Purelax Side Effects
Generic Name: polyethylene glycol 3350
Note: This page contains side effects data for the generic drug polyethylene glycol 3350. It is possible that some of the dosage forms included below may not apply to the brand name Purelax.
It is possible that some side effects of Purelax may not have been reported. These can be reported to the FDA here. Always consult a healthcare professional for medical advice.
For the Consumer
Applies to polyethylene glycol 3350: powder packets for oral solution, powder for oral solution
Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Seek medical attention right away if any of these SEVERE side effects occur while taking polyethylene glycol 3350 (the active ingredient contained in Purelax)
Cramps; gas; more frequent bowel movements; nausea; stomach pain or bloating.
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); bleeding from the rectum or rectal pain; diarrhea; severe or persistent nausea, bloating, cramping, or stomach pain.
For Healthcare Professionals
Applies to polyethylene glycol 3350: oral powder for reconstitution
Gastrointestinal side effects have included nausea, abdominal bloating, cramping, diarrhea and flatulence.[Ref]
Diarrhea and excessive stool frequency has been reported following high doses. This occurrence has been particularly prevalent in elderly nursing home patients.[Ref]
1. "Product Information. MiraLax (polyethylene glycol 3350)." Braintree Laboratories, Braintree, MA.
More about Purelax (polyethylene glycol 3350)
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