Fastest Laxatives: Immediate Relief For Constipation

Laxatives are a group of medications used to treat constipation and are available in many different over-the-counter brand-name and generic products. The fastest-acting laxatives include enemas, suppositories, and oral stimulant laxatives. Enemas are the fastest-acting solution, with sodium phosphate, mineral oil, and docusate enemas taking effect in as little as 2 to 15 minutes. Bisacodyl suppositories are also fast-acting, typically stimulating a bowel movement in 15 to 60 minutes. Oral laxatives such as saline laxatives and stimulant laxatives like senna tablets can provide relief in less than 12 hours. While these fast-acting laxatives provide quick relief, they may also cause side effects such as stomach cramps and diarrhoea.

Enemas: the fastest-acting solution, but can be uncomfortable to administer

Enemas are the fastest-acting solution for constipation, but they can be uncomfortable to administer. They are inserted rectally and can cause stomach cramping and diarrhoea. They may also cause rectal irritation, and many people find them more difficult or uncomfortable to use than oral medication.

Enemas are available as mineral oil or saline solutions. Saline enemas are not recommended for people with heart or kidney problems, or those limiting their sodium intake. Mineral oil enemas can be dangerous for people with difficulty swallowing, as there is a risk of aspiration pneumonia if the oil is inhaled into the lungs.

Suppositories are another type of rectal laxative. Bisacodyl suppositories are fast-acting, usually resulting in a bowel movement within 15 to 60 minutes. However, they can be uncomfortable to insert and may cause similar side effects to enemas, including stomach cramps, diarrhoea, and rectal irritation.

While enemas and suppositories are the fastest-acting laxatives, they can also have more side effects than oral laxatives. It is important to follow the instructions on the package and not to overuse these products, as this can lead to laxative dependence and other health issues.

Saline laxatives: powerful, fast-acting, but not recommended for long-term use

Saline laxatives are a type of osmotic laxative that pulls water into the intestines using mineral salts like magnesium citrate or magnesium oxide. They are useful for short-term constipation, providing quick relief. However, they are not suitable for everyone and should not be used for extended periods.

Saline laxatives are fast-acting and can produce a bowel movement within 30 minutes to six hours. This makes them a good option for those seeking rapid relief from constipation. They are also available in different forms, such as soft chews, suppositories, and tablets, making them convenient to use.

However, it is important to note that saline laxatives are not suitable for everyone. For example, individuals taking medication to lower sodium levels or other mineral-based drugs should avoid them. Additionally, using saline laxatives for extended periods can lead to dehydration and cause an imbalance in other minerals. Therefore, it is recommended to consult a healthcare professional before using saline laxatives to ensure they are the right choice for your specific needs.

Furthermore, laxatives should generally be used only as a temporary solution for constipation. Overuse or frequent use of laxatives can lead to ongoing constipation and laxative dependence. It is always advisable to consult a healthcare professional if you are experiencing constipation to determine the most suitable treatment option for your condition.

Stimulant laxatives: fast-acting, but can cause dependence and other side effects

Stimulant laxatives are one of the fastest-acting types of laxatives available. They work by stimulating the intestines to contract and push out stool, and they can be effective in treating constipation. However, it's important to note that stimulant laxatives can also cause dependence and other side effects.

Stimulant laxatives typically contain either senna (also known as sennosides) or bisacodyl as the active ingredient. They are available in various forms, such as liquids, powders, chewables, tablets, and suppositories, and can be purchased under different brand names like Senexon, Fletcher's Castoria, Senokot, and Dulcolax.

While stimulant laxatives can provide fast relief from constipation, they are not recommended for regular or long-term use. Prolonged use can lead to laxative dependence, where the body becomes reliant on the laxative to have a bowel movement. Overuse of stimulant laxatives may result in side effects such as diarrhoea, abdominal pain, decreased weight, weakness, and rectal bleeding.

It is crucial to follow the directions on the label and not exceed the recommended dosage or duration of use. If you experience any side effects or have concerns, consult your doctor or healthcare provider. They will advise you on the appropriate use of stimulant laxatives and assess whether they are suitable for your specific situation.

In addition to stimulant laxatives, there are other types of laxatives available, such as osmotic, bulk-forming, stool softeners, and lubricants. Each type has its own mechanism of action, and a healthcare professional can recommend the most suitable option based on individual needs and considerations.

Rectal suppositories: stimulate a bowel movement in about 30 minutes

Rectal suppositories are one of the quickest ways to get constipation relief. These suppositories are solid, bullet-shaped laxatives that are inserted into the rectum. They are a good option for people who have difficulty swallowing. Rectal suppositories are also available for both adults and children aged two and above.

Bisacodyl is a common active ingredient in rectal suppositories. It is a stimulant laxative that works by increasing the amount of fluid and salts in the intestines, stimulating a bowel movement in 15 to 60 minutes.

To use a rectal suppository, first, wash your hands. If the suppository is too soft, chill it in the refrigerator for 30 minutes or run cold water over it. You can also moisten it with lukewarm water, but do not use petroleum jelly or mineral oil as this may affect its effectiveness. Then, lie on your left side with your right knee slightly bent and gently insert the suppository, pointed end first, towards the navel and well up into the rectum. After insertion, stay in this position for 15 to 20 minutes, or until you feel a strong urge to have a bowel movement.

Rectal suppositories can cause side effects such as rectal irritation, burning, or itching, mild abdominal discomfort or cramps, and nausea. If you experience any of these side effects, consult your doctor or pharmacist. Rectal suppositories can also be dangerous if accidentally swallowed, so it is important to store them securely and out of the reach of children.

Stool softeners: one of the slowest-acting forms of laxative, but also one of the safest

Stool softeners are a type of laxative, but not all laxatives are stool softeners. Laxatives are any medicine that encourages the body to have a bowel movement. Stool softeners are a type of emollient or surfactant laxative that works by gently lubricating the stool. They add a compound to the stool that absorbs water, making it softer and easier to pass. The active ingredients in stool softeners are typically docusate sodium and docusate calcium. They are considered gentle medications with a relatively mild effect and are useful when a person experiences temporary, mild, or chronic constipation.

Stool softeners are often recommended for people who should avoid straining during bowel movements due to health reasons. For example, they may be prescribed after major surgeries such as heart surgery or hernia repair. They can also be helpful for people with heart conditions or recent medical procedures. By taking a stool softener, individuals can avoid straining, which could lead to complications during recovery.

Stool softeners can be taken orally or rectally in the form of pills, syrup, liquid, or enema. The best time to take them is usually at bedtime, following the directions on the packaging or as instructed by a healthcare provider. It is important to note that they should only be taken when needed and not for more than one week without consulting a doctor.

While stool softeners are generally considered safe, they may cause side effects such as stomach pain, nausea, and diarrhoea. Throat irritation may occur with oral stool softeners. If side effects become severe or persistent, it is recommended to consult a healthcare professional.

Compared to other types of laxatives, such as saline or stimulant laxatives, stool softeners are considered a slower-acting form of relief. They may take between 12 to 72 hours to start working, while saline laxatives can provide relief in as little as 30 minutes to 6 hours. Stimulant laxatives, on the other hand, can offer medium relief, usually taking 6 to 12 hours to take effect.

Frequently asked questions