Question: What A Drug Is Used For?

What is the meaning of therapeutic drugs?

Therapeutic: Relating to therapeutics, the branch of medicine that is concerned specifically with the treatment of disease.

The therapeutic dose of a drug is the amount needed to treat a disease..

What the body does to the drug is called?

Pharmacokinetics, sometimes described as what the body does to a drug, refers to the movement of drug into, through, and out of the body—the time course of its absorption, bioavailability, distribution, metabolism, and excretion.

How drugs are used in diagnosis?

Radiopaque agents are drugs used to help diagnose certain medical problems. They contain iodine, which absorbs x-rays. Depending on how they are given, radiopaque agents build up in a particular area of the body. The resulting high level of iodine allows the x-rays to make a “picture” of the area.

Is coffee a drug?

Caffeine is defined as a drug because it stimulates the central nervous system, causing increased alertness. Caffeine gives most people a temporary energy boost and elevates mood. Caffeine is in tea, coffee, chocolate, many soft drinks, and pain relievers and other over-the-counter medications.

What are the medical uses of drugs?

Medicines are chemicals or compounds used to cure, halt, or prevent disease; ease symptoms; or help in the diagnosis of illnesses. Advances in medicines have enabled doctors to cure many diseases and save lives.

Is chocolate a drug?

Chocolate, and its base, cocoa, have long been associated with energy and a sense of well-being, among other things—research presented by the Journal of Affective Disorders notes that cocoa is also attributed with “properties of being a stimulant, relaxant, euphoriant, aphrodisiac, tonic and antidepressant.” In fact, …

What are the types of diagnosis?

In reality, a diagnostic procedure may involve components of multiple methods.Differential diagnosis.Pattern recognition.Diagnostic criteria.Clinical decision support system.Other diagnostic procedure methods.Overdiagnosis.Errors.Lag time.More items…

What drugs are used for myasthenia gravis?

Medication Summary There is no cure for myasthenia gravis (MG). Medication is used to manage symptoms and control immune system activity. Acetylcholine esterase (AChE) inhibitors are considered to be the basic treatment of MG. Edrophonium is primarily used as a diagnostic tool owing to its short half-life.

What is a basic drug?

Therefore, basic drugs (like bupivacaine, pyrimethamine) are more charged inside the cell than outside. The cell membrane is permeable to non-ionized (fat-soluble) molecules; ionized (water-soluble) molecules cannot cross it easily. … In an acidic medium, basic drugs are more charged and acidic drugs are less charged.

How do drugs exert their effects?

In order to exert their effects, drugs usually interact in a structurally specific way with a protein receptor or act on physiological processes within the body. This activates a secondary messenger system that produces a physiological effect.

What defines a drug?

A drug is any substance (with the exception of food and water) which, when taken into the body, alters the body’s function either physically and/or psychologically. Drugs may be legal (e.g. alcohol, caffeine and tobacco) or illegal (e.g. cannabis, ecstasy, cocaine and heroin).

How does a drug work?

Drugs interfere with the way neurons send, receive, and process signals via neurotransmitters. Some drugs, such as marijuana and heroin, can activate neurons because their chemical structure mimics that of a natural neurotransmitter in the body. This allows the drugs to attach onto and activate the neurons.