Medication Prefixes & Suffixes

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Drugs that start with "rifa"
Antibiotics that treat TB
- Rifampin aka Rifampicin
- Rifapentine
Drugs that start with "cef" or "ceph"
Cephalosporins
- Cephalexin (Keflex)
- cefadroxil
- cefaclor (Ceclor)
- cefazolin
- ceftriaxone (Rocephin)
Drugs that start with "sulf"
- Sulphonamides aka Sulfa Drugs
- (Antibacterials)
- Sulfadiazine
- Burns, UTIs, Toxoplasmosis
sulfamethoxazole & trimethoprim (Bactrim)
Name some Potassium-Sparing Diuretics
- Spironolactone (Aldactone)
- Eplerenone (Inspra)
- Amiloride (Midamor)
- Triamterene (Dyrenium)
These drugs don't share any obvious chemical similarities, except for the steroid-structure of the aldosterone antagonists

Therefore, none of these medications have similar prefixes or suffixes
Drugs that end in "ase" like Streptokinase

Urokinase
Anistreplase

Thrombolytic Drugs
alteplase (Activase)
reteplase (Retavase)
tenecteplase (TNKase)

What are these drugs?

Thrombolytic drugs

Specifically tissue plasminogen activator (TPA)
Drugs that end in "azole"

Fluconazole
Econazole
Butoconazole

Antifungals
Drugs that end in "osin"

Terazosin
Tamsulosin
Silodosin
Prazosin
Alpha-1 Blockers
- A smooth muscle relaxer
- Treats BPH & hypertension
Relaxes muscles the bladder & prostate Lowers BP by relaxing the blood vessels
- Watch for hypotension, dizziness, fainting, lightheaded
- Change positions slowly
- Terazosin (Hytrin)
- Tamsulosin (Flomax)
- Silodosin (Rapaflo)
- Prazosin (Minipress)
Drugs ending in "barbital"
Barbiturates
- CNS depressants
- Now used mainly for general anesthesia in surgery, seizures
- Used in animal & human euthanasia
- Benzos have replaced its other uses
- Phenobarbital
- Pentobarbital
Medication that ends in "caine"
Local anesthetics
- Lidocaine
- Cocaine
- Bupivacaine (for nerve blocks & epidurals)
Cinacalcet
A Calcimimetic (the only one on the market)

Brand name is Sensipar
- Treats secondary hyperparathyroidism
- Used in dialysis patients
- Mimics calcium in the body
Ceftriaxone

Brand Name
What does it treat?
Rocephin (IM or IV only)
- Menningitis
- Gonorrhea
- PID
- Sepsis
- bone and joint infections
- Intra-abdominal infections