After three days, the dose is increased to 300mg per day (three 100mg tablets per day taken six hours apart)
A study found that while the drug is effective in weight management throughout therapy, discontinuing use will result in the patient regaining weight
PMID 12680910
Curr Developments Nutr
Because its a stimulant, the phentermine label warns about increases in blood pressure, insomnia if taken late in the day, and its contraindicated in people with a history of cardiovascular disease, uncontrolled hypertension, hyperthyroidism, glaucoma, agitated states, or a history of drug abuse
With Zepbound now approved for sleep apnea too (unsurprisingly, as researchers and doctors have linked sleep apnea and obesity for years), demand could increase even further