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(phentermine hydrochloride) 37.5 mg Tablets, USP
- Patient Information:
Details with Side Effects
Phentermine hydrochloride USP has the chemical name of α α Dimethylphenethylamine hydrochloride. The structural formula is as follows:
Phentermine hydrochloride is a white, odorless, hygroscopic, crystalline powder which is soluble in water and lower alcohols, slightly soluble in chloroform and insoluble in ether.
ADIPEX-P® (phentermine hydrochloride) , an anorectic agent for oral administration, is available as a capsule or tablet containing 37.5 mg of phentermine hydrochloride (equivalent to 30 mg of phentermine base).
ADIPEX-P® (phentermine hydrochloride) Capsules contain the inactive ingredients Corn Starch, Gelatin, Lactose Monohydrate, Magnesium Stearate, Titanium Dioxide, Black Iron Oxide, FD&C Blue #1, FD&C Red #40 and D&C Red #33.
ADIPEX-P® (phentermine hydrochloride) Tablets contain the inactive ingredients Corn Starch, Lactose (Anhydrous), Magnesium Stearate, Microcrystalline Cellulose, Pregelatinized Starch, Sucrose, and FD&C Blue #1.
What are the possible side effects of phentermine (Adipex-P, Oby-Cap, T-Diet, Zantryl)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have a serious side effect such as:
- feeling short of breath, even with mild exertion;
- chest pain, feeling like you might pass out;
- swelling in your ankles or feet;
- pounding heartbeats or fluttering in your chest;
- confusion or irritability, unusual thoughts or behavior;
- feelings of extreme happiness or sadness;...
What are the precautions when taking phentermine hydrochloride (Adipex-P)?
Before taking this medication, tell your doctor or pharmacist if you are allergic to it; or to any other sympathomimetic amines (e.g., decongestants such as pseudoephedrine, stimulants such as amphetamine, appetite suppressants such as diethylpropion); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: uncontrolled high blood pressure, glaucoma, history of alcohol/drug abuse, vascular heart disease (e.g., chest pain, heart attack), mental/mood problems (e.g., severe anxiety, bipolar disorder, psychosis,...
Last reviewed on RxList: 10/29/2008
This monograph has been modified to include the generic and brand name in many instances.
Additional Adipex-P Information
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