Determining the correct Minoxidil dosage often involves identifying unwanted side effects like dizziness, ankle swelling, edema, or hyperprolactinemia.

“How do people arrive at the correct dosage for Minoxidil? Well, for better or for worse, really, in some cases, it's accomplished by finding out that you have an unwanted side effect, like dizziness or swelling of your ankles or edema or I would hope this wouldn't be the case, but something that suggests there's hyperprolactinemia.”