1. Help Heart and Regulate Blood Pressure
The Role of Medicines
Medicines are substances that, when taken internally or applied to the body, help prevent or cure a disease or other medical problem
Prevent Disease
Fight Pathogens 4
CATEGORIES
Help Heart and Regulate Blood Pressure
Relieve Pain

2. Medicines That Prevent Disease
-a preparation, containing weakened or dead pathogens that cause a particular disease, given to prevent one from contracting that disease
VACCINES
immunization
Rabies
-extracts of blood fluids that contain antibodies and act more quickly than vaccines.
ANTITOXINS
diphtheria
tetanus

3. Medicines that Fight Pathogens
*chemical agents that destroy disease-causing microorganisms
PENNICILLIN
-Kill or prevent bacteria preventing them from reproducing

4. Cardiovascular Medicine
BETA BLOCKERS
DIURETICS
Block the action of nerves that constrict blood vessels. Slows the heartbeat and lowers blood pressure.
Increase urine production to reduce the amount of water and sodium in a person’s body
5 MAIN TYPES
VASODILATORS
Dilate the veins and arteries to increase blood and oxygen flow
ANTIARRHYTHMICS
CLOT DISSOLVERS
Lowers blood pressure and helps prevent clots
Used to treat irregular heart beats (arrhythmia)

5. Medicines That Relieve Pain
What do you take for your headache?
ANALGESICS
Narcotics Aspirin
Aspirin = acetylsalicylic acid
headache
dizziness
stomach irritation
Reye's syndrome
Ibuprofen = anti-inflammatory
Acetaminophen = pain reliever/NOT anti-inflammatory

6. Medicines and the Body ADDITIVE INTERACTION TOLERANCE
Body becomes used to the effect of a medicine
Medicines work in a POSITIVE way
SYNERGISTIC EFFECT
The combination of two or medications that cause a GREATER effect than when take alone
WITHDRAWAL
Happens when you stop taking a medication after you have developed a physical dependence
ANTAGONISTIC
INTERACTION
One medication reduces or CANCELS out another