Medical Reactions

Drug Reactions: MedlinePlus

https://medlineplus.gov/drugreactions.html

But medicines can also cause unwanted reactions, such as drug interactions, side effects, and allergies. What is a drug interaction? A drug interaction is a change in the way a drug acts in the body when taken with certain other drugs, foods, or supplements …

Drug allergy - Symptoms and causes - Mayo Clinic

https://www.mayoclinic.org/diseases-conditions/drug-allergy/symptoms-causes/syc-20371835

Allergies - Symptoms and causes - Mayo Clinic

https://www.mayoclinic.org/diseases-conditions/allergies/symptoms-causes/syc-20351497

In some severe cases, allergies can trigger a life-threatening reaction known as anaphylaxis. Hay fever, also called allergic rhinitis, can cause: Sneezing. Itching of the …

Finding and Learning about Side Effects (adverse …

https://www.fda.gov/drugs/information-consumers-and-patients-drugs/finding-and-learning-about-side-effects-adverse-reactions

Side effects, also known as adverse reactions, are unwanted undesirable effects that are possibly related to a drug. Side effects can vary from minor problems like …

Drug Side Effects | Drugs.com

https://www.drugs.com/sfx/

A side effect is usually regarded as an undesirable secondary effect which occurs in addition to the desired therapeutic effect of a drug or medication. Side effects may vary for each …

Adverse Reaction to a Medication or Drug - Verywell Health

https://www.verywellhealth.com/what-is-an-adverse-reaction-3959900

An adverse reaction is an unexpected negative reaction to a medication or treatment that happens even when used correctly. You may have adverse drug …

How Consumers Can Report an Adverse Event or …

https://www.fda.gov/safety/reporting-serious-problems-fda/how-consumers-can-report-adverse-event-or-serious-problem-fda

MedWatch is the Food and Drug Administration's (FDA) program for reporting serious reactions, product quality problems, therapeutic inequivalence/failure, and product use …

What Are the 4 Types of Allergic Reactions? Symptoms

https://www.medicinenet.com/what_are_the_four_types_of_allergic_reactions/article.htm

Type I, II and III allergic reactions are called immediate types of allergic reactions because they occur within twenty-four hours of exposure to the allergen. Type IV reactions typically occur after 24 hours …

Blood transfusion reaction: Symptoms and treatment

https://www.medicalnewstoday.com/articles/blood-transfusion-reaction

According to a 2020 article, the most common signs that indicate a person is experiencing an adverse reaction include: a fever. chills. hives. itching. However, these symptoms can resolve with ...

17 Synonyms & Antonyms of REACTION - Merriam …

https://www.merriam-webster.com/thesaurus/reaction

Synonyms for REACTION: response, answer, take, reply, backlash, reflex, revulsion, recoil; Antonyms of REACTION: action, behavior, effect, cause