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The
Economic Freedom
Network
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|
Prescription Drug Prices in Canada and the United States --
Part 1: A Comparative Survey
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[Contents]
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Weighted Average Canadian Retail (Discount) or Premium
Canadian prices divided by American prices
Drugs sorted by contribution to weighted average (column 5)
|
Product
|
Units (000s)
|
(1) Weighting Factor1
|
(2) Percentage Price Difference
(Canada/US)
|
Contribution to Weighted Average (Discount) or Premium (column 1 * column 2)
|
|
Premarin tabs
|
34,362
|
0.0563
|
(79%)
|
(4%)
|
|
Synthroid
|
26,845
|
0.0440
|
(80%)
|
(4%)
|
|
Furosemide Oral
|
22,516
|
0.0369
|
(66%)
|
(2%)
|
|
Trimethoprim/Sulfa (Septra)
|
13,807
|
0.0226
|
(95%)
|
(2%)
|
|
Lorazepam
|
13,246
|
0.0217
|
(84%)
|
(2%)
|
|
Prilosec
|
19,596
|
0.0321
|
(56%)
|
(2%)
|
|
Zoloft
|
15,922
|
0.0261
|
(69%)
|
(2%)
|
|
Glucophage
|
13,069
|
0.0214
|
(74%)
|
(2%)
|
|
Prozac
|
19,818
|
0.0325
|
(48%)
|
(2%)
|
|
Augmentin (Clavulin)
|
13,016
|
0.0213
|
(73%)
|
(2%)
|
|
Hydrochlorothiazide
|
14,014
|
0.0230
|
(61%)
|
(1%)
|
|
Amitriptyline
|
12,729
|
0.0209
|
(66%)
|
(1%)
|
|
Ibuprofen
|
18,034
|
0.0296
|
(46%)
|
(1%)
|
|
Lanoxin
|
16,637
|
0.0273
|
(50%)
|
(1%)
|
|
Prednisone Oral
|
13,134
|
0.0215
|
(60%)
|
(1%)
|
|
Glyburide
|
10,840
|
0.0178
|
(70%)
|
(1%)
|
|
Coumadin Tabs
|
12,140
|
0.0199
|
(58%)
|
(1%)
|
|
Zocor
|
13,183
|
0.0216
|
(51%)
|
(1%)
|
|
Biaxin
|
8,845
|
0.0145
|
(69%)
|
(1%)
|
|
Paxil
|
14,598
|
0.0239
|
(42%)
|
(1%)
|
|
Vasotec
|
13,556
|
0.0222
|
(41%)
|
(1%)
|
|
Cipro
|
10,429
|
0.0171
|
(53%)
|
(1%)
|
|
Diazepam
|
8,542
|
0.0140
|
(64%)
|
(1%)
|
|
Prevacid
|
8,830
|
0.0145
|
(59%)
|
(1%)
|
|
Lipitor
|
17,955
|
0.0294
|
(27%)
|
(1%)
|
|
Zithromax*
|
11,550
|
0.0189
|
(40%)
|
(1%)
|
|
K-Dur 20
|
7,550
|
0.0124
|
(60%)
|
(1%)
|
|
Pravachol
|
9,534
|
0.0156
|
(46%)
|
(1%)
|
|
Procardia XL (Nifedipine)
|
9,091
|
0.0149
|
(46%)
|
(1%)
|
|
Naproxen
|
10,058
|
0.0165
|
(41%)
|
(1%)
|
|
Zestril
|
13,706
|
0.0225
|
(29%)
|
(1%)
|
|
Norvasc
|
17,310
|
0.0284
|
(16%)
|
0%
|
|
Lotensin
|
7,056
|
0.0116
|
(35%)
|
0%
|
|
Cardizem CD
|
10,144
|
0.0166
|
(24%)
|
0%
|
|
Accupril
|
7,640
|
0.0125
|
(30%)
|
0%
|
|
Prinivil
|
6,905
|
0.0113
|
(31%)
|
0%
|
|
Metoprolol Tartrate
|
10,167
|
0.0167
|
(13%)
|
0%
|
|
Cephalexin
|
20,809
|
0.0341
|
(1%)
|
0%
|
|
Trazodone HCL
|
7,684
|
0.0126
|
20%
|
0%
|
|
Alprazolam
|
18,235
|
0.0299
|
12%
|
0%
|
|
Cyclobenzaprine
|
8,377
|
0.0137
|
109%
|
1%
|
|
Ranitidine HCL
|
10,399
|
0.0171
|
115%
|
2%
|
|
Doxycycline Hyclate
|
7,098
|
0.0116
|
212%
|
2%
|
|
Verapamil SR
|
8,597
|
0.0141
|
180%
|
3%
|
|
Atenolol
|
22,262
|
0.0365
|
238%
|
9%
|
|
Total
|
609,835
|
1.0000
|
Weighted Av. Discount:
|
(28%)
|
1A weighted average was calculated by multiplying each drug's Canadian percentage discount by a weighting factor, Wi, and taking the sum of the resulting weighted percentage discounts, where:
Where Ni is the number of prescriptions written during the period for drug i; and NT is the total number of prescriptions written for the sample (for the wholesale sample NT = 629,068,000, and for the retail sample NT = 609,835,000).
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Last Modified: August 23, 2000.
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