Calan (Verapamil) for Migraine
Overview:
- Drug Name: Verapamil
- Brand Name: Calan
- Type: Calcium Channel Blocker
- FDA Approval: Approved for hypertension, angina, and arrhythmias. Prescribed off-label for migraine prevention.
Mechanism
- Believed to work by suppressing the action of serotonin, which constricts blood Show Full Answer
Calan (Verapamil) for Migraine
Overview:
- Drug Name: Verapamil
- Brand Name: Calan
- Type: Calcium Channel Blocker
- FDA Approval: Approved for hypertension, angina, and arrhythmias. Prescribed off-label for migraine prevention.
Mechanism:
- Believed to work by suppressing the action of serotonin, which constricts blood vessels in the head and lowers pain tolerance.
Dosage:
- Generally taken three or four times a day.
- Comes in tablet form.
Common Side Effects:
- Headache
- Dizziness
- Fatigue
- Rash
- Itching
- Tingling sensation under the skin
- Nausea
- Constipation
Rare but Serious Side Effects:
- Heart failure
- Liver damage
- Low blood pressure
- Bradycardia (slowed heartbeat)
For more details, you can visit the following resources:
- [Calan – RxList](http://www.rxlist.com/calan-drug.htm)
- [Calcium Channel Blockers to prevent migraine headaches – Migraine.com](https://migraine.com/migraine-treatment/calcium...)
Note: Always consult with a healthcare provider for personalized medical advice.
July 9