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Category: Prescription Drugs
Most Popular Types: Darvocet-N 100, Darvocet-N 50, Darvocet A500 (Show all)
Generic Name: Propoxyphene-Acetaminophen
This is an opioid analgesic combination of propoxyphene and acetaminophen used for mild to moderate pain. In 2010 the FDA sought market withdrawal of propoxyphene and requested manufacturers voluntarily remove their products after new clinical data showed potential for serious heart risks.
| Purpose | # of patients |
# of patients with evaluations
Efficacy
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Major | Moderate | Slight | None | Can’t tell |
|---|---|---|---|---|---|---|---|
| Pain | 242 | 72 |
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| Fibromyalgia | 26 | 9 |
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| Other | 24 | 5 |
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| Breakthrough pain | 18 | 8 |
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| Pain in hips | 13 | 5 |
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| Back pain | 11 | 4 |
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See all 274 patients currently taking Propoxyphene-Acetaminophen
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Commonly reported side effects, conditions, and hospitalizations associated with Propoxyphene-Acetaminophen
| Constipation | 9 | |
|---|---|---|
| have had to increase dose to rid me of pain | 7 | |
| Sleepiness | 7 | |
| Drowsiness | 6 | |
| Dizziness | 4 | |
| Lightheadedness | 2 | |
| See all 23 reported side effects ▼ | ||
Frequently reported dosages based on patients currently taking Propoxyphene-Acetaminophen. See all 62 dosages ►
| napsylate650mg-100mg as needed | napsylate325mg-50mg as needed | napsylate500mg-100mg as needed | 100mg as needed | 2 napsylate650mg-100mg as needed | napsylate 500 mg-100 mg daily | napsylate 650 mg-100 mg daily | 2 x napsylate 650 mg-100 mg daily | 3 x napsylate 650 mg-100 mg daily | 4 x napsylate 650 mg-100 mg daily | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
87
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5
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7
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18
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9
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5
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27
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17
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9
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15
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| Reason | # Patients | Percentage of patients | |
|---|---|---|---|
| Other | 51 | ||
| Did not seem to work | 37 | ||
| Doctor's advice | 33 | ||
| Course of treatment ended | 22 | ||
| Side effects too severe | 10 | ||
| Personal research | 4 | ||
| Change in health plan coverage | 1 | ||
| Not indicated | 1 |
See all 139 patients who’ve stopped taking Propoxyphene-Acetaminophen
Adherence
Taking treatment as prescribed
Adherence of Propoxyphene-Acetaminophen
Always |
54 | 48% |
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|---|---|---|---|
Usually |
35 | 31% |
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Sometimes |
18 | 16% |
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Never |
5 | 4% |
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Burden
Difficulty being on treatment
Burden of Propoxyphene-Acetaminophen
Very |
4 | 4% |
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|---|---|---|---|
Somewhat |
6 | 5% |
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A little |
16 | 14% |
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Not at all |
86 | 77% |
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Cost
Paid out of pocket
Cost of Propoxyphene-Acetaminophen
$200+ |
1 | 1% |
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|---|---|---|---|
$100-199 |
0 | 0% |
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$50-99 |
1 | 1% |
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$25-49 |
7 | 8% |
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< $25 |
79 | 90% |
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See more information, including instructions, precautions, side effects, and interactions.
Report created on May 25, 2012.