OpenClaim

Chlophedianol Side Effects

The most commonly reported side effects of chlophedianol include febrile neutropenia, enterobacter bacteraemia, and off label use, based on 22 FDA adverse event reports from 2007 to 2025. 4.5% of reports found the drug to be ineffective.

Chlophedianol side effects

Percentages show how often each reaction appears relative to total reports for chlophedianol.

1
Febrile Neutropenia45.5%10
2
Enterobacter Bacteraemia22.7%5
3
Off Label Use13.6%3
4
Pneumonia13.6%3
5
Serotonin Syndrome13.6%3
6
Intensive Care9.1%2
7
Clostridium Difficile Colitis9.1%2
8
Urticaria4.5%1
9
Death4.5%1
10
Neoplasm4.5%1
11
Product Dose Omission Issue4.5%1
12
Cough4.5%1
13
Nasopharyngitis4.5%1
14
Drug Ineffective4.5%1
15
Subretinal Fluid4.5%1

These are voluntary reports and do not establish that chlophedianol caused these reactions.

Report severity

90.9%Serious20 reports
59.1%Hospitalizations13 reports
13.6%Fatal3 reports

Seriousness is determined by the reporter, not by OpenClaim.

Chlophedianol drug interactions

Other drugs that appear in adverse event reports alongside chlophedianol. Drugs flagged as a suspected cause appear in the first column. Drugs taken at the same time but not suspected appear in the second.

Also suspected

1
Cyclophosphamide36.4%8
2
Cisplatin22.7%5
3
Mesna22.7%5
4
Vincristine-sulfate22.7%5
5
Pembrolizumab13.6%3
6
Tramadol-hydrochloride13.6%3
7
Valsartan13.6%3
8
Eszopiclone13.6%3
9
Sertraline-hydrochloride13.6%3
10
Doxorubicin-hydrochloride9.1%2
11
Ertapenem-sodium9.1%2
12
Levofloxacin9.1%2
13
Gadobenate-dimeglumine4.5%1
14
Cyclosporine4.5%1
15
Lenalidomide4.5%1

Taken alongside

1
Ondansetron45.5%10
2
Olanzapine40.9%9
3
Pantoprazole-sodium36.4%8
4
Acetaminophen36.4%8
5
Pregabalin31.8%7
6
Dimenhydrinate31.8%7
7
Aprepitant31.8%7
8
Fosaprepitant-dimeglumine31.8%7
9
Acyclovir27.3%6
10
Lactulose27.3%6
11
Amlodipine27.3%6
12
Polyethylene-glycol-335027.3%6
13
Lorazepam27.3%6
14
Apomorphine-hydrochloride27.3%6
15
Ergocalciferol22.7%5

Co-occurrence in adverse event reports does not establish a drug interaction. Patients often take multiple medications, and these lists reflect prescribing patterns rather than causal relationships. Consult a healthcare provider about potential drug interactions.

Who reports chlophedianol side effects

81.8% of chlophedianol adverse event reports involve female patients and 18.2% involve male patients. The largest age group is adult at 68%. These figures reflect who reports side effects, not underlying risk.

Sex

Female81.8%
Male18.2%
Unknown0.0%

Age group

< 20.0%
2–110.0%
12–170.0%
18–6468.4%
65+31.6%

What is chlophedianol used for

Conditions and purposes for which patients were taking chlophedianol when the adverse event was reported.

CoughProduct Used For Unknown IndicationProduct Used For Unknown Indication

Chlophedianol brand names and reporting trend

Chlophedianol is sold under the brand name Ulo.

Brand names

Ulo22

Quarterly reports (20072025)

20072025

An upward trend reflects increased FAERS reporting overall, not necessarily increased risk.

Taking chlophedianol with another medication?

Ask OpenClaim about your specific drug combination. Get a sourced report using FDA data, drug labels, and medical literature.