What is the difference between a calcium channel blocker and a beta blocker?

Name says it all. Calcium channel blockers block the channel that allows vascular tone to increase and lowers blood pressure. The beta blockers work on beta recetors on the vessels to lower pressure . The heart has both beta receptors and calcium channels. Therefore betablockers and some calcium channel blockers can slow the heart rate as well.

Related Questions

If I take calcium channel blocker and beta blocker (one at night, one in morn) is the overall effect more? My heart rate feels very low through day

What type of CCB. Kimberlie, calcium channel blockers (CCB) come in 2 basic "flavors". The dihydropyridine mostly effect blood vessels to lower blood pressure. The non-dihyropyridine work at the heart to reduce heart rate and force of muscle contraction by the heart. Beta Blockers (BB) also have some with affect blood vessels more (Beta 2) and some which affect heart more (Beta 1). Best to talk to your doctor. Read more...

If I am taking a calcium channel blocker for raynaud's and a beta blocker for migraines, does that defeat the purpose of taking the calcium channel blocker?

Can strike a balance. When a person has two or more medical conditions needing treatment, his doctors will try to strike a balance with the medications, to improve each condition as much as possible without worsening the other condition(s). In regards to migrainers, medications such as triptans and ergot alkaloids can lead to raynaud's symptoms, so maybe using beta blockers is less problematic in a particular patient. Read more...

I'm on warfarin and flecainide. Why should flecainide should always be used in conjunction with a beta blocker or a calcium channel blocker?

Recurrence. Atrial fibrillation can still recur with Flecainide and Flecainide does not prevent rapid heart rate from Atrial fib. Thus the need for drugs like beta blockers and either of the 2 calcium channel blockers that effectively controls the rate just in case. . Read more...

If you have tachycardia and hypertension together, do you need a beta blocker or a calcium channel blocker?

Maybe. The type reason for the tachycardia needs to be understood before suppressing it with either medication. Furthermore, some underlying conditions can lead to both problems and may need addressing specifically (e.g. pheochromocytoma, or other foods or medications). A thorough review of your records and discussion with a cardiologist can better answer your question. Read more...