### effect:

Side effect
* Many side effects are generally reversible by reducing the dosage or stopping the medication.
* Most side effects are reversible and gradually disappear after a medication is stopped
  - transient and rapidly subside as the drug is metabolized and excreted
  - center on the nervous system- anxiety, hallucinations, dyskinesis, etc
  - improve rapidly with dosage reduction
  - show up in only a modest percentage of the people using a drug
* Some side effects affect the nervous system.
* Some side effects can affect the nervous system
  - include nervousness, headache, heart palpitations, and dizziness
  - cause birth defects
  - occur in dogs
  - reported in association with the use of triazolam appear to be dose related
* affect ability.
* are a combination of both estrogen and progesterone side effects
  - direct result of the killing of healthy cells
  - major hazard in the industrialized world
  - problem for some women with all hormonal treatments
  - rise in blood pressure and body temperature as well as an increase in anxiety
  - sign that a medicinal has caused an imbalance in a tissue, organ, or function
  - also a central issue with the use of testosterone as a libido medication
* are any effects other than the therapeutic effect
  - undesired actions or effects of a drug or treatment
* are common - some drugs cause hair loss, nausea, and low blood cell counts
  - in almost all drugs
* are common with antipsychotic drugs
  - most pain medicines
* are common, as with many of the sulfa drugs
  - especially dermatitis, agranulocytosis and peripheral neuropathy
  - consequences
* are extremely rare and there is no known toxic level of chondroitin sulphate
  - with natural progesterone
  - generally limited to the region of the body being treated
  - less severe when dosage is increased slowly
  - more common in children taking high doses of inhaled steroids
  - much less common with inhaled corticosteroids
  - often worse when a particular drug is first started and lessen over time
  - possible in people who have sensitive stomachs
  - primarily related to hyperthermia, resulting from impaired temperature regulation
  - rare, but encephalitis has been reported in infants
  - undesirable symptoms caused by drugs
  - unintended or undesirable reactions to medications
  - unwanted changes in our bodies which sometimes happen when taking medicine
* arise because genes function in a coordinated manner with other genes.
* associated with argatroban include gastrointestinal and genitourinary bleeding
  - bupivacaine are systemic toxicity from high blood levels of the drug
  - opiates can range from mild to severe
  - tars include folliculitis and, occasionally, photosensitivity
* can also be more severe when drugs with similar side effects are used together
  - be a concern for people who regularly use pain relievers or have health problems
* can include fatigue, insomnia and, in men, impotence
  - incontinence, impotence and blood loss
  - liver tumors, high blood pressure, wild mood swings, and violent behavior
  - strokes, allergic reactions and infections
  - ulcer disease and gastrointestinal or other bleeding
* cause some people to stop taking the medicines.
* caused by reactions to sulfa-containing drugs can include rash and fever.
* center on liver dysfunction and alterations in white blood cells.
* depend mostly on the amount of radiation and the part of the body that is treated.
* depend on the type of treatment and on the part of the body being treated
  - used and on the part of the body being treated
  - treatments used for diabetes
  - upon the drugs used and the person's age and general health
* do occur in some people taking methotrexate.
* include death
  - drowsiness
* increase with the dose and duration of metoclopramide.
* is an effect
* occur because any living tissue is sensitive to radiation
  - more frequently when steroids are taken over long periods of time at high doses
* seen with irofulven are common to most other chemotherapeutic agents.
* tend to be more common when a drug is just started or a major change in dosage is made.
* vary from one class of antidepressants to another.