Onfi Side Effects
Generic Name: clobazam
Note: This document contains side effect information about clobazam. Some of the dosage forms listed on this page may not apply to the brand name Onfi.
Some side effects of Onfi may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.
For the Consumer
Applies to clobazam: oral suspension, oral tablet
Along with its needed effects, clobazam (the active ingredient contained in Onfi) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur while taking clobazam:More common
- Difficulty with swallowing
- shakiness and unsteady walk
- unsteadiness, trembling, or other problems with muscle control or coordination
- Change in speech pattern
- slurred speech
- trouble sitting still
- trouble speaking
- black, tarry stools
- bleeding gums
- blistering, peeling, or loosening of the skin
- blood in the urine or stools
- chest pain
- confusion as to time, place, or person
- difficult or troubled breathing
- holding false beliefs that cannot be changed by fact
- irregular, fast or slow, or shallow breathing
- joint or muscle pain
- lack of feeling or emotion
- painful or difficult urination
- pale or blue lips, fingernails, or skin
- pinpoint red spots on the skin
- red skin lesions, often with a purple center
- red, irritated eyes
- seeing, hearing, or feeling things that are not there
- sore throat
- sores, ulcers, or white spots in the mouth or on the lips
- swollen glands
- troubled breathing with exertion
- unusual bleeding or bruising
- unusual excitement, nervousness, or restlessness
- unusual tiredness or weakness
Some side effects of clobazam may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:More common
- body aches or pain
- decreased appetite
- difficulty having a bowel movement (stool)
- ear congestion
- loss of voice
- nasal congestion
- runny nose
- sleepiness or unusual drowsiness
- Bladder pain
- cloudy urine
- cough with mucus
- frequent urge to urinate
- increased appetite
- lower back or side pain
- Double vision
- full or bloated feeling
- muscle spasms
- pressure in the stomach
- rash, hives, or welts
- red skin
- swelling of the stomach area
For Healthcare Professionals
Applies to clobazam: oral suspension, oral tablet
Dermatologic side effects reported postmarketing have included rash, Stevens-Johnson Syndrome (SJS), toxic epidermal necrolysis (TEN), and urticaria.
Gastrointestinal side effects have included vomiting (7%) and constipation (5%). Gastrointestinal side effects reported postmarketing have included abdominal distention.
General side effects have included dysphagia (2%).
Genitourinary side effects have included urinary tract infection (4%).
Hematologic side effects reported postmarketing have included anemia, eosinophilia, leukopenia, and thrombocytopenia.
Metabolic side effects have included decreased appetite (3%) and increased appetite (3%).
Nervous system side effects have included pyrexia (13%), irritability (7%), fatigue (5%), somnolence (22%), sedation (5%), lethargy (10%), drooling (9%), ataxia (5%), psychomotor hyperactivity (4%), and dysarthria (3%).
Ocular side effects reported postmarketing have included diplopia and blurred vision.
Psychiatric side effects have included aggression (8%) and insomnia (5%). Psychiatric side effects reported postmarketing have included agitation, anxiety, apathy, confused state, depression, delirium, delusion, and hallucination.
Respiratory side effects have included upper respiratory tract infection (4%), pneumonia (4%), bronchitis (2%), and cough (5%). Respiratory side effects reported postmarketing have included aspiration and respiratory depression.
More about Onfi (clobazam)
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