Hair Loss Conditions
Educational guides to common hair loss conditions, causes, symptoms, diagnosis conversations, treatment options, and when to seek medical care.
How to Use This Topic Hub
Start with the articles that match your current question, then compare the advice against your Norwood stage, donor area, budget, medical history, and treatment goals. For surgery-related decisions, use these guides to prepare consultation questions rather than as a substitute for an in-person medical evaluation.
Does spironolactone cause weight gain in women using it for hair loss?
Spironolactone can cause 1-2 kg of fluid shifts early on, but clinical trials show no consistent long-term weight gain. Here's what the data actually says.
Does swimming in chlorine accelerate hair loss or damage follicles?
Chlorine dries and breaks hair shafts, but it does not destroy follicles or cause permanent loss. Here's what the research actually shows.
Does thyroid medication reverse hair loss, and how long does it take?
Thyroid medication can reverse hair loss, but regrowth usually takes 3 to 6 months after levels normalize. Here's what the evidence actually shows.
Does vitamin B12 deficiency cause hair loss? Diagnosis and treatment
B12 deficiency can trigger diffuse hair shedding, but it's rarely the only cause. Learn the real evidence, how to get tested, and what treatment actually...
Does wearing tight hairstyles accelerate genetic hair loss?
Tight hairstyles cause traction alopecia, but can they speed up androgenetic hair loss? Here's what the dermatology evidence actually says.
Does zinc deficiency cause hair loss? What the evidence shows
Zinc deficiency does cause hair loss, and correcting it can reverse shedding, but only if you're actually deficient. Here's what the research says.
Dutasteride vs finasteride for hair loss: what the clinical data actually shows
Dutasteride blocks 98% of DHT vs finasteride's 70%. Here's what head-to-head trials say about hair counts, regrowth, and side effects. Real numbers only.
Dutasteride topical vs oral: which has fewer sexual side effects?
Topical dutasteride cuts systemic DHT far less than oral doses, meaning lower sexual side effect risk. Here's what the trials actually show.
Finasteride 1mg daily vs 5mg once a week: is the total dose what matters?
Same weekly dose, very different results. We break down the pharmacokinetics of finasteride dosing so you know which schedule actually works for hair loss.
Finasteride and blood pressure: what the cardiovascular evidence actually shows
Does finasteride raise or lower blood pressure? We break down the clinical evidence, FDA label data, and what men with hypertension should know before...
Finasteride and fertility: what it actually does to sperm count
Finasteride can lower sperm count and motility in some men, but effects are usually reversible. Here's what the studies say and what to do before trying.
Finasteride and libido: will it permanently affect your sex drive?
Most finasteride sexual side effects affect fewer than 4% of men and resolve after stopping. Here's what the real data says about permanent risk.