Does pirfenidone (Asri) need to be taken for a long time and what are the risks of long-term use?

Pirfenidone is an oral anti-fibrotic drug mainly used to treat idiopathic pulmonary fibrosis (IPF). Since the disease is a chronic progressive lung disease and the course of the disease is difficult to reverse, pirfenidone usually needs to be taken long-term and continuously to delay the decline of lung function and improve the patient's quality of life. In clinical practice, patients generally need to take medication regularly for a long time under the guidance of a doctor. Short-term discontinuation of medication may increase the risk of disease progression.

Long-term use of pirfenidone can continuously inhibit the process of pulmonary fibrosis and relieve symptoms such as cough and dyspnea to a certain extent. However, the efficacy of the drug requires a certain amount of time to accumulate. It usually takes several weeks to several months of continuous medication to observe improvement or stabilization of lung function indicators. Therefore, patients should be mentally prepared for long-term medication and have their lung function checked regularly.

The risk of long-term medication is mainly reflected in possible side effects. Common adverse reactions of pirfenidone include gastrointestinal reactions (such as nausea, diarrhea), abnormal liver function, rash, and photosensitivity reactions. During continued medication, liver function and blood routine must be monitored regularly, and sun protection measures must be taken to reduce the risk of photosensitivity reactions. For patients who experience severe side effects, the dose should be adjusted or the drug temporarily discontinued under the guidance of a doctor.

In general, pirfenidone is suitable for long-term and regular use to maintain the anti-fibrotic effect, but at the same time, attention should be paid to the safety of long-term use. Patients should strictly follow the doctor's instructions, conduct regular lung function and laboratory tests, and report any discomfort symptoms in a timely manner. Through scientific management and individualized adjustment, disease progression can be delayed, risks caused by long-term medication can be effectively reduced, and overall treatment safety and quality of life can be improved.

Reference materials:https://www.drugs.com/