Pestin Tablets (Phentermine Hydrochloride)

Adult dose

Adults: Administer 37.5 mg of phentermine hydrochloride orally once daily, before breakfast or 1 ～ 2 hours after breakfast. Use the lowest effective dose, adjusting the dose individually to achieve an adequate response. A dose of 18.75 mg once daily may be appropriate for some patients, while in some cases it may be preferable to take 18.75 mg twice daily. Avoid taking this medicine late at night because it may cause insomnia. This medicine should be administered for a short term (within 4 weeks). However, to reduce the risk of inappropriate use, treatment may be continued if the patient achieves satisfactory weight loss within the first 4 weeks (at least 1.8 kg of weight loss, or weight loss considered satisfactory by both the physician and patient).

This medication should not be used in conjunction with other appetite suppressants. It should only be used alone for a short duration, and combining it with other weight loss drugs is not recommended due to unproven safety and efficacy. This medication may be associated with primary pulmonary hypertension and valvular heart disease; therefore, patients should be informed to notify their physician immediately if symptoms such as difficulty breathing, chest pain, fainting, or leg swelling occur, and use should be discontinued if such symptoms arise. Patients with cardiovascular disease, hypertension, hyperthyroidism, glaucoma, individuals who are anxious or agitated, those with a history of substance abuse, pregnant women or those who may become pregnant should not take this medication. Diabetic patients and those with mild hypertension should be particularly cautious when using this medication, and diabetics may need to adjust their insulin dosage. Side effects such as palpitations, insomnia, headache, dizziness, dry mouth, diarrhea, urticaria, erectile dysfunction may occur while taking this medication; hence, caution is advised. When starting treatment, it is recommended to begin with the minimum dosage, and if efficacy diminishes, do not increase the dosage but discontinue use. This medication affects the central nervous system; hence, caution is needed during activities such as driving or operating machinery. Avoid taking this medication with alcohol as harmful interactions may occur. Women who are pregnant or breastfeeding should consult a physician before taking this medication, as weight loss during pregnancy can be harmful to the fetus. The safety and efficacy of this medication have not been established in children under 16 years of age, hence it should not be used in this population. In the event of overdose, severe symptoms such as anxiety, coma, convulsions, cardiac arrhythmias, and vomiting may occur; immediate medical attention should be sought. This medication should be kept out of reach of children, and it is classified as a controlled substance with potential for abuse; therefore, it should be used strictly according to the physician's prescription and guidance.

Primary pulmonary hypertension, valvular heart disease with regurgitation, palpitations, tachycardia, elevated blood pressure, hyperexcitability, anxiety, dizziness, insomnia, discomfort, euphoria, tremors, headache, psychiatric seizures, thirst, unpleasant taste, diarrhea, constipation, other gastrointestinal disorders, urticaria, erectile dysfunction, changes in sexual drive, anxiety, coma, tremors, rebound hypertension, increased respiration, confusion, hallucinations, aggression, panic state, convulsions, arrhythmia, hypertension, hypotension, circulatory shock, nausea, vomiting, abdominal pain, severe skin disease, insomnia, hypersensitivity, hyperfunction, personality changes, and psychosis similar to schizophrenia

This medication may be sensitive to air and moisture; therefore, it should be stored in a tightly sealed container. Additionally, it is advisable to avoid storing it in extremely hot or cold environments, maintaining a storage temperature of 1 to 30 degrees Celsius. Proper storage will help preserve the medication's effectiveness over time.

Appearance

White oblong tablet

Package unit

30 tablets, 100 tablets/bottle