Prescribing Information: Rayos (Prednisone). Azithromycin (Zithromax) is an antibiotic that may speed up your heart rate. Symptomatic sinus bradycardia after a treatment course of high-dose oral prednisone.

Corticosteroids and the risk of atrial fibrillation. van der Hooft CS, Heeringa J, Brusselle GG, et al. Palpitations are often described as a fluttering feeling in the chest or a sensation of the heart racing or pounding.Side effects can best be minimized through patient monitoring and using lower potency dosages. The most common adverse effects reported while taking prednisone were: However, tachycardia is not one of the more common possible adverse effects of the drug. While the exact cause of steroid-induced arrhythmias or irregular heartbeats is not known, it may be due to sudden electrolyte shifts within the body that result in irregular heartbeats. As well as an irregular heartbeat, your heart may also beat very fast (often considerably higher than 100 beats per minute). The heart tries to compensate for the energy shortage. Prednisone may cause elevations of salt, water retention and blood pressure, which results in changes to cardiovascular and renal function. The most obvious symptom of atrial fibrillation is heart palpitations where the heart feels like its pounding, fluttering or beating irregularly, often for a few seconds or possibly a few minutes. This energy shortage in muscle cells causes an inappropriate rapid heart rate in response to exercise. Blood clotting and blood flow problems.In clinical studies, other possible adverse cardiovascular effects reported were: Prednisone may cause what is known as tachycardia, or a rapid heart rate over 100 beats per minute. A racing, bounding heart rate may be a sign of heart disease.

Racing heart