Changing, Pausing or Stopping Hormones
Very few people stay on exactly the same prescription for life. Doses get adjusted as blood results come back, forms change as your health or your budget changes, and some people pause hormones for a while or stop altogether. All of that is ordinary. What causes trouble is doing it without a plan, or without telling the person who reads your blood tests.
This page covers the four kinds of change: adjusting the dose, switching form, pausing for a reason such as surgery or fertility, and stopping, whether for a while or for good. People stop for all sorts of reasons, and none of them needs defending here. The aim is that whatever you decide, you know what your body is likely to do and what to ask for.
On this page
Changing the dose
Dose changes are most common in the first year, while your prescriber is matching the dose to your blood results and how you feel. After that they tend to come with life changes: age, weight, a new medicine, a health problem, or surgery that removes the testes or ovaries.
A few things are worth knowing:
- Levels take time to settle. After a change, most prescribers wait somewhere between a few weeks and a few months before rechecking bloods, depending on the form. A test too soon reflects the old dose as much as the new one.
- Higher isn't faster. On either direction of HRT, pushing levels above the target range mostly adds side effects and risk, not speed. The body develops at its own pace.
- Lower can be a goal too. Some people ask for less once they have the changes they wanted, or to reduce side effects. That's a normal request; non-binary and low-dose HRT covers what a lower dose does.
Changing your own dose without telling anyone is the one to avoid. It makes your next blood result impossible to interpret and can send your prescriber in the wrong direction.
Switching form
Switching from tablets to patches, from fortnightly injections to weekly ones or to gel, or from one anti-androgen to another, is one of the most common changes there is. The usual reasons are:
- Risk. Clot risk on oral estrogen as you get older, or if you start smoking or develop a clotting problem, often leads to a move to patches or gel. High hematocrit on testosterone often leads to smaller, more frequent injections or a gel.
- Side effects, such as mood swings that follow an injection cycle, skin reactions to patches, or potassium problems on spironolactone.
- Practical reasons: cost, a shortage, a move to a country where your form isn't sold, or simply that a daily gel doesn't fit your life.
Each form gives a different pattern of levels across the day or week, so the same "dose" isn't directly comparable between them. Expect a blood test a few weeks to a couple of months after a switch, and give it that long before judging how you feel. Estrogen and testosterone set out how each form behaves.
Before you switch
Ask your prescriber when your first blood test on the new form should be, and how the timing of the test relates to your dose. Getting that right the first time saves a second round of guessing.
Pausing
A pause means stopping for a set time with a plan to restart. The common reasons are:
- Surgery. Some surgeons ask you to pause estrogen before an operation because of clot risk; many now don't, and testosterone is rarely paused. Hormones and surgery covers how that's decided.
- Fertility. Some people pause to bank sperm or eggs after they've started, or to try for a pregnancy. Whether function returns, and how long it takes, varies a lot. Fertility covers it.
- Illness. A blood clot, a stroke or some liver and heart problems may lead a doctor to stop estrogen, at least until things are investigated. Pregnancy means stopping testosterone straight away.
During a pause your body's own hormones, if your testes or ovaries are still there, start to come back over weeks. On feminizing HRT that can mean erections, body hair and skin oil returning; on testosterone, periods can come back within a few months. That's the reversible end of the picture moving temporarily, not lost progress, and most of it settles again once you restart.
If your testes or ovaries have been removed, a pause leaves you with very little sex hormone at all. Short pauses around surgery are routine; longer ones need a plan from your prescriber because of bones and mood.
Stopping
People stop hormones because they've got the changes they wanted, because of a health problem or side effects, because they've lost access, because of pressure from family or a job, or because they've changed their mind about transition. All of those happen. A prescriber should treat any of them as a health conversation, not a moral one, and if yours doesn't, you're entitled to look for one who does.
What happens next depends on what you've been taking and for how long:
- Changes that build new tissue usually stay: breast tissue on estrogen, a deeper voice, facial and body hair and genital growth on testosterone.
- Changes that depend on the hormone being there drift back over months: skin, fat distribution, muscle, libido, and on testosterone, periods.
- Fertility is the uncertain one. It may come back, partly or fully, or it may not.
Which changes from hormones are permanent? has the full list for each direction.
Stopping suddenly isn't usually dangerous in the way stopping some medicines is, but it often doesn't feel good. As your levels fall, hot flushes, night sweats, low mood, irritability and tiredness are common for a while. Some prescribers suggest bringing the dose down over a few weeks to soften that. Mood is worth watching closely; mental health on HRT covers how to tell what's behind a change.
If your testes or ovaries have been removed, stopping completely isn't neutral. Your body still needs some sex hormone for bone strength and general health, and a prescriber will usually suggest continuing a low dose of one or the other. Long-term health covers bone density.
If you're thinking about stopping
Book a conversation with your prescriber before you stop, even if your mind is made up. You can talk through how to come down, what to watch for and whether you need anything for bone health, and your records will show the change was planned.
Restarting
Restarting after a pause or a longer break is common, and it's usually simpler than starting the first time. Expect a fresh set of baseline blood tests, a conversation about anything that has changed in your health, and often a slightly cautious first dose with a recheck a couple of months in.
Changes that faded during the break generally return on roughly the same timescale they took the first time. Permanent changes are still there. If you stopped because of a side effect or a health problem, the restart is a chance to try a different form or dose rather than going straight back to what caused it.
If you've been without a prescriber, many informed-consent services will restart someone who has taken hormones before, and some will ask for records of your previous prescription. Bring whatever you have.
General information, not medical advice. Don't change, pause or stop hormones without talking to your prescriber first.
Frequently asked questions
Is it dangerous to stop HRT suddenly?
Not usually in the immediate sense, but falling levels often bring hot flushes, low mood and tiredness, and without testes or ovaries it affects bone health. See stopping.
Do I have to stop estrogen before surgery?
It depends on your surgeon and your risk factors. Many no longer ask for a pause; some do. See pausing.
Will my periods come back if I stop testosterone?
For most people with a uterus and ovaries, yes, often within a few months. See pausing.
How long after a dose change should I get a blood test?
Commonly a few weeks to a few months, depending on the form. Ask your prescriber for the timing. See changing the dose.
If I restart, will I have to go through the whole assessment again?
Usually not. Expect new baseline blood tests and a review, but restarting is generally simpler than starting. See restarting.