According to Mayo Clinic, rectal stimulants like Dulcolax and Pedia-Lax are some of the fastest-acting laxatives. These types of laxatives work by triggering rhythmic contractions in the intestinal muscles. As these cont... More »

The fastest-acting laxative varies depending on the individual, but one fast-acting laxative is the drug bisacodyl when administered as a rectal suppository, according to MedHelp. Dulcolax is an over-the-counter, brand-n... More »

For fast-acting relief, stimulant laxatives are generally recommended, according to WebMD; these include popular brands such as Feen-a-Mint, Ex-Lax, Correctol, Dulcolax and Senokot. Stimulant laxatives have a stimulating... More »

www.reference.com Health Medications & Vitamins

Laxatives are divided into several categories: osmotics, such as Milk of Magnesia or Miralax; bulk-forming, including Metamucil or Benefiber; stool softeners, such as Colace; stimulants, such as Senokot; and rectal stimu... More »

www.reference.com Health Medications & Vitamins

For fast-acting relief, stimulant laxatives are generally recommended, according to WebMD; these include popular brands such as Feen-a-Mint, Ex-Lax, Correctol, Dulcolax and Senokot. Stimulant laxatives have a stimulating... More »

www.reference.com Health Medications & Vitamins

Stimulant laxatives, including medications such as Dulcolax and Ex-Lax, provide nearly instant relief from constipation, according to Medical News Today. Other categories of fast, effective constipation medicines include... More »

www.reference.com Health Medications & Vitamins

Pedia-Lax and Fletcher's are pediatric stool softener brands that are appropriate for children. Pedia-Lax stool softener comes in a variety of fruit flavors, and Fletcher's tastes like root beer. Neither brand requires a... More »