Analysis of the reasons why long-term use of cycloserine is not recommended

Cycloserine (Cycloserine) is an anti-tuberculosis drug mainly used to treat drug-resistant tuberculosis. Although it plays an important role in anti-tuberculosis treatment, cycloserine is not recommended for long-term use, primarily related to its drug side effects and toxicity. Long-term use of cycloserine may cause serious neurological adverse reactions, affecting patients' quality of life and treatment safety.

First of all, cycloserine is highly neurotoxic, and long-term use can easily cause central nervous system side effects, such as headaches, dizziness, anxiety, depression, and even epileptic seizures and mental confusion. These side effects not only affect patients' mental health, but may also lead to treatment interruption and affect anti-tuberculosis efficacy. Therefore, doctors usually limit the duration of cycloserine use and closely monitor the patient's neurological condition.

Secondly, the liver metabolism and renal excretion characteristics of cycloserine increase the risk of drug accumulation in the body. Especially for patients with liver and kidney dysfunction, long-term medication may lead to excessive drug concentration and increase the incidence of toxic side effects. In addition, long-term medication may also induce the emergence of drug-resistant strains, reduce the effectiveness of treatment, and pose challenges to tuberculosis control.

Finally, in order to avoid the above risks, cycloserine is usually used as an auxiliary drug in multi-drug combination treatment regimens clinically, and the medication time is strictly limited. Doctors will reasonably arrange the treatment cycle based on the patient's specific condition and tolerance, and adjust the drug regimen when necessary to ensure efficacy while minimizing the occurrence of adverse reactions. During the period of using cycloserine, patients should have regular follow-up visits and timely feedback on their physical condition.

Reference:https://en.wikipedia.org/wiki/Cycloserine