What it means
Your voice is produced by air vibrating through the vocal cords. During puberty the larynx — the Adam’s apple — grows larger and the vocal cords lengthen and thicken. Longer, thicker cords vibrate more slowly, which produces a lower pitch.
What can vary
- It happens in steps. The larynx does not grow smoothly, so the pitch jumps rather than slides. This is what “cracking” is.
- Timing varies — usually somewhere between age 11 and 15, and sometimes not noticeably at all.
- Pitch and quality are different. Some people get a noticeably deeper voice; others barely change audibly. Both are normal.
- It may be uneven. The pitch can depend on how you use your voice that day, on sleep, or on how you feel.
- Adrenarche matters too. Voice change is driven mainly by testosterone, so it is generally less marked in people whose testosterone rise is smaller.
Possible explanations
If a voice does not change, it is usually simply a normal variation, or puberty has not progressed far enough yet. A clinician would consider a hormone condition only if there were other signs alongside it, such as absent or very delayed development elsewhere.
Persistent hoarseness has a different set of explanations and deserves its own appointment.
Warning signs
- Hoarseness lasting more than a few weeks, especially with pain when speaking or swallowing.
- A neck lump, difficulty swallowing, or unexplained weight loss.
- Any hoarseness alongside smoking or vaping — this combination needs checking.
What to do next
Nothing, if it is simply changing. Cracking is not a problem and does not need treating.
If you clear your throat constantly, that makes the cracking worse. Drink water instead.
If hoarseness persists, book an appointment and say how long it has been going on.
Self-care
- Do not force or push your voice. Yelling, screaming and throat clearing all strain the vocal cords.
- Stay hydrated. Dry air and dehydration make the throat feel raw.
- Avoid shouting during the change, particularly if you sing or perform.
- Warm drinks and not smoking or vaping help more than anything else.
When to seek help
Routine: “is this normal?”
Prompt: hoarseness lasting weeks, or any neck lump or swallowing difficulty.
Emergency: not typically.
How to talk about it
“My voice has been cracking a lot and I wanted to check it was normal.”
“I’ve been hoarse for a few weeks.”
That is the whole script. Clinicians hear it regularly.
Related articles
Sources
Public sources are linked so you can read the detail rather than take this site’s word for it. None of this has yet been reviewed by a qualified clinician — see how we handle medical review.
References
Where this comes from
Linked so you can check it against a recognised public health source rather than take this site's word for it.
- Puberty and adolescence — American Academy of Pediatrics American Academy of Pediatrics (opens in a new tab)
These are public sources from recognised health organisations, linked so you can read the detail rather than take this site's word for it. Reading them does not tell you whether any of it applies to you, and none of these articles has yet been reviewed by a qualified clinician. How we handle sourcing and review.