Before taking levofloxacin, it is necessary to clarify the contraindications, especially for patients with familial short QT syndrome and severe liver dysfunction.

1、 Familial short QT syndrome

Lufenamide is contraindicated for this type of patient.

Lufenamide can shorten the QT interval and may induce severe ventricular arrhythmias.

Individuals with a family history of short QT syndrome should inform their doctor and evaluate their electrocardiogram before medication.

Individuals with a history of unexplained syncope or arrhythmia should use with caution or avoid use.

During medication, electrocardiogram QTc and blood potassium, magnesium, and calcium should be monitored.

2、 Severe liver dysfunction

Patients with severe liver dysfunction should use with caution or avoid use.

Lufenamide may increase liver enzymes, and individuals with impaired liver function are at a higher risk.

Liver function should be monitored before and during medication.

If jaundice, fatigue, decreased appetite, darkened urine color, etc. occur, seek medical attention immediately.

When used in combination with other hepatotoxic drugs, extra caution should be exercised and monitoring should be strengthened.

3、 Other taboos and caution

It is contraindicated for individuals allergic to Lufenamide or its components.

Pregnant and lactating women should weigh the pros and cons before using it.

Patients with renal insufficiency should be cautious and adjust the dosage if necessary.

Avoid co administration with alcohol and other central nervous system depressants.

Discontinuation of medication should be gradually reduced and should not be abruptly stopped.

The above is general popular science information and cannot replace individualized advice from doctors or pharmacists. Please follow the doctor's advice when taking medication and seek medical attention promptly if you experience discomfort.