Home    Contact us   
Medical malpractice

Adverse Reaction To Drugs

Adverse reactions to drugs happen to be very common. As a matter of fact, up to thirty percent of every hospitalised patient will go through unintended reactions due to medications. However, actual allergic reactions only happen in one out of ten of these reactions.

Before talking about medication allergies, we have to group drug reactions to two specific categories:

Category One: Reactions that are predictable and common within any person. This includes expected medication side effects, interactions between two medications that people take, and reactions from the use of excessive medication. This particular group represents most medication reactions.

Category Two: Reactions that are unpredictable and just happen to some people. Such reactions could include unexpected side effects, allergic reactions, medication intolerance and various other immunologic and non-allergic reactions.

People could go through allergic reactions when it comes to any medication, though some tend to be much more common compared to others. Several highly common adverse reactions to drugs are as follows:

Penicillin and Other Antibiotics

One out of ten people tend to report histories of allergic reactions when it comes to penicillin. Less than ten percent of these people are the only ones who are actually allergic to it, though, and these people could end up with fatal anaphylaxis. Because of this, it would be essential to let doctors know about past medication reactions. Skin testing for penicillin could help find out if these past reactions were actual allergies or just some other kind of side effect.

Cephalosporins and Other Related Antibiotics

Extreme cephalosporin reactions are less common compared to penicillin. However, small chances do exist that somebody with actual allergies to penicillin will also have cephalosporin reactions because these drugs happen to be related. Allergists might have the ability to help in determining whether such antibiotics would be safe to take.


It is quite unclear if these reactions actually are allergic or can merely be attributed to other immunologic processes. No reliable tests exist to find out whether people are allergic to such medication classes.


This would include naproxen, aspirin and ibuprofen. This medication class could cause both non-allergic and allergic flares of swelling or hives, make asthma worse, and even result in anaphylaxis. No reliable test exists for the majority of people who have these particular medication reactions.

Local Anaesthetics

Actual allergic reactions to these are very rare and normally happen because of the medication's ingredients like epinephrine and preservatives. Allergists can perform tests to numerous anaesthetics and find the ideal one for practically anybody.

General Anaesthesia

Several medications that are put to use during surgery tend to be common causes of anaphylaxis and actual allergic reactions. If you believe you are experiencing adverse reactions to it during or post surgery, allergists might get to help find out the actual causes.

Anti Seizure Medication

A lot of medications that are put to use to treat epilepsy could cause reactions that are non-allergic as a result to particular enzyme deficiencies within the person who takes it. Symptoms could include rashes, fever, hepatitis and body aches. No tests exist yet for this kind of adverse reactions to drugs, though.

↑ Top

Medical malpractice  |  Site Map  |  Resources  |  Privacy  |  Contact Us