What could happen if Carvedilol is abruptly discontinued?

Carvedilol is a beta-blocker often used to manage conditions such as hypertension and heart failure. If Carvedilol is abruptly discontinued, it can lead to rebound hypertension, which is an increase in blood pressure that occurs after stopping antihypertensive medications. This happens because the body has adapted to the presence of the medication, and when it is suddenly withdrawn, the regulatory mechanisms that had been controlled by the medication become overactive, leading to elevated blood pressure. Managing the tapering process when discontinuing such medications is essential to prevent this potential rebound effect.

Other options like mood swings, weight loss, or having no effect do not directly relate to the known physiological responses associated with the abrupt cessation of Carvedilol. Thus, rebound hypertension is the primary concern when discontinuing this medication without proper medical guidance.