Medicines That Can Trigger Constipation — and What You Can Do About It

A number of widespread drug lessons are recognized to gradual the digestive tract or in any other case make common bowel actions tougher, says Dr. Benson.

Opioid Ache Relievers

Opioids are prescription ache relievers used for average to extreme ache. Examples embody oxycodone, hydrocodone, morphine, and fentanyl. “Opioids are in all probability the commonest prescription medicines that trigger constipation,” says Benson.

This impact occurs as a result of the identical opioid receptors these medicine act on to scale back ache are additionally discovered within the digestive tract, he says. “When these receptors are blocked within the GI system, it decreases motility,” or the motion of stool by means of the intestines, says Benson.

Blood Strain Medicines

Calcium channel blockers are used to decrease blood strain. Verapamil is one that may be notably constipating, says Benson.

“Calcium channel blockers lower calcium entry into a few of the clean muscle cells of the GI tract, and consequently, they lower colonic motility,” he says. In different phrases, they’ll gradual the contractions that push stool by means of the colon.

Antidepressants

Some, however not all, sorts of antidepressants can affect the digestive tract. Tricyclic antidepressants equivalent to amitriptyline and nortriptyline can generally gradual the motion of stool by means of the digestive tract, says Benson. Constipation may happen with selective serotonin reuptake inhibitors (SSRIs) equivalent to escitalopram (Lexapro) and sertraline (Zoloft), though it’s much less widespread than with tricyclics, he says.

Anticholinergics for Overactive Bladder and Different Issues

Anticholinergic medicine deal with situations together with overactive bladder and a few neurologic or gastrointestinal issues.

“These medicines block a chemical referred to as acetylcholine, and acetylcholine helps with intestine motility. For those who block that, it decreases intestine motility, which results in constipation,” says Benson.

Oxybutynin, a medicine for overactive bladder, is one instance of an anticholinergic that may trigger constipation, says Sarah Rhodes, PharmD, an assistant professor of medical science in Excessive Level College’s Fred Wilson Faculty of Pharmacy in North Carolina.

Ondansetron (Zofran) for Nausea and Vomiting

“If it’s prescribed often, it will possibly result in constipation as a result of it decreases motility,” Benson says.

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