Using Medicines Safely 
(2:50) 
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Medicines are only safe if they are 
used for the intended purpose and 
according to the directions on the 
label.
prescription medicines 
over-the-counter (OTC) medicines 
medicine misuse 
medicine abuse 
drug overdose
Standards for Medicines 
Medicines are regulated to make them safe. 
All new medicines in the United States must 
meet standards set by the Food and Drug 
Administration (FDA).
Standards for Medicines 
Drug manufacturers test new medicines according 
to FDA guidelines. 
That includes completing at least three clinical 
trials in which the drug is tested on human 
volunteers.
Standards for Medicines 
Sometimes, if a drug hasn’t yet completed 
clinical trials but is thought to be effective, people 
with life-threatening illnesses are allowed to use 
the drug. 
This usage is referred to as experimental.
Standards for Medicines 
The FDA does not 
regulate herbal and 
dietary supplements. 
Even supplements made from natural compounds 
can have harmful side effects or interactions.
Prescription Medicines 
A licensed pharmacist dispenses prescription 
medicines. 
Prescription medicines 
Medicines that are dispensed only 
with the written approval of a licensed 
physician or nurse-practitioner
Over-the-Counter (OTC) Medicines 
The FDA considers over-the-counter (OTC) 
medicines to be safe if they are used as the label 
directs. 
over-the-counter (OTC) medicines 
Medicines you can buy without a 
doctor’s prescription
Medicine Labels 
Active Ingredient 
Inactive Ingredients 
Uses 
Expiration Date 
Purpose 
Warnings 
Other Information 
and Directions 
Ingredient that treats condition, including amount per unit 
Substances added to the product that do not help treat 
the condition, such as flavor and color 
Conditions or symptoms treated by the product 
The date you should no longer use the medicine 
Product category and what the product is supposed to 
do, such as antacid 
Side effects, interactions, when to talk to a doctor, when 
not to take the product, keep out of reach of children 
Other information may be printed on the opposite side of 
the label
Medicine Labels 
Prescription medicine labels also include this information. 
 Special instructions for taking the medicine 
 The prescribing doctor’s name 
 The patient’s name 
 The pharmacy’s name and address 
 The date the prescription was filled 
 The prescription number 
 Whether refills are allowed
Medicine Labels 
This is an example of a 
medicine label for an 
over-the-counter (OTC) 
medicine.
Medicine Misuse 
Taking medicines unnecessarily or without 
following the label instructions is dangerous. 
Medicine misuse can prevent the user from 
getting the full benefit of the medicine.
Medicine Misuse 
Medicine misuse can have serious health 
consequences. 
Medicine misuse 
Using a medicine in ways 
other than the intended use
Medicine Misuse 
Examples of Medicine Misuse 
 Failing to follow the instructions on or in the package 
 Giving a prescription medicine to a person for whom it was not 
prescribed, or taking another person’s medicine 
 Taking too much or too little of a medicine 
 Taking a medicine for a longer or shorter period than 
prescribed or recommended 
 Discontinuing use of a medicine without informing your health 
care provider 
 Mixing medicines without the knowledge or approval of your 
health care provider
Medicine Abuse 
Medicine abuse is dangerous and illegal. 
Medicine abuse 
Intentionally taking medications 
for non-medical reasons
Medicine Abuse 
Don’t use drugs to lose weight. 
Don’t use drugs to stay awake 
while studying. 
Don’t use drugs to fit in with peers.
Medicine Abuse 
One danger of medicine misuse is drug overdose. 
Drug overdose 
A strong, sometimes fatal 
reaction to taking a large 
amount of a drug
After You Read 
Reviewing Facts and Vocabulary 
1. How do prescription medicines differ 
from OTC medicines? 
Prescription medicines are dispensed only 
with the approval of a licensed physician or 
nurse practitioner. An OTC can be bought 
without a prescription.
After You Read 
Reviewing Facts and Vocabulary 
2. List four pieces of information that must 
be on an OTC medicine label. Describe 
the purpose of each piece of information. 
Sample answers: Active ingredient, uses, 
directions, and warnings
After You Read 
Reviewing Facts and Vocabulary 
3. What is medicine misuse? How does it 
differ from medicine abuse? 
Using a medicine in ways other than the 
intended use is medicine misuse; medicine 
abuse is taking medication for nonmedical 
reasons.
Ch19 02

Ch19 02

  • 1.
    Using Medicines Safely (2:50) Click here to launch video Click here to download print activity
  • 2.
    Medicines are onlysafe if they are used for the intended purpose and according to the directions on the label.
  • 3.
    prescription medicines over-the-counter(OTC) medicines medicine misuse medicine abuse drug overdose
  • 4.
    Standards for Medicines Medicines are regulated to make them safe. All new medicines in the United States must meet standards set by the Food and Drug Administration (FDA).
  • 5.
    Standards for Medicines Drug manufacturers test new medicines according to FDA guidelines. That includes completing at least three clinical trials in which the drug is tested on human volunteers.
  • 6.
    Standards for Medicines Sometimes, if a drug hasn’t yet completed clinical trials but is thought to be effective, people with life-threatening illnesses are allowed to use the drug. This usage is referred to as experimental.
  • 7.
    Standards for Medicines The FDA does not regulate herbal and dietary supplements. Even supplements made from natural compounds can have harmful side effects or interactions.
  • 8.
    Prescription Medicines Alicensed pharmacist dispenses prescription medicines. Prescription medicines Medicines that are dispensed only with the written approval of a licensed physician or nurse-practitioner
  • 9.
    Over-the-Counter (OTC) Medicines The FDA considers over-the-counter (OTC) medicines to be safe if they are used as the label directs. over-the-counter (OTC) medicines Medicines you can buy without a doctor’s prescription
  • 10.
    Medicine Labels ActiveIngredient Inactive Ingredients Uses Expiration Date Purpose Warnings Other Information and Directions Ingredient that treats condition, including amount per unit Substances added to the product that do not help treat the condition, such as flavor and color Conditions or symptoms treated by the product The date you should no longer use the medicine Product category and what the product is supposed to do, such as antacid Side effects, interactions, when to talk to a doctor, when not to take the product, keep out of reach of children Other information may be printed on the opposite side of the label
  • 11.
    Medicine Labels Prescriptionmedicine labels also include this information.  Special instructions for taking the medicine  The prescribing doctor’s name  The patient’s name  The pharmacy’s name and address  The date the prescription was filled  The prescription number  Whether refills are allowed
  • 12.
    Medicine Labels Thisis an example of a medicine label for an over-the-counter (OTC) medicine.
  • 13.
    Medicine Misuse Takingmedicines unnecessarily or without following the label instructions is dangerous. Medicine misuse can prevent the user from getting the full benefit of the medicine.
  • 14.
    Medicine Misuse Medicinemisuse can have serious health consequences. Medicine misuse Using a medicine in ways other than the intended use
  • 15.
    Medicine Misuse Examplesof Medicine Misuse  Failing to follow the instructions on or in the package  Giving a prescription medicine to a person for whom it was not prescribed, or taking another person’s medicine  Taking too much or too little of a medicine  Taking a medicine for a longer or shorter period than prescribed or recommended  Discontinuing use of a medicine without informing your health care provider  Mixing medicines without the knowledge or approval of your health care provider
  • 16.
    Medicine Abuse Medicineabuse is dangerous and illegal. Medicine abuse Intentionally taking medications for non-medical reasons
  • 17.
    Medicine Abuse Don’tuse drugs to lose weight. Don’t use drugs to stay awake while studying. Don’t use drugs to fit in with peers.
  • 18.
    Medicine Abuse Onedanger of medicine misuse is drug overdose. Drug overdose A strong, sometimes fatal reaction to taking a large amount of a drug
  • 19.
    After You Read Reviewing Facts and Vocabulary 1. How do prescription medicines differ from OTC medicines? Prescription medicines are dispensed only with the approval of a licensed physician or nurse practitioner. An OTC can be bought without a prescription.
  • 20.
    After You Read Reviewing Facts and Vocabulary 2. List four pieces of information that must be on an OTC medicine label. Describe the purpose of each piece of information. Sample answers: Active ingredient, uses, directions, and warnings
  • 21.
    After You Read Reviewing Facts and Vocabulary 3. What is medicine misuse? How does it differ from medicine abuse? Using a medicine in ways other than the intended use is medicine misuse; medicine abuse is taking medication for nonmedical reasons.