Isoptin 40 Mg 40 mg FC tablets.
PDF Leaflet Revision Date: 27 March 2022
Clinical Summary
Quick overview from the medicine insert
Indication
Used for angina pectoris and supraventricular tachydysrhythmia.
Dosage (summary)
Average daily dose: 120-360 mg in three divided doses.
Special Populations
- Elderly patients
- Renal impairment
- Hepatic impairment
Pregnancy & Breastfeeding
Use in pregnancy only if necessary; contraindicated during breastfeeding.
Key Drug Interactions
- CYP3A4 inhibitors
- Beta blockers
- Digoxin
Contraindications
- Hypersensitivity to verapamil
- Second- and third-degree AV block
- Acute myocardial infarction
- Sick sinus syndrome
- Heart failure with reduced ejection fraction
Common side effects
- Headaches
- Dizziness
- Constipation
- Bradycardia
- Hypotension
Counselling Points
- Take regularly before meals
- Monitor for signs of bradycardia
- Avoid grapefruit juice
Serious warnings
- May cause AV block
- Risk of hypotension
- Caution in patients with heart failure
Important Disclaimer
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