A healthcare provider may prescribe Calan to treat high blood pressure, chest pain, or some arrhythmias. This eMedTV article offers an overview of Calan, including information on how it works, possible side effects, and tips on taking the medication.
Calan side effects are usually minor and may include constipation, nausea, and headaches. This portion of the eMedTV archives discusses other common and rare side effects of Calan, as well as side effects that may require prompt medical attention.
A dry mouth is a rare side effect of Calan, occurring in less than 1 percent of people taking the drug. This eMedTV page offers some tips for dry mouth relief, and explains what to do if you are taking Calan and dry mouth continues to be a problem.
Certain side effects may occur with Calan, and hair loss is a rare but possible problem. As this eMedTV article explains, however, because hair loss is so common in the general population, it is difficult to say if it is actually caused by Calan.
This eMedTV Web page explains that in clinical studies that looked at the side effects of Calan, impotence occurred in less than 1 percent of men. This article explains what you should do if you are taking Calan and impotence becomes a problem.
Calan is commonly used to treat high blood pressure, chest pain, and certain irregular heart rhythms. This eMedTV segment takes an in-depth look at Calan uses, and also describes possible off-label uses, such as treating migraine headaches.
For high blood pressure or angina, Calan dosing usually begins at 80 mg three times daily. This eMedTV page also covers dosing for arrhythmias and describes factors that may affect your Calan dosage. Tips for taking the drug are also provided.
Possible Calan drug interactions may occur with alcohol, beta blockers, digoxin, and other drugs. This eMedTV resource provides a list of medications that may interact with Calan and describes the problems these interactions may cause.
Understanding Calan warnings and precautions can help protect people who may be negatively affected by Calan. This eMedTV segment describes these precautions and warnings in more detail and explains who should not use the medication.
Signs of a Calan overdose may include difficulty breathing, fainting, and dizziness. This page on the eMedTV Web site lists other possible signs and symptoms of a Calan overdose and describes the treatment options that are currently available.
As this eMedTV Web page explains, it may not be safe to take Calan during pregnancy -- the drug may increase the risk of miscarriages or decrease fetal growth. This article also discusses the results of animal studies involving Calan and pregnancy.
This eMedTV page explains that if you are taking Calan and breastfeeding, it is important to know the drug passes through breast milk. This page also covers why the manufacturer of Calan recommends women avoid the drug when breastfeeding.
There are currently three strengths of generic Calan available -- verapamil 40 mg, 80 mg, and 120 mg tablets. This eMedTV article also explains how the FDA has determined that generic Calan is as good as the brand-name medication.
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