Yes, hair loss is a recognized side effect of Wellbutrin (bupropion), though it’s uncommon. The FDA classifies it as “infrequent,” meaning it affects somewhere between 1 in 100 and 1 in 1,000 users. Among all commonly prescribed antidepressants, bupropion actually carries the highest relative risk of hair loss.
How Wellbutrin Compares to Other Antidepressants
A large population-based study compared hair loss rates across ten widely used antidepressants and found that bupropion stood out. Every other antidepressant in the study carried a lower risk. Fluoxetine (Prozac) and paroxetine (Paxil) had the lowest risk, roughly 32% less likely to cause hair loss than bupropion. Even fluvoxamine, the closest competitor, still trended lower.
To put the numbers in perspective, the study calculated that for every 242 people taking bupropion instead of fluoxetine over two years, one additional person would experience hair loss. That’s a small absolute number, but it’s a real and measurable difference. If hair loss is a major concern for you and you’re weighing antidepressant options, SSRIs and SNRIs generally carry less risk on this front.
What This Type of Hair Loss Looks Like
Medication-related hair loss typically follows a pattern called telogen effluvium. Instead of hairs falling out at the root or in patches, the drug pushes a larger-than-normal percentage of hair follicles into their resting phase at the same time. A few months later, those resting hairs shed all at once. You’ll notice more hair in your brush, in the shower drain, or on your pillow, and your hair may feel thinner overall rather than falling out in clumps.
This shedding usually begins two to four months after starting Wellbutrin. Some people notice thinning closer to the three- or four-month mark. The delay is what makes it tricky to connect to the medication, since you may not immediately link the hair loss to a pill you started weeks earlier.
Does the Hair Grow Back?
In most cases, yes. This type of hair loss is temporary. If you stop taking bupropion, hair growth typically resumes within about six months without any additional treatment. Full recovery, where your hair returns to its previous thickness, can take six to twelve months after the shedding stops.
For some people, the body adjusts to the medication on its own and the shedding slows down even without stopping the drug. However, if hair loss continues beyond six months while still taking Wellbutrin, it may not resolve on its own and is worth discussing with your prescriber.
What You Can Do About It
If you’re noticing more hair loss than usual and you’re on Wellbutrin, you have a few practical options. Reducing the dose sometimes helps, since a lower dose may be enough to ease the shedding while still managing your symptoms. Switching to a different antidepressant is another common approach, particularly to one with a lower hair loss profile like fluoxetine or paroxetine. These are conversations to have with whoever prescribes your medication, since stopping or changing an antidepressant abruptly can cause its own problems.
While you’re figuring out next steps, protecting the hair you have makes a difference. Use gentle shampoos and conditioners, ideally sulfate-free. Avoid heat styling tools and chemical treatments that stress already-vulnerable hair. Scalp massage can help with blood circulation to the follicles. A balanced diet with enough protein, iron, and B vitamins supports hair growth from the inside.
Other Factors Worth Ruling Out
Hair loss has dozens of possible causes, and starting a new medication can coincide with other triggers. Depression itself is associated with hair shedding, as are stress, nutritional deficiencies, thyroid problems, hormonal shifts, and seasonal changes. If you started Wellbutrin during a period of high stress or major life change, the medication may not be the only factor at play.
Tracking when the shedding started relative to when you began the medication helps clarify the connection. That two-to-four-month window is a strong clue. If your hair loss started before you began Wellbutrin, or well after you’d been on a stable dose for many months, other causes become more likely.