Glycolax

(polyethylene glycol)

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Helps get things moving.

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Our bottom line

Glycolax (polyethylene glycol) provides good relief of constipation without causing cramps or the urge “to go right away". It usually takes about 1 to 3 days to have a bowel movement after taking it.

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Quick facts about Glycolax
  • Drug class: Gastrointestinal
  • Rx status:
  • Generic status: Lower-cost generic available (polyethylene glycol)

Upsides

  • Glycolax (polyethylene glycol) works well and is often recommended as one of the first treatments for constipation.
  • It’s available as a generic and over-the-counter.
  • Glycolax (polyethylene glycol) doesn’t cause as much cramping and bloating as other types of laxatives, and it won't make you feel like you "have to go right away".
  • Glycolax (polyethylene glycol) doesn't have any flavor and can be mixed with any liquid.
  • Glycolax (polyethylene glycol) also comes in single dose packets that don't require any measuring.
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What to expect from Glycolax, on one page

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Downsides

  • Glycolax (polyethylene glycol) doesn’t work right away like other types of laxatives. It can take about 1 to 3 days to have a bowel movement.
  • Glycolax (polyethylene glycol) shouldn’t be used for more than 1 week, so you might need to ask your doctor for other types of laxatives if it isn't working for you.
  • You have to measure out the powder and dissolve it in a beverage and drink it, rather than just taking a pill.
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How it works

Glycolax (polyethylene glycol) is an osmotic laxative. It helps your body keep more water in your intestines, which makes your stool softer and thus easier to pass.

Quick facts about Glycolax
  • Drug class: Gastrointestinal
  • Rx status:
  • Generic status: Lower-cost generic available (polyethylene glycol)

Used for

Dosage forms

  • Powder
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Prices and coupons

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What to expect when you take Glycolax (polyethylene glycol) for Constipation

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  • Effectiveness
  • Full effects
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  • Possible side effects
  • Nausea
  • Stomach upset
  • Allergic reaction
  • Bloating and gas
  • Diarrhea
  • Stomach cramping
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Side effect rates for Glycolax (polyethylene glycol)

Risks and Warnings for Glycolax (polyethylene glycol)

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    • Higher risk if:
    • Taking with medicines that cause electrolyte imbalance
    • Age 60 or older

    Taking too much Glycolax (polyethylene glycol) or taking it for too long can cause changes in your body's electrolytes, like sodium and potassium. Electrolytes help your body function properly. This is more likely to happen if you're also taking medicines that change the amount of electrolytes in your body. Drink plenty of liquids and eat a healthy diet while taking Glycolax (polyethylene glycol). Talk to your doctor or pharmacist if you've been taking Glycolax (polyethylene glycol) for more than 7 to 14 days and you haven't noticed any changes in your bowel movements.

Common concerns from people taking Glycolax (polyethylene glycol)

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Pain
  • Talk to your doctor before taking this medication if you have nausea, vomiting, belly pain, a sudden change in your bowel movements lasting more than 2 weeks, or irritable bowel syndrome.
  • If you get belly pain, upset stomach, bloating, diarrhea, or rectal bleeding, stop using this medicine and talk to your doctor right away.
Weight
  • Glycolax (polyethylene glycol) doesn’t cause as much cramping and bloating as other types of laxatives, and it won't make you feel like you "have to go right away".