smooth lax

Polyethylene Glycol 3350 · Powder, For Solution · Oral

Over the counter Osmotic Laxative

Active ingredient

Active ingredient (in each dose) Polyethylene Glycol 3350, 17 g (cap filled to line)

Purpose

Purpose Osmotic Laxative

Uses

Use
• relieves occasional constipation (irregularity)
• generally produces a bowel movement in 1 to 3 days

Warnings

Warnings Allergy alert: Do not use if you are allergic to polyethylene glycol Do not use if you have kidney disease, except under the advice and supervision of a doctor Ask a doctor before use if you have
• nausea, vomiting or abdominal pain
• a sudden change in bowel habits that lasts over 2 weeks
• irritable bowel syndrome Ask a doctor or pharmacist before use if you are taking a prescription drug When using this product you may have loose, watery, more frequent stools Stop use and ask a doctor if
• you have rectal bleeding or your nausea, bloating, cramping or abdominal pain gets worse. These may be signs of a serious condition.
• you get diarrhea
• you need to use a laxative for longer than 1 week If pregnant or breast-feeding, ask a health professional before use. Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center right away (1-800-222-1222).

Do not use

Do not use if you have kidney disease, except under the advice and supervision of a doctor

Ask a doctor before use

Ask a doctor before use if you have
• nausea, vomiting or abdominal pain
• a sudden change in bowel habits that lasts over 2 weeks
• irritable bowel syndrome

Ask a doctor or pharmacist

Ask a doctor or pharmacist before use if you are taking a prescription drug

When using this product

When using this product you may have loose, watery, more frequent stools

Stop use and ask a doctor

Stop use and ask a doctor if
• you have rectal bleeding or your nausea, bloating, cramping or abdominal pain gets worse. These may be signs of a serious condition.
• you get diarrhea
• you need to use a laxative for longer than 1 week

Pregnancy or breast-feeding

If pregnant or breast-feeding, ask a health professional before use.

Keep out of reach of children

Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center right away (1-800-222-1222).

Directions

Directions
• do not take more than directed unless advised by your doctor
• the bottle top is a measuring cap marked to contain 17 grams of powder when filled to the indicated line (white section in cap)
• adults and children 17 years of age and older:
• use once a day
• fill to top of white section in cap which is marked to indicate the correct dose (17 g)
• stir and dissolve in any 4 to 8 ounces of beverage (cold, hot or room temperature) then drink
• do not combine with starch-based thickeners used for difficulty swallowing
• ensure that the powder is fully dissolved before drinking
• do not drink if there are any clumps
• do not use more than 7 days
• children 16 years of age or under: ask a doctor

Other information

Other information
• store at 20˚-25˚C (68˚-77˚F)
• tamper-evident: do not use if printed foil seal under cap is missing, open or broken

Inactive ingredients

Inactive ingredients none

Questions?

Questions or comments?

Label text from the FDA structured product label by Walgreen Company (revised May 8, 2026). Long sections are shortened; the complete label is on DailyMed.

Active ingredients

smooth lax NDC products (1)

NDCStrength & formLabelerType
0363-0306Polyethylene Glycol 3350 17 g/17g
Powder, For Solution
Walgreen CompanyANDA

Frequently asked questions

What is smooth lax used for?

Use • relieves occasional constipation (irregularity) • generally produces a bowel movement in 1 to 3 days

Who makes smooth lax?

smooth lax is listed by 1 labeler in the FDA NDC directory, including Walgreen Company.