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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 Wholesale (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
|
0.0546
|
(79%)
|
(4%)
|
|
Synthroid
|
26,845
|
0.0427
|
(85%)
|
(4%)
|
|
Furosemide Oral
|
22,516
|
0.0358
|
(85%)
|
(3%)
|
|
Acetamin. w/Cod.#3
|
19,375
|
0.0308
|
(85%)
|
(3%)
|
|
HCTZ/Triamterene
|
16,576
|
0.0264
|
(92%)
|
(2%)
|
|
Trimeth/Sulfa (Septra)
|
13,807
|
0.0219
|
(98%)
|
(2%)
|
|
Hydrochlorothiazide
|
14,014
|
0.0223
|
(95%)
|
(2%)
|
|
Lorazepam
|
13,246
|
0.0211
|
(96%)
|
(2%)
|
|
Amitriptyline
|
12,729
|
0.0202
|
(96%)
|
(2%)
|
|
Zoloft
|
15,922
|
0.0253
|
(69%)
|
(2%)
|
|
Prednisone Oral
|
13,134
|
0.0209
|
(83%)
|
(2%)
|
|
Lanoxin
|
16,637
|
0.0264
|
(64%)
|
(2%)
|
|
Glyburide
|
10,840
|
0.0172
|
(94%)
|
(2%)
|
|
Glucophage
|
13,069
|
0.0208
|
(73%)
|
(2%)
|
|
Prozac
|
19,818
|
0.0315
|
(48%)
|
(2%)
|
|
Ibuprofen
|
18,034
|
0.0287
|
(49%)
|
(1%)
|
|
Augmentin (Clavulin)
|
13,016
|
0.0207
|
(68%)
|
(1%)
|
|
Coumadin Tabs
|
12,140
|
0.0193
|
(68%)
|
(1%)
|
|
Diazepam
|
8,542
|
0.0136
|
(94%)
|
(1%)
|
|
Ranitidine HCL
|
10,399
|
0.0165
|
(68%)
|
(1%)
|
|
Cephalexin
|
20,809
|
0.0331
|
(32%)
|
(1%)
|
|
Amoxicillin
|
18,563
|
0.0295
|
(35%)
|
(1%)
|
|
Alprazolam
|
18,235
|
0.0290
|
(34%)
|
(1%)
|
|
Naproxen
|
10,058
|
0.0160
|
(60%)
|
(1%)
|
|
Paxil
|
14,598
|
0.0232
|
(40%)
|
(1%)
|
|
Biaxin
|
8,845
|
0.0141
|
(62%)
|
(1%)
|
|
Vasotec
|
13,556
|
0.0215
|
(38%)
|
(1%)
|
|
Lipitor
|
17,955
|
0.0285
|
(28%)
|
(1%)
|
|
Cipro
|
10,429
|
0.0166
|
(45%)
|
(1%)
|
|
Prevacid
|
8,830
|
0.0140
|
(53%)
|
(1%)
|
|
Zithromax
|
11,550
|
0.0184
|
(37%)
|
(1%)
|
|
Procardia XL (Adalat XL)
|
9,091
|
0.0145
|
(43%)
|
(1%)
|
|
Pravachol
|
9,534
|
0.0152
|
(40%)
|
(1%)
|
|
Zestril
|
13,706
|
0.0218
|
(25%)
|
(1%)
|
|
Norvasc
|
17,310
|
0.0275
|
(19%)
|
(1%)
|
|
Verapamil SR
|
8,597
|
0.0137
|
(34%)
|
0%
|
|
Zocor
|
13,183
|
0.0210
|
(19%)
|
0%
|
|
Amoxil
|
7,340
|
0.0117
|
(28%)
|
0%
|
|
Accupril
|
7,640
|
0.0121
|
(27%)
|
0%
|
|
Lotensin
|
7,056
|
0.0112
|
(28%)
|
0%
|
|
Prinivil
|
6,905
|
0.0110
|
(24%)
|
0%
|
|
Metoprolol Tartrate
|
10,167
|
0.0162
|
(13%)
|
0%
|
|
Cardizem CD
|
10,144
|
0.0161
|
(2%)
|
0%
|
|
Trazodone HCL
|
7,684
|
0.0122
|
58%
|
1%
|
|
Atenonolol
|
22,262
|
0.0354
|
350%
|
12%
|
|
Total
|
629,068
|
1.0000
|
Weighted Av. Discount:
|
(42%)
|
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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