Adverse effect of Tacrolimus include all of the following, EXCEPT:
**Question:** Adverse effect of Tacrolimus include all of the following, EXCEPT:
A. CNS toxicity (encephalopathy)
B. Gastrointestinal side effects (e.g., nausea, vomiting)
C. Hypersensitivity reactions (e.g., rash, fever)
D. Renal dysfunction
**Correct Answer:**
**Core Concept:** Tacrolimus is an immunosuppressive drug primarily used to prevent organ rejection in organ transplantation and to treat autoimmune diseases. It works by inhibiting the activation of T cells and calcineurin, which leads to suppression of the immune response.
**Why the Correct Answer is Right:**
Tacrolimus has various side effects, but the correct answer (Renal dysfunction) is not mentioned as an adverse effect in most sources. Tacrolimus can cause nephrotoxicity, leading to increased serum creatinine levels and decreased glomerular filtration rate. This is usually reversible upon drug discontinuation.
**Why Each Wrong Option is Incorrect:**
A. CNS toxicity (encephalopathy): Tacrolimus can cause neurotoxicity, leading to neurological symptoms and cognitive impairment. This is a known side effect and not the correct answer.
B. Gastrointestinal side effects: Tacrolimus can cause gastrointestinal symptoms, such as nausea, vomiting, and diarrhoea. This is a common side effect and not the correct answer.
C. Hypersensitivity reactions: Tacrolimus can cause hypersensitivity reactions like rash and fever. Although less common, it is still a potential side effect and not the correct answer.
**Clinical Pearl:**
Tacrolimus is a crucial medication in organ transplantation and autoimmune disorders. However, it is essential to monitor for potential side effects and adjust the dosage accordingly to avoid toxicity and complications. Always consider renal function tests and neurological symptoms when assessing patients on tacrolimus therapy.