Dulcolax
Magnesium hydroxide · Liquid · Oral
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
Inactive ingredients
Inactive ingredients none
Questions?
Questions or comments ? 1- 866-844-2798
Label text from the FDA structured product label by Chattem, Inc. (revised Sep 30, 2025). Long sections are shortened; the complete label is on DailyMed.
Active ingredients
- Polyethylene Glycol 3350 in 1 product
- Magnesium Hydroxide in 1 product
Dulcolax NDC products (2)
| NDC | Strength & form | Labeler | Type |
|---|---|---|---|
| 41167-0223 | Polyethylene Glycol 3350 17 g/17g Powder | Chattem, Inc. | ANDA |
| 41167-0291 | Magnesium Hydroxide 1200 mg/15mL Liquid | Chattem, Inc. | OTC MONOGRAPH DRUG |
Frequently asked questions
What is Dulcolax used for?
Use relieves occasional constipation (irregularity) generally produces a bowel movement in 1 to 3 days
Who makes Dulcolax?
Dulcolax is listed by 1 labeler in the FDA NDC directory, including Chattem, Inc..