About ConstipationConstipation means passing stools less often than usual, or hard stools that are difficult to pass. It is commonly linked to low fibre, too little water, inactivity, pregnancy and some medicines.Symptoms include straining, a feeling of incomplete emptying, bloating and abdominal discomfort.Medicines used for ConstipationMore fibre, fruit, vegetables and water, plus regular activity, often solve the problem. Laxatives such as lactulose, ispaghula husk or macrogol can be used short term, and are safe for many children and in pregnancy when advised.When to see a doctorSee a doctor if constipation is new and lasting, or comes with blood in the stool, weight loss, severe pain or vomiting.This page is for general information only. Many of these medicines need a prescription; please use them only on the advice of a doctor or pharmacist, who can choose the right medicine and dose for you.