A thorough investigation into "non-stimulant" constipation medications! Check out their effects, side effects, and recommended over-the-counter options.

Let's start by learning about constipation.

What is constipation?

What constitutes a healthy bowel movement?
Ideally, you'd have a bowel movement every day, with stool that's just the right consistency and easy to pass. Constipation is defined as "a condition in which a sufficient amount of stool that should be expelled cannot be comfortably eliminated."

One guideline for diagnosing constipation is a decrease in bowel movements to once every 3-4 days, but there are no clear criteria as the frequency and condition of bowel movements vary greatly from person to person. Even if you have a bowel movement more than once a day, you may be constipated if your stool is hard, the amount of stool passed is small, or you don't feel relieved after a bowel movement.

Constipation that warrants a visit to a medical institution

Constipation, if mild, can often be improved by reviewing lifestyle habits or taking over-the-counter medications. However, in severe cases of constipation, it may be better to consult a medical professional for treatment.
If, in addition to a decrease in the frequency of bowel movements, you experience severe bloating, abdominal pain, or nausea, you should consult a doctor or other medical professional.

What kinds of laxatives are there?

There are many types of laxatives, but to make things easier to understand, we will classify them into "stimulant laxatives," "non-stimulant laxatives (mechanical laxatives)," and "other laxatives" for explanation.

• Stimulant laxatives

  

  Stimulant laxatives are a type of laxative that acts directly on the large and small intestines to stimulate bowel movements and induce defecation. They are relatively effective and commonly used in over-the-counter medications, making them suitable for people who want to have a bowel movement immediately or elderly people with weakened bowel function.
  However, because it acts directly on the large and small intestines, it is prone to causing abdominal pain as a side effect, so caution is advised. Also, its effectiveness may diminish with frequent use, so long-term use should be avoided.

• Non-stimulant laxatives (mechanical laxatives)

  

  Non-stimulant laxatives are a type of laxative that softens stool by increasing its water content, thereby promoting bowel movements. Because non-stimulant laxatives do not directly stimulate the intestines, their effects are milder, but they are also less likely to cause dependence or abdominal pain, making them easy to use.

• Other laxatives

  

  Other types of laxatives besides stimulant and non-stimulant laxatives include enemas that stimulate or lubricate the intestines to promote bowel movements, and suppositories that stimulate the intestines by generating carbon dioxide.
  In addition, intestinal regulators, which balance the gut bacteria, are medications that can alleviate symptoms such as constipation and diarrhea by gradually improving the intestinal environment.

Classification of non-stimulant laxatives

Non-stimulant laxatives are a type of laxative that softens stool by increasing its water content, thereby promoting bowel movements. Non-stimulant laxatives are classified into the following three categories, so let's take a closer look.

Non-stimulant laxatives

• Osmotic laxatives

  

  Osmotic laxatives are a type of non-stimulant laxative that softens stool by drawing water into the intestines through the action of osmosis. Magnesium oxide, which is classified as a saline laxative and is one type of osmotic laxative, is widely used in hospitals and other medical institutions, as well as in over-the-counter medications.
  Osmotic pressure is the pressure that occurs when water moves from an area of lower concentration to an area of higher concentration. The greater the difference in concentration, the higher the osmotic pressure and the greater the water absorption capacity.

• Bulk-forming laxatives

  

  Bulk-forming laxatives are non-stimulant laxatives that absorb water or moisture in the intestines to increase stool volume and stimulate bowel movements. Examples of laxatives classified as bulk-forming include "carmellose" and "Plantago ovata seed."

• Moisturizing laxatives

  

  Moisturizing laxatives are a type of non-stimulant laxative that reduces the surface tension of the stool, making it easier for water to enter the stool, softening it, and promoting bowel movements.
  An example of a moist laxative is dioctyl sodium sulfosuccinate (DSS), but because its effect is weak, it is almost always combined with other types of laxatives.

​Magnesium oxide is a representative example of a non-stimulant laxative.

What is the non-stimulant laxative "magnesium oxide"?

Magnesium oxide is a long-established and representative non-stimulant laxative, belonging to the saline laxative category of osmotic laxatives. Due to its safety and cost-effectiveness, magnesium oxide is widely used as a first-line treatment for constipation in hospitals and other medical institutions. Furthermore, since magnesium oxide is also available as an over-the-counter medication, it can be taken without visiting a medical institution.

The mechanism by which the non-stimulant laxative "magnesium oxide" works.

One of the causes of constipation is a lack of water in the intestines. Magnesium oxide can address this lack of water through its mechanism.
Magnesium oxide has the ability to absorb water, and when the amount of water in the intestines increases due to osmosis, magnesium oxide absorbs that water, further increasing the water content in the intestines. This causes the stool to soften and expand, which in turn stimulates bowel movements.
Magnesium oxide can be expected to relieve constipation because it promotes bowel movements through activated intestinal motility.

​Characteristics of the non-stimulant laxative "magnesium oxide"

​Side effects of the non-stimulant laxative "magnesium oxide"

​Precautions when using the non-stimulant laxative "magnesium oxide"

For your first laxative, we recommend the non-stimulant laxative "magnesium oxide."

First, review your lifestyle habits.

If you suspect you might be constipated, the first step is to review your lifestyle. Mild constipation can sometimes be improved by changing your lifestyle. Try to implement some of these changes to the extent you can: regulate your daily routine, eat a healthy diet, exercise, manage stress, and don't hold back the urge to defecate.

If your constipation symptoms still don't improve, using a laxative is another option. Find a laxative that suits you from among those prescribed by doctors and other medical institutions, or from over-the-counter medications that you can easily try.

Highly safe magnesium oxide

If you are using an over-the-counter laxative for the first time, magnesium oxide, a non-stimulant laxative, is recommended. Magnesium oxide is less likely to cause addiction and has very few side effects, making it a safe laxative widely used in both prescription and over-the-counter medications.

It is possible to temporarily add a stimulant laxative while continuing to take a non-stimulant laxative such as magnesium oxide. If you wish to use them in this way, please consult your doctor or pharmacist. Be sure to follow the dosage instructions and use magnesium oxide appropriately according to your bowel movements.

Find the right laxative for you and achieve a healthy, regular stomach.

This time, we explained "non-stimulant laxatives," primarily those containing magnesium oxide. If you're wondering which laxative to choose from the many available options, please use this as a reference. While non-stimulant laxatives are generally safe and easy to use, please be sure to keep the precautions in mind when taking them.

Comfortable bowel movements are closely related to our health. Therefore, it's important to understand the methods that work best for you.