


Phalax Laxative
Written By Dr. Swati Mishra, BDS,
Reviewed By Dr. Mekhala Chandra, MD, MBBS,
Last updated on 20 Jan 2026 | 11:44 PM (IST)



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General Information



Product introduction
Phalax Laxative should be taken in a dose as advised by your doctor. Take it at a fixed time at night. You should not use this medicine for more than a few days unless your doctor tells you to. Some lifestyle changes can help with constipation, for example, eating more fiber in foods such as fruit, vegetables, and cereals, drinking plenty of fluids, and taking regular exercise.
The most common side effects of taking this medicine are nausea, vomiting, hypermagnesemia, dizziness, and headache. These are usually mild and go away after a couple of days. If they persist, your doctor may suggest ways of preventing or reducing them.
Before using this medicine, you should tell your doctor if you have a blockage in your bowel, an upset stomach, or if your bowel movements have been different for more than two weeks.
Uses of Phalax Syrup
Benefits of Phalax Syrup
Constipation can cause pain, bloating, and discomfort, and relieving it can help improve daily comfort and overall quality of life. Phalax Laxative is a laxative that helps make bowel movements easier by improving stool passage and relieving discomfort caused by hard or infrequent stools. Along with treatment, drinking enough water and eating fiber-rich foods such as fruits and vegetables may help prevent constipation from coming back.
Side effects of Phalax Syrup
- Abdominal discomfort
- Diarrhea
- Abdominal cramp
- Headache
- Increased magnesium level in blood
- Dizziness
- Abdominal pain
How to use Phalax Syrup
How Phalax Syrup works
All substitutes for Phalax Laxative
Pictas 5mg Syrup
Picrid Syrup
Picolix 5mg Syrup
Soften 5mg Syrup
Fayosoft 5mg Syrup
Quick tips
- Together with Phalax Laxative, taking a fiber-rich diet containing whole grain bread and cereals, bran, fruits, and green leafy vegetables is essential to maintain healthy bowel function.
- Avoid taking a Phalax Laxative for more than 1 week, unless prescribed by the doctor, as it leads to dependency on the laxative action to produce a bowel movement.
- Take Phalax Laxative after 2 hours from other medicines, as it may interfere with the absorption of other medicines.
- Phalax Laxative should preferably be taken at bedtime because it requires 6 to 8 hours to show impact.
Safety advice

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Frequently asked questions
Fact Box
Chemical Class
Habit Forming
Therapeutic Class
Action Class
References
- Sodium Picosulfate [EMC SmPC]. Guildford, Surrey: Sanofi; 2005 2017. [Accessed 27 Mar 2019] (online) Available from:
- Sodium Picosulfate [Summary of Product Characteristics]. Kent, UK: Kent Pharma UK Limited; 2023.




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