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Product details
- Generic
- Lactulose
- Therapeutic area
- Gastrointestinal & hepatology
- Drug class
- Laxatives
- ATC
- A06
- Strength
- 3.35 mg/5 mL
- Dosage form
- Oral liquid
- Pack
- 60 ml
- Registration no.
- 085203
- Price record verified
- 2026-08-09
- Latest DRAP source check
- 2026-11-15 03:06
Manufacturer
Next Pharmaceutical Products (Pvt.) Ltd
Explore this manufacturer's complete MedInfoBase portfolio, generics and current listed prices.
View company portfolio →What Factosil (Lactulose) is used for
Lactulose is a laxative, a medicine that helps you pass stools (poo). It is a man-made sugar that comes as a sweet syrup or liquid to swallow. Very little of it is absorbed into the body. Instead, it is broken down in the bowel into substances that draw water in, which softens the stools and makes them easier to pass. This type is called an osmotic laxative. In people with severe liver disease, it also helps remove toxins such as ammonia from the blood through the bowel. It can be bought from pharmacies and is also prescribed by doctors.
- Constipation (passing stools less often, or stools that are hard and dry)
- Constipation after surgery, as it is gentler on the gut than some other laxatives
- Hepatic encephalopathy: confusion, shaking, sleepiness or coma caused by severe liver disease, where it helps clear toxins that build up when the liver is failing. This use is under a doctor's care.
Get medical help straight away if
- Call an ambulance or go to the emergency department for signs of a severe allergic reaction: swelling of the lips, mouth, tongue or throat, wheezing or struggling to breathe, a tight throat, skin or lips turning blue, grey or pale, sudden confusion or fainting, or a swollen, blistered or peeling rash.
- Contact a doctor straight away if you have severe diarrhoea or vomiting that goes on, together with muscle cramps or weakness or an uneven heartbeat. These can be signs that the body's salts (sodium, potassium, magnesium) are out of balance.
- US advice (MedlinePlus) is to stop taking it and call your doctor straight away if you get stomach pain or cramps, or vomiting. NHS advice is to speak to a pharmacist or doctor if stomach pain is severe.
- If you have taken too much and have bad diarrhoea or stomach pain, stop taking it and contact a doctor or pharmacist straight away.
Side effects, warnings and interactions for Lactulose
Prepared from the sources listed by the MedInfoBase team. General information, not medical advice: it gives no doses. Your doctor or pharmacist decides the medicine and dose for you.
Our condition guides that mention Lactulose
From our condition guides, written from WHO, NICE and other opened sources. Your doctor decides if Lactulose is right for you and the dose.
- Anaemia in pregnancy: may help if iron tablets cause constipation, alongside more fibre and fluids
- Constipation: Usually first choice when diet changes are not enough
- Piles (haemorrhoids): Keep stools soft so you do not need to strain, which helps piles heal and stops them coming back
- Irritable bowel syndrome (IBS): UK guidance advises against using this laxative in IBS
About Factosil 3.35 mg/5 mL oral liquid
Factosil 3.35 mg/5 mL oral liquid contains Lactulose 3.35 mg/5 mL. It is registered with DRAP by Next Pharmaceutical Products (Pvt.) Ltd (registration no. 085203). Its official price is PKR 147.61 for a pack of 60 ml. This price has applied since 27 July 2026. No other brand of Lactulose 3.35 mg/5 mL in this form is listed in Pakistan.
Other brands of Lactulose 3.35 mg/5 mL other in Pakistan
No other brand of Lactulose 3.35 mg/5 mL other is listed in Pakistan. See all strengths and forms of Lactulose →
Where to buy
MedInfoBase does not sell medicines and takes no orders. The company below holds the DRAP registration for Factosil, so it is the right place for a pharmacy, distributor or hospital buyer to ask about supply. A patient should buy from a licensed pharmacy.
- Registration holder
- Next Pharmaceutical Products (Pvt.) Ltd, Lahore
- DRAP registration
- 085203
- Phone
- +92 42 35297630-2
- info@nextpharco.com
- Website
- https://nextpharmaceutical.com/
- Contact page
- Company contact page
Contact details as published by the company, last checked on 16 August 2026 (not yet independently verified). The price on this page is the official DRAP maximum retail price: a pharmacy may charge that or less, never more.
Official price over time
No change in the official DRAP price is recorded for this pack (60 ml). Current price PKR 147.61, effective 27 Jul 2026.
Cite this price history
MedInfoBase. Factosil 3.35 mg/5 mL, 60 ml: official price history (source: DRAP PharmaPrice Index). https://medinfobase.com/brand/factosil-3-35-mg-5-ml-085203-60-ml-next-pharmaceutical-products-pvt-ltd/ (accessed 15 November 2026).
Official price history
| Amount | Effective from | Verified | Source | Status |
|---|---|---|---|---|
| PKR 147.61 | 2026-07-27 | 2026-08-09 | DRAP PharmaPrice Index | Current |
Cite this record
Medicine record · DRAP registration 085203Price and registration data on this page were observed on 9 August 2026. Records change over time, so please cite the observation date alongside the access date.