According to the journal Obesity (Silver Spring), phentermine has been deemed safe and effective for weight loss, but adverse side effects are still possible [5]
For a 5 mg vial, you might use the entire contents in a single dose or split it into two

767: Emergent therapy for acute-onset, severe hypertension during pregnancy and the postpartum period, Obstetrics and Gynecology (2019) DASH (Dietary Approaches to Stop Hypertension) dietary pattern and maternal blood pressure in pregnancy, Journal of Human Nutrition and Dietetics (2020) Guidelines for the prevention of stroke in women: A statement for healthcare professionals from the American Heart Association/American Stroke Association, Stroke (2014) Hydralazine hydrochloride drug summary, Prescribers Digital Reference Hypertension in pregnancy, StatPearls (2022) Hypertension in pregnancy and postpartum: Current Standards and opportunities to improve care, Circulation (2025) Hypertension in pregnancy: Diagnosis, blood pressure goals, and pharmacotherapy: A scientific statement from the American Heart Association, Hypertension (2022) Lupus-like syndrome in a mother and newborn following administration of hydralazine

With 5 mL of water, the same 1 mg dose equals 10 units, which is much easier to measure accurately
Serum MMA may also be elevated in thyroid disease, bacterial overgrowth in the small intestine, pregnancy, or a rare genetic disorder in infants called methylmalonic acidemia
We offer professional health & wellness services in our office as well as onsite at your company