A brief constipation episode of having difficulty emptying the large bowel once in a while is normal. However, if you experience infrequent bowel movements or difficult passage of stools that persists for several weeks or longer, it counts as chronic constipation.

There are a lot of medicines for constipation to choose from for immediate constipation relief from chronic constipation. Some are over-the-counter treatments, while others need a doctor’s prescription. 

We have created a comparison list of the best laxative for constipation that you might want to choose from:

1. Dyna Laxative Pill

Dyna laxative pill is constipation tablets that act as a stimulant laxative. It works by increasing the movement of the intestines, helping the stool to come out.

Directions and dosage

Swallow two whole Dyna laxative pills with a glass of water before bedtime, or as recommended by your healthcare provider. Do not chew the tablet, or exceed the prescribed dose. Milk and antacids should not be taken within an hour of taking the medication.

2. Dulcolax Laxative Tablets

You should reach for Dulcolax laxative tablets if you are looking for overnight relief for occasional constipation and bowel irregularity. It is easy to swallow, gentle on your stomach and delivers what you want most when you are having a hard time to pass stool-predictability.

Dulcolax laxative tablets contain the active ingredient bisacodyl that stimulates the bowel muscles to speed up stool movement.

Dulcolax that is consumed orally should produce a bowel movement within 6 to 12 hours.

3. Dulcolax Suppository

Dulcolax suppositories contain a drug called bisacodyl that stimulates the muscles of the large intestines to clear the bowel.

Dulcolax used in the rectum can produce much faster results than the tablets. You should have a bowel movement within 15 minutes to 1 hour after using a rectal suppository.

To use the rectal suppository:

Do not use more than one rectal suppository per day. You should also wash your hands thoroughly before and after handling the suppository.

If you are looking for the best immediate laxative, you should give Dulcolax suppositories a try.

4. Suprep Bowel Prep Kit

A laxative that works by drawing a large amount of water into the colon. This causes watery bowel movements that clear stool from the intestines.

Suprep Bowel Prep Kit   is a sodium/potassium/magnesium sulfate solution that is used to clean out the intestines before a certain bowel exam procedure. 

Watery bowel movements usually begin about 1 hour after you drink the mixed liquid. The bowel movements can be very large and watery.

5. Plenvu

Plenvu is a laxative solution that stimulates bowel movements to clean the bowel before colonoscopy, a barium x-ray, or other intestinal procedures. It also contains minerals to replace electrolytes that are passed from the body in the stool.

Plenvu must be mixed with water into a solution before using it. However, you should not add any flavorings such as sugar, honey, artificial sweetener, fruit juices, or other beverages to it.

You should drink Plenvu in the exact dose at the exact time intervals prescribed by your doctor. 

The first watery stool will appear within 1 hour after you start drinking Plenvu. Keep taking the medicine until you have completed all doses prescribed by your doctor.

6. MoviPrep

MoviPrep is an osmotic laxative for cleansing of the colon as a preparation for colonoscopy. It works by drawing a large amount of water into the colon. This results in watery bowel movements that clear stool from the intestines.

It has a light citrus flavour, similar to that of chewable vitamin C tablets, with a hint of saltiness, due to the added electrolytes.

Moviprep works very quickly, thus make sure you have access to a toilet at all times once you start consuming the product. It begins by making bowel movements looser and more frequent but within an hour or so of taking it, you will likely experience diarrhea.

7. Nophalac

If you are looking for the best syrup for constipation, you should try Nophalac solution. Nophalac belongs to the laxative group of drugs and has lactulose as its main ingredient.

Lactulose is a man-made sugar that breaks down in your large intestine and then draws water into the intestine. This softens your stool, which helps to ease constipation.

To ease constipation, you can take 1–2 tablespoons (or 15–30 mL) once per day or as directed by your physician.

NOTE: The use of this medication to treat constipation is quite unusual. If you’ve tried various therapies and your persistent constipation is caused by a blockage, rectocele (when part of the rectum wall bulges into the vagina), or an anal tear (fissure) or narrowing, your doctor may suggest surgery to remove portion of the colon (stricture). It is rarely necessary to perform a colonoscopy.

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