Drug allergies , also known as allergic reactions, refers to adverse reactions in patients with idiosyncratic generated after the use of certain drugs. Usually skin flushing, itching, palpitations, rash, difficulty breathing, there may be serious shock or death. So, in life, how to determine what drug allergies?
1, generally do not occur in the first medication.
2, the body is in the sensitive state, after re-exposure to allergens may occur within minutes to 24 hours in the incidence, individual cases can be delayed until after a few days.
3, after an allergic reaction occurs, stopping the drug, can quickly subsided slightly, the prognosis is good. Severe, if not timely treatment can lead to death or cause side effects.
4, the patient has been sensitized to the drug pathogenic sustainable for a long time, and even lifelong subside again medication can reproduce the original symptoms or more severe, the more the number of contact with the drug, the response is often more serious.
5, the drug has a similar structure is often fully cross-cross or allergic reactions.
6, some diseases can increase the allergenicity of drugs on the body, but when ill, after trauma or major surgery, some of the original drug allergy will reduce or disappear.
7, allergic skin test some drugs can be used to detect, but there are also cases of skin test results and clinical response does not match the actual.
8, drug allergies differ from the original disease symptoms, such as aspirin, indomethacin caused by asthma , gentamicin, streptomycin lead to deafness , penicillin, iodine preparations cause anaphylactic shock.
