Docetaxel is insoluble in water. But it is soluble in a mixed solvent of polyoxyethylene castor oil and ethanol. Polyoxyethylene castor oil can release histamine in the degradation. It may cause allergic reactions. Allergic reactions occurred in the first or the second medication for most of patients. Almost all of them occur within 30 minutes after administration. Timely anti-allergy treatment can quickly relieve symptoms and will not cause serious consequences. So although docetaxel cost is reasonable and welcomes, patients should be cautious when using it in curing diseases.
The severities of allergic reactions caused by docetaxel are different. The light manifested as flushing, itching, urticaria, drug fever, a severe allergic reaction mainly hypotension, bronchospasm, asthma, and anaphylactic shock. Serious allergic reactions to the rate of 25% to 30%, pre-treatment routine to the glucocorticoid, diphenhydramine and H2 blockers by the incidence dropped to 1.5% ~ 3.0%. But the main symptoms of an allergic reaction to laryngospasm is not mentioned in the instructions of the class of drugs, clinicians should be alert to allergic reactions in the use of taxane chemotherapy. They should not just depend on drug manual guidance.