Best Fast Acting Laxative

One of the best fast acting laxative I have found so far is Glycerin Suppository. The advantage of using the Glycerin Suppository is that you can take it anytime without having to follow a specific timetable. People might have a negative perception of suppository but it is very effective in terms of relieving constipation. Glycerin Suppository works by soaking your stool by adding water from your body and acting as a lubricant to push it out of your colon helping you pass a bowel movement easier.

Do Only Fast-Acting Laxatives Exist?

Each year, Americans spend more than $700 million on laxatives. Some of these laxatives, as we’ve mentioned above, can result in long-term health issues. The best course of action for anyone experiencing constipation is a change in diet. Consume more fruit, fiber, and liquids. Discuss a potential adjustment with your doctor if a drug is the source of your constipation. Some medications make patients dependent on laxatives for relief. Laxatives offer short-term comfort, but they frequently fail to solve the underlying issue. To avoid becoming reliant on these laxatives, you should only use them when necessary.

Best Fast Acting Laxative Reviews

1. MiraLAX Laxative Powder for Gentle Constipation Relief

Item Weight26.9 Ounces
Item Dimensions LxWxH5.38 x 3.7 x 6.96 inches
Product BenefitsHydrating,Softening
Specific Uses For ProductConstipation Relief

MiraLAX is a laxative, providing effective and predictable relief for occasional constipation. MiraLAX is clinically proven to relieve occasional constipation and soften stool without causing harsh side effects such as sudden urgency, cramping, bloating, and gas. MiraLAX powder dissolves completely in water or any hot or cold beverage of your choice with no added taste or grit.

Works with the water in your body to hydrate, soften, and ease to unblock your system naturally. Use as directed for occasional constipation. Warnings – Allergy alert: Do not use if you are allergic to polyethylene glycol. Do not use it if you have kidney disease, except under the advice and supervision of a doctor Covered by the Bayer HealthCare – Consumer Health 60-Day Satisfaction Guarantee.

2. ex-lax Regular Strength Chocolated Stimulant Laxative Constipation Relief Pills for Occasional Constipation

Item Dimensions LxWxH3.3 x 0.7 x 3.15 inches
Product BenefitsConstipation Control
Active Ingredients(in each piece) Sennosides, USP, 15 mg – Stimulant laxative
Number of Items1

ex-lax Regular Strength Chocolated Stimulant Laxative Constipation Relief Pills are chocolate laxatives that provide dependable relief of occasional constipation. These sennosides laxative pieces work gently to effectively produce a bowel movement in 6 to 12 hours. These gentle laxatives for constipation come in convenient and delicious chocolate pieces that are easy to take with no mixing and no mess.

Each chocolate laxative tablet contains 15 mg sennosides and 10 mg potassium. Adults and children 12 years and older may chew two pieces once or twice daily, and children ages 6 to 11 years may chew one piece once or twice daily. Use ex-lax stimulant laxatives for no longer than 7 days and for no other purpose than the relief of occasional constipation, unless directed otherwise by a doctor. Trust ex-lax for guaranteed relief every time.

Ex-Lax Regular Strength Stimulant Laxative Chocolated Pieces

Active Ingredient (in each piece): Sennosides, USP, 15 mg

Purpose: Stimulant laxative.

Uses: Relieves occasional constipation (irregularity), Generally produces bowel movement in 6 to 12 hours.

Do not use laxative products when abdominal pain, nausea, or vomiting are present unless directed by a doctor.

Ask a doctor before use if you have: Noticed a sudden change in bowel habits that persists over a period of 2 weeks.

3. Dulcolax Laxative 25 Tablets

Special FeatureUse: for relief of occasional constipation and irregularity; this product generally produces a bowel movement in 6 to 12 hours: for relief of occasional constipation and irregularity; this product generally produces a bowel movement in 6 to 12 hours See more
Item Dimensions LxWxH2 x 2 x 2 inches
Product BenefitsRelief Of Occasional
Specific Uses For ProductConstipation Relief

Dulcolax Tablets are convenient to use overnight, or whenever you need effective relief from constipation.
25 Comfort Coated Tablets (5mg each).
For temporary relief of occasional constipation and irregularity.

  • Product Dimensions ‏ : ‎ 2 x 2 x 2 inches; 0.18 Ounces
  • Item model number ‏ : ‎ 388841
  • Date First Available ‏ : ‎ November 12, 2014
  • Manufacturer ‏ : ‎ Dulcolax
  • ASIN ‏ : ‎ B00EEEJLUI

4. Phillips’ Laxative Magnesium Caplets

Item Dimensions LxWxH3 x 2.3 x 4.38 inches
Product BenefitsDigestive Health
Specific Uses For ProductConstipation
Number of Items1

Get soothing, gentle relief from occasional constipation with Phillips’ Laxative Caplets. Phillips’ Laxative Caplets are a convenient, easy-to-swallow laxative supplement that works with the body’s natural process to gently relieve occasional constipation.* Formulated with Magnesium Oxide, Phillips’ Laxative Caplets offer gradual, cramp-free, gentle relief of occasional constipation.

Does not contain harsh stimulants, helping you get back to regular with comfortable relief. Phillips has over 140 years of trusted digestive health expertise. This product ships as one 100-count box. This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. covered by the Bayer HealthCare – Consumer Health 60-Day Satisfaction Guarantee.

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 3 x 2.3 x 4.38 inches; 5.61 Ounces
  • Item model number ‏ : ‎ 52675
  • Date First Available ‏ : ‎ October 22, 2009
  • Manufacturer ‏ : ‎ Phillips’
  • ASIN ‏ : ‎ B001KYVL08

5. Fleet Laxative Saline Enema for Adult Constipation

Special FeatureLatex-free
Item Weight0.46 Pounds
Item Dimensions LxWxH3.8 x 3.8 x 7.3 inches
Product BenefitsConstipation Control

Help alleviate occasional adult constipation with Fleet Saline Enemas. They feature a soft, pre-lubricated Comfort for easy insertion and have 25% more lubrication for maximum comfort, making it a practical choice to help relieve occasional constipation or prior to colonoscopies and other rectal exams. Fleet Saline Enemas are a saline laxative that provides reliable relief from adult occasional constipation.

Containing a protective shield that prevents contamination, latex-free Fleet Saline Enemas are safe to use when used as directed. Made by the #1 doctor-recommended rectal laxative brand*, Fleet Saline Enemas provide fast, predictable relief in minutes. *ProVoice data 02.1.18 to 01.31.19.

Laxatives with emollience

The kind of laxative that is easy on your body are emollient laxatives, often known as stool softeners. Although it doesn’t have the quickest acting laxatives, it has some of the fewest negative effects of any laxative. Stool softeners add moisture to the stool and ease passing rather than causing you to urinate right away. To avoid constipation, it is generally better to take stool softeners. If you frequently experience constipation, are expecting, or need to relieve tension when defecating, stool softeners are appropriate for you.

Emollient laxatives’ side effects

When used alone, stools softeners are safe, but you should exercise caution when combining them with other laxatives. Stool softeners may increase the likelihood that you will absorb hazardous compounds from other laxatives into your body.

Large-Scale Laxatives

Additionally reasonably safe, bulk-forming laxatives are significantly superior to stool softeners at relieving constipation. These laxatives don’t work as quickly as some of the alternatives listed, but they do work quicker than stool softeners and are safer. Bulk-forming laxatives provide as an additional source of fiber. They are made by professionals from both natural and synthetic materials, and both are equally effective. These laxatives make the feces bigger, signaling to your body that it’s time to use the restroom. These should start working within a day to three days.

Effects of Laxatives that Form Bulk

Bulk-forming laxatives have generally mild side effects. These frequently cause bloating, discomfort, and gas. On these laxatives, be sure to drink plenty of water because they have a tendency to make you retain water.

Liquid laxatives

Stool softeners and lubricant laxatives both function similarly. The distinction is that these laxatives coat the gut wall with mineral oil rather than concentrating on the stool. This will ease bowel movements and require less effort on your part. Similar to stool softeners, this substance also encourages defecation, though more so than stool softeners. Lubricant stimulants should start to function within one to five days.

Laxatives with Lubricant Side Effects

While stool softeners are safer for long-term usage than lubricating laxatives, the latter are more similar to fast-acting laxatives. After continuous use, your body will absorb the mineral oil at a hazardous pace. If necessary, use them for a little while before switching back to stool softeners. Additionally, older users have the risk of fluid leakage into the lungs. We advise against using these laxatives right before bed if you are old in order to avoid this negative effect.

Laxatives with salt

Saline laxatives are among the fastest-acting laxatives on the market and are significantly more effective than the alternatives discussed above. These laxatives soften the user’s feces by introducing water into the intestines. Due to the increased pressure from the added water, feces will almost certainly occur right away. After consuming a saline laxative with water or juice, you should anticipate going to the bathroom in about a half hour.

Saline laxative side effects

We advise you to take saline laxatives sparingly due to their strong laxative effects. If you use these laxatives too frequently, the chemicals in them may harm your health. When constipation is at its worst, it is preferable to take a saline laxative before using stool softeners or a better diet to prevent it in the future. Consequences can include diarrhea, gas, cramps, and nausea. Before using saline laxatives, elderly users should visit their doctor because they are particularly prone to these side effects.

energizing laxatives

Stimulant laxatives operate similarly whether you take them orally or as a suppository. Suppository laxatives operate more quickly than oral stimulant laxatives, which might take up to eight hours to start working. Stimulant laxatives come in a variety of forms, but they all affect your body in a similar way. All three are potent, quick-acting laxatives that should only be used temporarily:

  • Bisacodyl
  • Citrus Oil
  • Cascara, Casanthranol, and Senna

These laxatives increase intestinal contractions and make your feces more fluid.

Laxative Stimulant Side Effects

Stimulant laxatives have a number of adverse effects that make them risky for prolonged use. These laxatives should only be used in an emergency because prolonged use can lead to dependence. Additionally, stimulant laxatives can cause rashes, an erratic heartbeat, colored feces and urine, and muscle cramps in their users. Only short-term last resorts should consider using stimulant laxatives. It is very important to see your doctor before using stimulant laxatives.


Finally, remember that, since each person is unique, some people may react to natural laxatives differently than others. In general, the best fast acting laxative is the one that you find works for you. If you need more information about natural laxatives or how to go about selecting the best fast acting laxative for you, please consult with your doctor to ensure that it is safe for you and for your specific condition.

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