Blood Pressure Home > Calin

Were you looking for information about Calan? Calin is a common misspelling of Calan.
Calan® (verapamil hydrochloride) is a prescription medication that is approved to treat certain types of irregular heart rhythms, high blood pressure, and chest pain. It works by relaxing the blood vessels to improve blood flow and to make it easier for the heart to pump blood. Side effects may include nausea, headaches, and dizziness.
In order for Calan to work properly, you must take it as prescribed. The tablets are taken by mouth, typically three or four times a day. If you do not take the medication as scheduled, take your missed dose as soon as you remember. If it is almost time for your next dose, skip the one you missed and continue with your regular schedule -- do not take a double dose.
(Click Calan for more information on how this medicine works, guidelines for when and how to take it, and potential overdose symptoms. You can also click any of the links in the box to the right for specific information.)
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Last reviewed by: Kristi Monson, PharmD;
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