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Medication and Hair Loss: Which Ones, and What to Do
Which medications are associated with shedding, and the right next step.
Clinically reviewed by Dr. Nina Ross, NDServing all of Metro Atlanta
Quick answer
Several widely used medications are associated with hair shedding, including some blood thinners, beta blockers, retinoids, certain antidepressants, hormonal contraceptives, thyroid medications, anticonvulsants and weight loss medications.
Read the full answer
The mechanism is usually telogen effluvium, where a group of follicles shifts into resting phase and releases about two to three months later. That delay is why people rarely connect a new prescription to the shedding that follows.
The single most important thing to know: never stop or change a prescription on your own. Talk with the prescriber who knows your full picture. Meanwhile, a scalp read at 200x can confirm whether what you are seeing is shedding at all or something else running alongside it. Nina Ross Atlanta, Sandy Springs, serving all of Metro Atlanta.
- Shedding usually shows two to three months after a new medication.
- Never stop or change a prescription on your own.
- A 200x baseline makes the conversation concrete.
What you might be noticing
Symptoms in your words, and ours
Tap the one that sounds like you to see why it happens and how we figure it out.
01It started a couple months after a new prescription
Latency consistent with telogen effluvium✋🏾
Why it happens
Shedding two to three months after starting a medication fits the timing of telogen effluvium, the usual way medications affect hair.
How we figure it out
We line up your prescription dates with when the shedding started, and confirm the pattern at 200x.
02Shedding all over rather than a patch
Diffuse non-patterned loss✋🏾
Why it happens
Medication-related shedding is usually diffuse across the whole scalp rather than in one area.
How we figure it out
We compare several areas at 200x to confirm it is diffuse shedding and check for pattern thinning alongside it.
03More hair on the pillow and in the comb
Increased daily shed count✋🏾
Why it happens
A rise in daily shedding is commonly linked to more follicles than usual releasing from the resting phase together.
How we figure it out
We look at shed hairs and the follicles still growing, which tells us whether this is shedding or breakage.
04My hair feels thinner but looks normal at the roots
Reduced density with intact follicles✋🏾
Why it happens
Thinner hair with healthy-looking roots is common in shedding, because the follicles themselves are intact.
How we figure it out
We record hair thickness and density at 200x, so any change is measurable against your baseline.
05It settled after my dose changed
Improvement following medication adjustment✋🏾
Why it happens
Shedding that eases after a prescriber adjusts a dose supports the link, though the condition being treated can also play a part.
How we figure it out
We photograph the same points over time, so the effect of any change your prescriber makes is visible.
What causes it
What is actually driving it
- 01
Telogen effluvium from a medication
The medication pushes follicles into resting phase. The shed appears two to three months later and usually settles once the driver is addressed.
- 02
The condition being treated
Thyroid disease, autoimmune conditions and depression can all affect hair themselves, so the medication is not automatically the cause.
- 03
Nutrient effects
Some medications affect absorption of iron, zinc or B vitamins, and that depletion can extend a shedding episode.
What we see that others miss
A baseline makes the prescriber conversation concrete
Medication-related shedding is judged largely on timing, and timing is hard to argue from memory.
We photograph the same scalp points at 200x and record hair caliber and density, so if your prescriber adjusts something, the effect is measurable rather than anecdotal.
That baseline is also what rules pattern thinning in or out, which changes what you should be asking about in the first place.
How we treat it
What care looks like here
We confirm at 200x whether this is a shedding pattern, a pattern thinning, or both, then look at nutrient status in-house. Your report gives you something concrete to bring to your prescriber, which is far more useful in that conversation than a description of what you have been noticing. Nobody here will advise you to stop a medication.
- 01Confirm the pattern at 200x
- 02Check nutrient status in-house
- 03Give you a baseline for your prescriber
IV Nutrient Therapy
Targeted nutrient support when your labs show what the follicle is missing.
One visit. Real answers.
The $99 Hair & Body Discovery
No prepOne visitYour time, your pickNo judgmentServing all of Metro Atlanta
- One-on-one scalp health session with a certified trichologist
- 200x magnification read of your scalp, on screen, while you watch
- A full-body biofeedback scan
- Your Hair & Body Discovery Report, delivered the next day
Our promiseYou'll leave actually seeing what's happening, your scalp at 200x, the systems behind it, with your report the next day. If you don't, the $99 is on us.
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You are welcome here
We are well-versed in us.
Being told hair loss is a normal side effect and left there happens often, and it happens more to Black patients. Your report is documentation you can take into that appointment.
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Related conditions
Often confused with this
Telogen Effluvium
Sudden diffuse shedding, usually about three months after a trigger.
Hormonal Hair Loss
Four hormones do most of the work. When they move, your hair reports it.
Anagen Effluvium
Rapid loss during treatment. The follicles usually survive.
Questions, answered
Honest answers before you commit
Which medications cause hair loss?
Associations have been described with some blood thinners, beta blockers, retinoids, certain antidepressants, hormonal contraceptives, thyroid medications, anticonvulsants and weight loss medications. Association is not certainty for your case.
Should I stop taking it?
No. Never stop or change a prescription on your own. Medication decisions stay with your prescriber. Our role is identifying the pattern and giving you a clear baseline to bring to that conversation.
How long after stopping does hair come back?
If a prescriber changes a medication, shedding from telogen effluvium usually settles over the following months. Your baseline photos show whether it is. Results not typical. Individual results will vary.
How do I know it is the medication and not something else?
Timing is the main clue, and the condition being treated or a nutrient gap can also play a part. The 200x read and your history help separate them.
What is worth doing in the meantime?
Get a baseline, check nutrient status, and support the scalp while you and your prescriber decide on next steps.
Let's find out what your hair is trying to tell you.
You'll see it, or the $99 is on us. Serving all of Metro Atlanta.
Nina Ross Atlanta, 8735 Dunwoody Place, Suite 290, Sandy Springs, GA 30350. Monday to Saturday, 10:00 AM to 3:30 PM.