Hair Falling Out After Starting Medication? Here’s Why That’s Normal

Welcome to Skin Insights by YSBB.

Have you ever noticed more hair falling out shortly after starting hair loss treatment?

It’s common to worry--

“Is the medication not working for me?” “Could the treatment be making my hair loss worse?”

These concerns often lead patients to stop treatment prematurely. But what you're experiencing might just be a temporary and expected response known as the shedding phase.

Today, we’ll explain what shedding really means, why it happens, and why you don’t need to panic.

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1. What Is the Shedding Phase?

Shedding refers to a temporary increase in hair fall that can occur in the first few weeks of hair loss treatment. It is most often triggered by oral or topical medications, not by procedures like scalp injections or PRP.

• Starts 2 to 6 weeks after beginning treatment
• Noticeable loss of thicker, longer hairs
• Sudden increase in shedding during shampooing or brushing

Important: Shedding is not a side effect or a sign of failure. It is a natural part of how effective treatments work.

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2. Why Does More Hair Fall Out After Starting Treatment?

Hair loss medications stimulate the follicles to shift from the resting (telogen) phase into a new growth cycle. In doing so, they push out older, weaker hairs to make room for healthier ones.

• This transition is a sign that your treatment is working.
• Shedding signals that new, stronger hair is about to emerge.

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3. Should I Stop Treatment if Shedding Happens?

Absolutely not. Shedding usually lasts 2 to 4 weeks, after which hair gradually becomes thicker, fuller, and more voluminous. Stopping treatment during this phase can interrupt the positive cycle of hair regrowth.

• Stress over shedding may worsen hair loss.
• Continue treatment under the guidance of a dermatologist.
• At YSBB Skin Clinic, we monitor shedding closely and adjust your plan as needed, including dose and supplemental options.

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4. Can Shedding Be Minimized?

While not all shedding can be prevented, it can be eased through the right approach:

• Gradual adjustment of medication dosage at the start
• Combining with nutritional supplements, scalp injections, or mesotherapy if needed
• Visit a dermatologist if shedding persists for too long or comes with discomfort

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Final Thoughts

Shedding is not a setback—it’s the beginning of progress. As old hair falls out, new and healthier strands prepare to take their place. Don’t let early shedding discourage you.

At YSBB Skin Clinic, we understand the shedding process and design customized treatment plans to support every stage of your recovery.

Shedding isn't the start of fear—it’s the start of recovery.

YSBB Skin Clinic, Seoul, Korea