Potassium Chloride
Severe
Database
Drug interaction classified as: absorption
Source: DDInter
Drug reference
biperiden
Tertiary amine, muscarinic antagonist (CNS-acting) · Anticholinergic
Tertiary amine, muscarinic antagonist (CNS-acting)Anticholinergic
CDSCO approved
EXCRETION
—
not curated
INTERACTIONS
4 major
SEVERE in our sources
PREGNANCY
C
FDA category + note
Top interactions
- Potassium ChlorideSevereDatabaseDDInter
- Potassium CitrateSevereDatabaseDDInter
- TopiramateSevereDatabaseDDInter
- ZonisamideSevereDatabaseDDInter
Mechanism
Tertiary amine that readily gains access to the CNS. Mainly used to treat tremor.
Indications
Parkinson’s diseaseExtrapyramidal symptoms that commonly occur as side effects of antipsychotic drugsDrug-induced parkinsonismParkinson's disease
Dosing
- Adult
- 2–10 mg/day oral, i.m. or i.v.
Contraindications
- Not recommended for elderly patients
- Not recommended for demented patients
Side effects
Common
Antimuscarinic adverse effects similar to atropineCognitive impairmentperipheral antimuscarinic adverse effectsimpairment of memoryorganic confusional statesblurred visionurinary retention
Serious
- Exacerbation of tardive dyskinesia
- cholinergic rebound following abrupt anticholinergic withdrawal
Pregnancy & lactation
Pregnancy
C
Lactation
Not specified
Drug interactions
Potassium Citrate
Severe
Database
Drug interaction classified as: synergy
Source: DDInter
Topiramate
Severe
Database
Drug interaction classified as: synergy.
Source: DDInter
Zonisamide
Severe
Database
Drug interaction classified as: synergy
Source: DDInter
8 additional low-confidence interactions hidden — those rows lack a documented mechanism or management plan in our sources.
Related guidelines
Ask House about biperiden
Continue into a citation-backed clinical answer with the drug context already attached.
Sources: KD Tripathi 7e, Goodman & Gilman 14e·Verified: 2026-05-10 · House clinical team