There is no uniform standard for how long to take pirfenidone capsules to reduce the dosage, and the dosage needs to be reduced according to the patient’s clinical manifestations and condition. In general, at least 6 months, if the condition improves, can consider reducing the dosage.
Pirfenidone capsules are commonly used in the treatment of mild and moderate idiopathic interstitial pulmonary fibrosis, taking pirfenidone capsules for more than 6 months, uninterrupted medication, only to see some effect. The specific dosage needs to be judged according to the patient’s condition and physical condition.
Taking this drug may cause gastrointestinal reactions such as nausea and indigestion, and may also cause adverse reactions such as skin rash, drowsiness and impaired liver function. This drug is contraindicated in people who are allergic to this drug, toxic liver disease, pregnant and lactating women.
It is recommended to follow the doctor’s instructions when using the drug, not blindly use the drug, so as not to cause physical damage due to improper use of the drug.