Swelling of the face in lupus erythematosus is considered to be impaired kidney function or adverse reaction to medication. It is not recommended to drink more water when kidney function is impaired, but the amount of water to be drunk is not restricted when it is an adverse reaction to medication.
1. Impaired kidney function: when the condition of lupus erythematosus worsens, kidney function will be impaired, which will lead to sodium retention and swollen face, at this time, drinking more water will aggravate the burden on the kidneys, which will further aggravate the condition, therefore, it is not recommended to drink more water.
2. Adverse reaction of therapeutic drugs: facial edema will also appear when there is adverse reaction of protein metabolism during drug treatment of lupus erythematosus, and it is necessary to discontinue or change the drugs under the doctor’s advice, and the amount of water to be drunk is generally not restricted.
So lupus erythematosus after the appearance of facial edema need to consult a professional doctor in a timely manner, after the cause is clear, follow the doctor’s instructions to give the appropriate treatment.