disease, diabetes, or high blood pressure. This test may also be ordered if you are taking medications that can affect kidney function, such as certain antibiotics or contrast agents used for imaging studies. Creatinine is a waste product that is produced by the muscle and filtered out by the kidney. The creatinine blood test measures the amount of creatinine in the blood. A high level of creatinine in the blood can indicate that the kidneys are not working properly.

The creatinine blood test is typically ordered as part of a kidney panel or chemistry profile, which includes other tests that evaluate kidney function. The liver also shares responsibility for filtering out wastes like creatinine, but most of the creatinine in the body comes from muscle activity, so it's a good marker for kidney function. Creatinine is a waste product that is produced by your muscles and filtered out by your kidneys. The level of creatinine in your blood can be a good indicator of how well your kidneys are functioning.

If you have kidney disease, your creatinine level will be higher than normal because your kidneys are not able to filter it out as effectively. The creatinine blood test can help to diagnose kidney disease and to monitor its progression. The creatinine blood test is used to assess kidney function. Creatinine is a waste product that is produced by muscle activity and filtered out of the blood by the kidneys. If the kidneys are not functioning properly, creatinine will build up in the blood. The creatinine blood test is a simple and quick test that can be done at your doctor’s office or at a lab. A small sample of blood will be taken from a vein in your arm and sent to a lab for analysis. The results of the test will usually be available within a few days.

Most people are familiar with the basic blood tests that are performed when you go for a physical, such as a cholesterol test or a blood sugar test. However, there is another important blood test that is often performed but may not be as well-known – the creatinine test. It is typically inspected in a blood sample to gauge kidney function. Your kidneys filter out waste products from your bloodstream andCreatinineahealthy level of creatinine should be promptly removed by your kidneys and excreted in urine. Thus, an elevated level of creatinine in the blood can be an early indicator of kidney disease.

Your creatinine blood test measures the level of creatinine in your blood. Creatinine is a waste product that's produced by your muscles and filtered out by your kidneys. A high level of creatinine in your blood can be a sign of kidney problems. There are a few different reasons why you might have an elevated creatinine level. One possibility is that you have a kidney infection or another type of kidney disease. Kidney disease can cause your kidneys to filter out less waste, which can lead to a buildup of creatinine in your blood. Another possibility is that you're taking certain medications that can increase creatinine levels, such as some diuretics or enzyme inhibitors.

A high level of creatinine in your blood may indicate that your kidneys aren't working properly. Your doctor may order a creatinine blood test if they suspect you have kidney disease or if you're taking medication that can affect kidney function. The test is also used to help monitor kidney function in people who have conditions that put them at risk for kidney problems, such as diabetes or high blood pressure.

Read Blog
Insomnia in Teens and How to Manage It

Insomnia in Teens and How to Manage It

Sleep is essential for growing teens, yet many struggle to get enough of it. From school stress to social media scrolling, teenagers today face multiple challenges that affect their sleep. One of the most common sleep disorders among adolescents is insomnia—the inability to fall asleep, stay asleep, or wake up feeling rested.

In this blog, we’ll break down the causes, effects, and simple strategies to handle insomnia in teens and how to manage it naturally.

 

What is Insomnia?

Insomnia is a sleep disorder that makes it hard to fall asleep, stay asleep, or get quality rest. Teens with insomnia often feel tired during the day, even if they’ve spent enough time in bed.

There are two main types:

  • Short-term insomnia: Lasts for a few days or weeks, often triggered by stress or changes in routine.
     

  • Chronic insomnia: Occurs at least three times a week for over three months.
     

 

Why Is Insomnia Common in Teens?

Teenagers go through many physical, emotional, and social changes. All these factors can disturb their sleep:

1. Hormonal Shifts

During puberty, the sleep hormone melatonin is released later at night. This shifts the body clock, making teens naturally want to sleep and wake up later.

2. Screen Time

Excessive use of phones, tablets, or laptops before bedtime exposes the brain to blue light, which delays melatonin release and interferes with sleep.

3. Academic Stress

Homework, exams, and performance pressure can cause anxiety and overthinking at night, preventing restful sleep.

4. Caffeine Intake

Energy drinks, tea, coffee, and cola consumed in the evening can make it difficult to fall asleep due to their stimulating effects.

5. Mental Health Issues

Anxiety, depression, and emotional distress are often linked with poor sleep in teens.

 

Signs of Insomnia in Teenagers

  • Difficulty falling asleep at night
     

  • Waking up multiple times during the night
     

  • Feeling tired or sleepy during the day
     

  • Irritability or mood swings
     

  • Trouble focusing in school
     

  • Frequent headaches or stomach issues
     

  • Increased use of stimulants (coffee, energy drinks)
     

 

How Insomnia Affects Teens

Sleep deprivation can harm a teen's physical and mental health. Here are a few ways it affects their well-being:

  • Poor concentration in school
     

  • Weakened immunity
     

  • Increased risk of depression and anxiety
     

  • Weight gain due to hormonal imbalance
     

  • Risky behaviors due to impaired judgment
     

Teens who consistently sleep less than 7–8 hours are more likely to face emotional and academic challenges.

 

Natural Ways to Manage Insomnia in Teens

Thankfully, insomnia doesn’t always need medication. Many teens can improve their sleep with simple lifestyle changes.

1. Set a Regular Sleep Schedule

Encourage going to bed and waking up at the same time every day—even on weekends. This helps reset the body’s internal clock.

2. Limit Screen Time Before Bed

Avoid phones, TVs, and tablets at least 1 hour before bedtime. Use “night mode” or blue light filters if screen use is necessary.

3. Practice Relaxation Techniques

Deep breathing, meditation, gentle yoga, or reading a book before bed can calm the mind and prepare the body for sleep.

4. Watch Food and Drink

Avoid heavy meals, sugar, or caffeine in the evening. A light snack like warm milk, bananas, or almonds can promote better sleep.

5. Get Daily Exercise

Physical activity during the day can improve sleep quality—but avoid intense workouts right before bedtime.

6. Create a Sleep-Friendly Environment

Keep the bedroom cool, dark, and quiet. Use blackout curtains, soft bedding, and remove distractions like phones or bright lights.

 

When to See a Doctor

If your teen’s insomnia lasts longer than 3 weeks or affects their daily life, school, or mood, it’s important to consult a doctor or sleep specialist. Underlying conditions like anxiety, ADHD, or depression might need professional care.

 

Lab Tests That May Help

If your teen complains of constant fatigue or disrupted sleep, you might consider lab tests to rule out medical reasons such as:

  • Thyroid Function Test (for hormonal imbalance)
     

  • Vitamin D & B12 Tests (deficiency can affect sleep)
     

  • Stress Hormone Panel (Cortisol)
     

  • Iron Levels (especially in girls)
     

These tests are available through diagnostic providers like Thyrocare on platforms like SecondMedic.

 

Helping Teens Build Healthy Sleep Habits

As a parent, here’s how you can support better sleep:

  • Encourage open conversations about school pressure or emotional issues.
     

  • Set boundaries for screen use, especially at night.
     

  • Make the home environment calm and supportive before bedtime.
     

  • Lead by example—follow healthy sleep habits yourself.
     

 

Quick Tips for Teens

  • Sleep 8–10 hours every night
     

  • Don’t study in bed
     

  • Use a sleep diary or app to track sleep patterns
     

  • Avoid naps longer than 30 minutes in the day
     

  • Try journaling to clear the mind before sleep
     

 

Conclusion

Teenage insomnia is more common than many people realize. Fortunately, with the right support, structure, and healthy routines, it can be managed without medication.

If your teen shows signs of poor sleep, don’t ignore it. Better sleep leads to better mood, focus, and health.

So, if you’re wondering how to support better sleep for your child, remember to understand insomnia in teens and how to manage it the natural way—with empathy, good habits, and expert care when needed.

See all

Live Doctor consultation
Live Doctor Chat

Download Our App & Get Consultation from anywhere.

App Download
call icon for mobile number calling and whatsapp at secondmedic