### drug:

General anesthetic
* All general anesthetics appear to shut off the brain from external stimuli.
* Most general anesthetics are potent myocardial depressants and vasodilators.
* are drugs that cause a temporary loss of consciousness
  - similar to nitrous oxide, although more toxic
* can easily kill a person.
* does carry certain risks, but can leave the child with better dental memories.
* is anesthetic.

### drug:

Generic drug
* Some generic drugs are readily available at pharmacies.
* are almost always much less expensive than the corresponding brand name drug.
* are chemically equivalent to brand name drugs, but cost a lot less
  - their name brand counterparts
  - identical to the brand-name products they are intended to replace
  - equal to brand-name drugs for safety and effectiveness
  - generally just as effective as brand names - and much less expensive
  - generics
* are less expensive than brand name drugs, but they have the same make up and strength
* are much cheaper than brand-name drugs
  - no more likely to cause side effects than the brand name drugs
  - pharmaceutically and therapeutically equivalent to brand-name drugs
  - the same quality as brand-name drugs, but they re less expensive
  - therapeutically equivalent to their brand-name counterparts
  - usually cheaper than brand name drugs
* are usually less expensive than branded products
  - their brandname counterparts
* carry virtually the same labeling information as their brand name versions.
* have the same active ingredients as brand-name drugs.

### drug:

Halothane
* activates catecholaminergic afferents to the periaqueductal grey.
* administered by inhalation is the anesthetic of choice.
* blocks low-voltage activated calcium current in rat sensory neurons.
* can cause hepatic damage following repeated exposures
  - hypotension, decreased cardiac output, and respiratory depression
* good anaesthetic, but a poor analgesic.
* is considered high risk for guinea pigs as they hold their breath and then gasp
  - in between and has a near-perfect profile of physical properties
  - readily available with only minimal amounts of isoflurane in the larger hospitals
  - transformed in the liver into a molecule that binds to liver proteins
* potent trigger of malignant hyperthermia in susceptible animals or people
* produces disinhibition by depressing inhibitory interneurons in rat hippocampal slices
  - plasma bromides in proportion to dose and length of exposure
* selectively inhibits bradykinin-induced synovial plasma extravasation.
* sensitises the heart to adrenaline and predisposes the patient to developing arrhythmias.
* sensitizes myocardium to catecholamines
  - the myocardium to epinephrine

Herbal drug
* Some herbal drugs can also cause allergic reactions, according to meeting reports.
* are cheap, readily available and unadulterated.

### drug:

Hypnotic
* All hypnotics induce and maintain sleep
  - pose some risk of overdose, habituation, tolerance, addiction, and withdrawal
* Many hypnotics are addictive , and have side-effects
  - addictive, and have side-effects.
  * A 'hypnotic' drug designed to help you sleep. It type of psychoactive drug which acts as a 'soporific', and is also used for surgical anaesthesia. Many hypnotics are addictive, and have side-effects. Because of this, most are prescribed as a last resort, and only for a short time. Rohypnol particularly powerful example of a hypnotic
* also differ in the dose range over which they are effective.
* are important here when used as muscle relaxants.
* differ by half-life as well as chemical structure.
* produce drowsiness and facilitate the onset and maintenance of sleep.