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Side Effects & Adverse Reactions
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Legal Issues
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FDA Safety Alerts
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Manufacturer Warnings
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FDA Labeling Changes
There are currently no FDA labeling changes available for this drug.
Uses
Phentermine resin extended-release capsules are indicated as a short-term (a few weeks) adjunct in a regimen of weight reduction based on exercise, behavioral modification and caloric restriction in the management of exogenous obesity for patients with an initial body mass index ≥ 30 kg/m2, or ≥ 27 kg/m2 in the presence of other risk factors (e.g., controlled hypertension, diabetes, hyperlipidemia).
Below is a chart of body mass index (BMI) based on various heights and weights.
BMI is calculated by taking the patient’s weight, in kilograms (kg), divided by the patient’s height, in meters (m), squared. Metric conversions are as follows: pounds ÷ 2.2 = kg; inches x 0.0254 = meters.
BODY MASS INDEX (BMI), kg/m2 |
||||||
Weight |
5’0” |
5’3” |
5’6” |
5’9” |
6’0” |
6’3” |
140 |
27 |
25 |
23 |
21 |
19 |
18 |
150 |
29 |
27 |
24 |
22 |
20 |
19 |
160 |
31 |
28 |
26 |
24 |
22 |
20 |
170 |
33 |
30 |
28 |
25 |
23 |
21 |
180 |
35 |
32 |
29 |
27 |
25 |
23 |
190 |
37 |
34 |
31 |
28 |
26 |
24 |
200 |
39 |
36 |
32 |
30 |
27 |
25 |
210 |
41 |
37 |
34 |
31 |
29 |
26 |
220 |
43 |
39 |
36 |
33 |
30 |
28 |
230 |
45 |
41 |
37 |
34 |
31 |
29 |
240 |
47 |
43 |
39 |
36 |
33 |
30 |
250 |
49 |
44 |
40 |
37 |
34 |
31 |
The limited usefulness of agents of this class, including phentermine, [see Clinical Pharmacology (12.1, 12.2)] should be measured against possible risk factors inherent in their use such as those described below.
History
There is currently no drug history available for this drug.
Other Information
Phentermine Resin Extended-Release Capsules contain 15 mg and 30 mg respectively of phentermine as the cationic exchange resin complex. Phentermine is α, α-dimethyl phenethylamine (phenyl-tertiarybutylamine).
Inactive Ingredients: dibasic calcium phosphate, talc, and magnesium stearate. The 15 mg capsule shell consists of D&C Yellow No. 10, FD&C Yellow No. 6, titanium dioxide, gelatin, FD&C Blue No. 1, FD&C Red No. 40, FDA /E172 black iron oxide. The capsule imprinting ink consists of shellac glaze in ethanol, black iron oxide, N-butyl alcohol, propylene glycol, FD&C Blue No. 2 Aluminum Lake, FD&C Red No. 40 Aluminum Lake, FD&C Blue No. 1 Aluminum Lake, D&C Yellow No. 10 Aluminum Lake, ethanol and methanol. The 30 mg capsule shell consists of D&C Yellow No. 10, FD&C Yellow No. 6, titanium dioxide, and gelatin. The capsule imprinting ink consists of shellac glaze in ethanol, black iron oxide, N-butyl alcohol, propylene glycol, FD&C Blue No. 2 Aluminum Lake, FD&C Red No. 40 Aluminum Lake, FD&C Blue No. 1 Aluminum Lake, D&C Yellow No. 10 Aluminum Lake, ethanol and methanol.
Sources
Phentermine Resin Er Manufacturers
-
Lannett Company, Inc.
Phentermine Resin Er | Lannett Company, Inc.
Exogenous Obesity
One capsule daily, before breakfast or 10-14 hours before retiring. For individuals exhibiting greater drug responsiveness, phentermine resin extended-release capsules, 15 mg, will usually suffice. Phentermine resin extended-release capsules, 30 mg, are recommended for less responsive patients. Phentermine resin extended-release capsules are not recommended for use in pediatric patients under 16 years of age.
Phentermine resin extended-release capsules should be swallowed whole.
Late evening medication should be avoided because of the possibility of resulting insomnia.
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