Levofloxacin infusion stimulation of blood vessels can be dealt with through physical therapy, drug therapy, etc. Patients with serious symptoms need to stop the infusion immediately, under the guidance of the doctor for treatment. 1. Physical therapy: levofloxacin belongs to the quinolone class of drugs, in the infusion due to the high osmotic pressure of the drug, may produce stimulation of blood vessels leading to pain, at this time you can slow down the drip rate to ease the pain, but also in the pain of localized compresses to relieve the symptoms. 2. Drug treatment: Levofloxacin infusion stimulation of blood vessels may also be caused by the drug caused by phlebitis, phlebitis is a kind of sterile inflammation of the veins, mainly due to vascular damage, hypertonic drug stimulation of the blood vessels caused by the redness of the skin accompanied by itchiness or pain, this time you can reduce the symptoms through the application of magnesium sulfate, polysulfated mucopolysaccharides. 3. Stop the infusion: If the symptoms cannot be improved by the above methods, the infusion needs to be stopped immediately, and at the same time, the patient should be monitored to see if there are any other adverse reactions, and once there are abnormalities, the doctor needs to be notified in time to deal with them.