Pain in the arm when administering azithromycin injection is not normal, but this adverse reaction is frequent in certain patients. Prevalent in young people, it is considered that azithromycin itself is more irritating to the blood vessels. If you do not pay attention, especially the infusion speed is too fast is repeated stimulation, aggravate the condition, so it is still necessary to pay attention and attention, so as not to induce inflammation over time is more troublesome. In particular, you can slow down the infusion rate or cooling and hot compresses, etc., can effectively promote the recovery of the disease, generally well controlled 1-2 courses of treatment can be relieved and recovery, so do not worry. In addition, it is also necessary to adjust the living habits, pay attention to the diet do not eat fried, greasy food, especially do not eat spicy, stimulating food, so as not to repeatedly stimulate, aggravate the condition is more troublesome, and after that, adjust the mentality, keep a happy mood, regular review and observation on it. Patients can apply hot towels in the arm pain area for localized hot compresses, can also relieve symptoms. Hepatic insufficiency, ethanol allergy, pregnant and lactating women should be used with caution, do not drip too fast in the drip process.