Antiarrhythmic drugs may interact with other medicines. When this happens, the effects of one or both of the drugs may change or the risk of side effects may be greater. Anyone who takes antiarrhythmic drugs should let the physician know all other medicines he or she is taking. Among the drugs that may interact with antiar-rhythmic drugs are:
other heart medicines, including other antiarrhythmic drugs
The list above does not include every drug that may interact with antiarrhythmic drugs. Be sure to check with a physician or pharmacist before combining antiarrhythmic drugs with any other prescription or nonprescription (over-the-counter) medicine.
Anxiety—Worry or tension in response to real or imagined stress, danger, or dreaded situations. Physical reactions, such as fast pulse, sweating, trembling, fatigue, and weakness may accompany anxiety.
Arrhythmia—Abnormal heart rhythm.
Asthma—A disease in which the air passages of the lungs become inflamed and narrowed.
Emphysema—A lung disease in which breathing becomes difficult.
Glaucoma—A condition in which pressure in the eye is abnormally high. If not treated, glaucoma may lead to blindness.
Hallucination—A false or distorted perception of objects, sounds, or events that seems real. Hallucinations usually result from drugs or mental disorders.