Drug Safety Information for GENERLAC (Lactulose)

Adverse Drug Reactions for GENERLAC* (Lactulose)

These charts and graphs are based on reports received through the FDA Adverse Event Reporting System (FAERS) program (see below).

Top 20 Adverse Effects Associated with GENERLAC
(reported in FDA Medwatch/FAERS Reports)

  Side Effect # of FDA Reports
1Nausea*645
2Vomiting621
3Dyspnoea*593
4Constipation566
5Pyrexia507
6Diarrhoea*493
7Confusional state488
8Pneumonia460
9Fatigue447
10Asthenia*447
11Anaemia441
12Abdominal pain437
13Death430
14Fall429
15Renal failure acute411
16Pain*405
17Dehydration399
18Hypotension371
19Haemoglobin decreased348
20Dizziness*344

* This side effect also appears in "Top 10 Side Effects of GENERLAC " in the drug's Review Summary based on AskaPatient reviews.

Top 10 Reasons for Taking GENERLAC
(associated with FDA Medwatch/FAERS Reports)

Reason # of FDA Reports
1Constipation*6083
2Product used for unknown indication5983
3Hepatic encephalopathy323
4Constipation prophylaxis268
5Laxative supportive care175
6Hepatic cirrhosis156
7Prophylaxis139
8Liver disorder118
9Ammonia increased96
10Encephalopathy88

*Also a top-10 reason in AskaPatient Review Summary.


Types of Adverse Events for GENERLAC

Total Reports Filed with FDA: 61781


Number of FDA Adverse Event Reports by Patient Age for GENERLAC

Total Reports Filed with FDA: 61781*


* Reports for drugs with the same active ingredients have been aggregated in this analysis: Lactulose (Heptalac, Evalose, Generlac, Cholac, Constulose, Kristalose, Chronulac, Cephulac, Constilac, Normase, Portalac, Enulose, Acilac, Duphalac, Laxilose, Lactulose)

Charts are based on 61781 reports filed with the FDA between 2004 and June 2015.

Adverse Event Reports are submitted to the FDA by pharmaceutical companies (mandatory reporting is required by manufacturers, distributors, or importers), health care providers such as doctors (voluntary reporting), and by patients themselves (voluntary reporting). More Information on FDA MedWatch (FDA Safety Information and Adverse Event Reporting Program)Voluntary reporting takes place under the FDA's MedWatch program, where health care professionals and consumers submit reports to FDA when they find a problem with a drug, medical device, biologic, or other FDA-regulated product. An adverse event is any undesirable experience or extreme side effect associated with the use of a medical product. Adverse events include: death, life threatening event, hospitalization, disability or permanent damage, congenital anomaly or birth defect, medical product use requiring a surgical or other intervention, or other serious medical situation believed to be caused by the drug.

Click to go back to search results and GENERLAC Reviews and Review Summary .

Analytics of FDA Adverse Event Reports Provided by Druginformer.com. FDA Drug Safety Information, including safety-related labeling updates, required post-approval safety studies, risk evaluation management strategies (REMS), alerts, and recalls are compiled by AskaPatient.com from the U.S. Food and Drug Administration.

Visit   DrugInformer.com more on GENERLAC's side effects.