What is a reaction to a drug called?
What is a reaction to a drug called?
A drug allergy is the abnormal reaction of your immune system to a medication. Any medication — over-the-counter, prescription or herbal — is capable of inducing a drug allergy. However, a drug allergy is more likely with certain medications. The most common signs and symptoms of drug allergy are hives, rash or fever.
What is the most common type of adverse drug reaction?
The ten most common ADRs were constipation, nausea +/- vomiting, fatigue, alopecia, drowsiness, myelosuppression, skin reactions, anorexia, mucositis and diarrhoea. These ADRs have high-documented incidence rates and were also the ten most predictable ADRs in this study.
What is the dress syndrome?
DRESS syndrome (Drug Rash with Eosinophilia and Systemic Symptoms) is an adverse reaction term that is currently used to describe a hypersensitivity reaction with an estimated mortality of up to 10%. 1.
What drugs can cause drug eruption?
Medications that are known for causing cutaneous reactions include antimicrobial agents, nonsteroidal anti-inflammatory drugs (NSAIDs), cytokines, chemotherapeutic agents, anticonvulsants, and psychotropic agents.
What are the 4 types of allergic reactions?
Four different types of allergic reactions are immediate, cytotoxic, immune-complex mediated and delayed hypersensitivity reactions. Allergic reactions occur when the body’s immune system has a reaction to a substance it sees as harmful, called an allergen.
What is hypersensitivity reaction?
Hypersensitivity (also called hypersensitivity reaction or intolerance) refers to undesirable reactions produced by the normal immune system, including allergies and autoimmunity. They are usually referred to as an over-reaction of the immune system and these reactions may be damaging and uncomfortable.
What are idiosyncratic reactions?
Idiosyncratic drug reactions may be defined as adverse effects that cannot be explained by the known mechanisms of action of the offending agent, do not occur at any dose in most patients, and develop mostly unpredictably in susceptible individuals only.
What are types of adverse reactions?
Adverse drug reactions are classified into six types (with mnemonics): dose-related (Augmented), non-dose-related (Bizarre), dose-related and time-related (Chronic), time-related (Delayed), withdrawal (End of use), and failure of therapy (Failure).
What does serum sickness look like?
The key features of serum sickness and serum sickness-like reactions (SSLRs) are rash, fever and polyarthritis. Signs and symptoms of true serum sickness occur one to two weeks after first exposure, while SSLRs usually develop after 5 to 10 days.
What is Lyell’s syndrome?
Lyell’s syndrome, or toxic epidermal necrolysis, is a rare, potentially life-threatening mucocutaneous disease, usually provoked by the administration of a drug and characterized by acute necrosis of the epidermis.
How do you get serum sickness?
Serum sickness is caused by nonhuman proteins in certain medications and treatments that your body mistakes as being harmful, causing an immune reaction. One of the most common types of medication that causes serum sickness is antivenom. This is given to people who’ve been bitten by a venomous snake.
What does a drug eruption look like?
Drug rashes can appear as a variety of skin rashes, including pink to red bumps, hives, blisters, red patches, pus-filled bumps (pustules), or sensitivity to sunlight. Drug rashes may involve the entire skin surface, or they may be limited to one or a few body parts. Itching is common in many drug rashes.