Metformin Makes Me Tired – All You Need To Know!

Recently you have taken metformin and you started to feel tired. You are wondering why you are feeling tired all of a sudden. You had sufficient rest yesterday but you still want to rest.

So, does metformin makes me tired?

Yes, metformin can make you feel tired. After you have been using this drug for some time, this can occur. Long-term usage of metformin may result in vitamin B12 insufficiency. Megaloblastic anemia develops as a result of vitamin B12 deficiency. When this happens, you tend to feel tired.

That was just a small part of the whole article and you still might be confused. This article is perfect for you if you wish to discover more about this matter.

What Is Metformin?

Metformin is used in conjunction with a good diet and exercise to manage high blood sugar. Patients with type 2 diabetes use it. 

Keeping blood sugar levels under control helps avoid kidney disease, blindness, and nerve damage. It also helps you control limb loss, and issues with sexual function.

Your chance of having a heart attack or stroke is reduced if your diabetes is well controlled. Metformin works by assisting in restoring your body’s appropriate reaction to the insulin that you make. 

Additionally, it reduces how much sugar your liver produces. It also controls how much sugar your stomach and intestines absorb.

Does It Make You Tired?

Yes, metformin can make you tired. After you’ve been using this drug for a while, this may occur. After taking metformin for a while, it can cause vitamin B12 deficiency. Due to a lack of vitamin B12, megaloblastic anemia happens.

Multiple factors might contribute to a vitamin B12 deficiency. In this specific instance, metformin usage over an extended period of time is to blame for this. Sometimes, metformin is used as a diabetic drug. So a lot of times diabetic people get anemia.

When you face vitamin B12 deficiency, there are certain symptoms you see. These symptoms are:

  • Feeling very tired
  • Have a sore tongue
  • Having problems with eyesight
  • Muscle weakness
  • Having ulcers in the mouth
  • Pale and yellow skin

Your blood levels of vitamin B12 can be checked by your doctor. If they are excessively low, they can suggest taking supplements with B12.

What Are Metformin Side Effects?

Anemia is not the only side effect of metformin. There are multiple side effects of metformin that can happen to a lot of people. These side effects are:

  • Nausea or sick feeling
  • Vomiting
  • Stomach ache
  • Diarrhea
  • Lack of appetite
  • Metallic taste in the mouth

When used alone, metformin normally does not result in low blood sugar. However, hypos can occur if metformin is taken together with other diabetic medications. The warning of low blood sugar are:

  • Hungry feeling
  • Having trouble concentrating
  • Sweating a lot
  • Confusion
  • Trembling

You can use clumpy creatine in case you have high blood sugar. It will help you decrease it.

While you’re sleeping, it’s also possible for your blood sugar to drop too low. If this occurs, you could feel fatigued and disoriented when you wake up. Low blood sugar can happen when:

  • Too much diabetes med is taken
  • Skipping meals
  • Fasting
  • Eating unhealthy
  • Drinking alcohol
  • Liver or kidney problems (hypothyroidism)
  • Having any kind of hormone disorder

It’s crucial to consume regular meals, especially breakfast, to avoid hypoglycemia. Don’t skip or put off eating.

Keep a quick-acting carbohydrate on you at all times. In case your blood sugar level drops, have something like sugar cubes, fruit juice, or some sweets. Artificial sweeteners are ineffective.

You can also keep your sugar level in check with some amazing products.

GlucofreezeFor keeping your blood sugar at a healthy level. 
Gluco Shield ProFor maintaining a healthy blood sugar level.

Severe fatigue and rapid or shallow breathing might give you the impression that something is wrong. A sluggish pulse and coldness were also present. At this time, the whites of your eyes or skin can turn yellow. This may indicate liver issues.

What Are The Possible Interactions?

Drug interactions might alter how your drugs function or raise the possibility of major negative side effects. Keep track of everything you use. Provide your doctor and pharmacist with a copy of the list. 

Never begin, discontinue, or alter the dosage of any drugs without your doctor’s approval.

Beta-blocker drugs may stop the racing pulse you often experience when your blood sugar drops low. These medications have little effect on other low blood sugar symptoms including weakness, hunger, or sweating. 

Also, try not to take metformin while you are on a long cycle.

Numerous medications might alter your blood sugar, making it more difficult to manage. Before starting, stopping, or changing the dosage of any medicine, consult your doctor or pharmacist. As directed, monitor your blood sugar levels periodically, and report the findings to your doctor.

blood sugar

Call your doctor right away if you encounter symptoms of high or low blood sugar. Your doctor can decide to adjust your diabetes medication, exercise program, or nutrition.

How Often Should You Consume Metformin?

Metformin ER is often only taken once per day. Both liquid metformin and metformin IR are often taken several times daily. How frequently you take metformin depends on how your body reacts to it once you start it.

The efficacy of the drug metformin might be lowered if you don’t take it as prescribed.

Try to take metformin every day at around the same time(s). If you forget to take a dose, take it as soon as you remember. However, when it is nearly time for your next dose, omit the daily dosage you missed. Never double up on a dose to make it up for a missed one.

Who Should Avoid Metformin?

Like other medications, metformin may not be the best option for every patient. Metformin’s side effects can be pretty dangerous for certain people. They should never use this medication. The following individuals:

  • People with stage 5 kidney disease
  • People with Type 1 diabetes
  • People with liver problems
  • Adults who have prediabetes
  • Those who suffer from diabetic ketoacidosis

Your doctor will decide if metformin is the best treatment option for you. Any worries about taking this drug should be discussed with your doctor.

What Are The Possible Precautions?

There’s a potential that metformin will make you feel unwell. Before using this medication, discuss your allergies with a doctor. It’s possible that this product has inactive components. Your other issues may develop allergies as a result of this.

Before using this medication, discuss with your physician about your medical history. Particularly severe liver, renal, and blood disorders as well as respiratory issues.

Before having any X-rays or surgery, be sure to tell your doctor or dentist everything you ingest. You might have to temporarily stop taking this medication before the procedure. Before your operation, ask your doctor or dentist for instructions.

Avoid drinking too much alcohol before taking this medicine. Either it might increase the chance of developing low blood sugar. When your body is under stress, controlling your blood sugar could be more difficult. 

Consult your doctor because more stress can need modifying your prescription and treatment regimen.

Only the use of this medication during pregnancy should be strictly essential. Describe to your doctor the benefits and drawbacks. During your pregnancy, your doctor could advise you to take insulin rather than this product.


What Are The Foods To Avoid While Taking Metformin?

While using metformin, there are several items you should avoid. Any item with a lot of fat needs to be avoided. Foods heavy in fiber, salt, and simple or processed carbohydrates should all be avoided. The patient should never drink alcohol. Alcohol increases the chance of low blood glucose.

What Are The Metformin Urine Side Effects?

Pyelonephritis and urosepsis are two urinary tract infections that this medication may make more likely. Consult your doctor as soon as you can if your urine is crimson or cloudy. Watch out for side or lower back discomfort, burning, or painful urination.

How to stop metformin diarrhea?

It has been demonstrated that taking Metformin with meals lowers the risk of diarrhea. When taking it, concentrate on a meal or snack with more protein. Metformin should never be taken empty-handed. Taking metformin after supper is the best option because it’s typically tolerated better in the evening.

What Are The Signs Metformin Is Working?

After taking metformin for 2 days, you will see a reduction in blood glucose levels. This will last for 4-5 days. Within three months, a metformin dosage of 1000 mg lowers an A1C level by up to 2%. Hemoglobin A1C is a 3-month average blood glucose level.

What Are The Signs Metformin Is Not Working?

Blood sugar spikes might be the first indication that metformin is no longer functioning. You can also show signs of hyperglycemia. These signs include increased appetite or thirst, exhaustion, and blurred vision.


Now we know why metformin makes me tired. There are health-related benefits of metformin. But there is also more than one side effect. Therefore, when using this particular medicine, we should use caution.

Just remember to consult your doctor before using this drug. I hope this article was good enough to answer your questions.

Have a nice day!

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