Childrens Kaopectate Side Effects
Generic Name: bismuth subsalicylate
Note: This page contains information about the side effects of bismuth subsalicylate. Some of the dosage forms included on this document may not apply to the brand name Childrens Kaopectate.
Not all side effects for Childrens Kaopectate may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.
For the Consumer
Applies to bismuth subsalicylate: oral suspension, oral tablet, oral tablet chewable
In addition to its needed effects, some unwanted effects may be caused by bismuth subsalicylate (the active ingredient contained in Childrens Kaopectate). In the event that any of these side effects do occur, they may require medical attention.
You should check with your doctor immediately if any of these side effects occur when taking bismuth subsalicylate:
In some patients bismuth subsalicylate may cause dark tongue and/or grayish black stools. This is only temporary and will go away when you Stop taking bismuth subsalicylate.
- any loss of hearing
- constipation (severe)
- diarrhea (severe or continuing)
- difficulty in speaking or slurred speech
- dizziness or lightheadedness
- drowsiness (severe)
- fast or deep breathing
- headache (severe or continuing)
- increased sweating
- increased thirst
- mental depression
- muscle spasms (especially of face, neck, and back)
- muscle weakness
- nausea or vomiting (severe or continuing)
- ringing or buzzing in ears (continuing)
- stomach pain (severe or continuing)
- uncontrollable flapping movements of the hands (especially in elderly patients) or other uncontrolled body movements
- vision problems
For Healthcare Professionals
Applies to bismuth subsalicylate: compounding powder, oral suspension, oral tablet, oral tablet chewable
Nervous system side effects have included weakness, fatigue, depression, anxiety, irritability, insomnia, unsteady gait, motor incoordination, loss of memory, jerky movements, mental confusion, disorientation, difficulty in walking and speaking, tremor, myoclonic jerks, and incontinence. Myoclonic encephalopathy has occurred rarely. It should be noted that nervous system side effects have been the most common feature of bismuth toxicity.
Nervous system toxicity is a common feature of bismuth toxicity. Bismuth toxicity is characterized by the insidious onset of weakness and fatigue, depression, anxiety, irritability, insomnia, unsteady gait, motor incoordination, loss of memory, and jerky movements. Acute toxicity may result in the development of mental confusion, disorientation, difficulty in walking and speaking, tremor, myoclonic jerks, and incontinence.
Myoclonic encephalopathy has occurred in patients who have ingested bismuth for several months to years, but the incidence is very rare. Recovery of patients from bismuth encephalopathy may take several months following discontinuation of use. Bismuth encephalopathy has generally been reported in patients ingesting salts other than subsalicylate.
Salicylism has been reported in patients who chronically ingest bismuth subsalicylate (the active ingredient contained in Childrens Kaopectate) Common complaints include vertigo, diminished hearing, lethargy, CNS dysfunction, confusion, tinnitus, vomiting, and abdominal pain. Patients may present with respiratory alkalosis and metabolic acidosis, azotemia, and hypoprothrombinemia and platelet dysfunction. The elderly may be particularly vulnerable to the development of salicylism.
Other side effects have included salicylism.
Gastrointestinal side effects have included darkening of the tongue or stool. These effects have been temporary in the majority of cases.
More about Childrens Kaopectate (bismuth subsalicylate)
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