Constipation may resolve on its own without the need for prescription treatment. However, laxatives can improve symptoms in the short term. It is best to take laxatives for no more than a week at a time. If a person needs to use laxatives for more than a week, it is possible that they may need to treat an underlying condition that is causing constipation. A pharmacist can recommend over-the-counter laxatives. Types of laxatives includeTrusted Source: fiber supplements such as Citrucel and FiberCon stool softeners such as Docusate and Colace stimulants such as Dulcolax and Correctol osmotic agents such as Miralax and Milk of Magnesia lubricants such as mineral oil Learn more about laxatives for constipation. Other treatment options If constipation does not respond to laxatives, a doctor may suggest an abdominal imaging test or colonoscopy to see if an underlying condition is causing a blockage. If there is, a person may need specific prescription medications or surgery to resolve it. Depending on the test results and the person’s response to medical or surgical therapy, they may also need further treatment.