Meaning & ConjugationB1

Chiryohada Conjugation: 치료하다 Meaning, Forms & Examples

To treat in Korean is 치료하다 (chiryohada), a 하다 verb meaning to give medical treatment to a patient or an illness, as in 환자를 치료하다.
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Korean, at a Glance

치료하다

Key Facts

  • Hangul: 치료하다 (chiryohada)
  • Meaning: to treat
  • Level: B1
  • Syllables: 4 (치 · 료 · 하 · 다)
  • Stem: 치료하
  • Conjugation class: 하다 type
  • Object marking: transitive
  • Polite present: 치료해요

What Does 치료하다 Mean?

Sense How it is used
to treat Give medical treatment to a patient or illness, as in 환자를 치료하다.
to have treated With the injured part as the object, a patient can say 다친 다리를 치료했어요; with no object, use 치료를 받다.

The patient or illness takes 을/를, as in 상처를 치료하다. The word is fairly formal and sits with medical words such as 환자, 상처 and 병. From the patient's side, the clearest phrase is 치료를 받다 (to receive treatment).

How Do You Pronounce 치료하다?

Chiryohada has 4 syllables (치 · 료 · 하 · 다) and is said as it is spelled.

How Do You Use 치료하다 in a Sentence?

의사가 환자를 치료해요.

The doctor treats the patient.

치료해요 is the polite present form.

병원에서 다친 다리를 치료했어요.

I had my injured leg treated at the hospital.

치료했어요 is the polite past form.

일찍 치료하면 금방 나아요.

If you treat it early, it gets better quickly.

치료하면 is the if (conditional) form.

Usage Notes

The doctor and patient appear in the first example, 의사가 환자를 치료해요. In the second, 병원에서 다친 다리를 치료했어요 marks the place of treatment with 에서 and the injured part as the object. The conditional 일찍 치료하면 금방 나아요 links early treatment with fast recovery. For fixing an object or a habit, Koreans use 고치다 instead.

How Does Chiryohada Conjugation Work?

치료하다 (to treat) follows the 하다 pattern: the 하 of the stem 치료하 meets 여 and contracts to 해, which gives 치료해요 and 치료했어요. The short negative of 치료하다 (to treat) is 치료 안 해요, with 안 placed after the noun part; see negating 하다 verbs.

The pattern behind 치료하다 (to treat) is taught step by step in 하다 to 해요.

치료하다

하다 · 치료하
FormKoreanRomanizationRule
Polite present치료해요
Polite past치료했어요
Polite future (plan)치료할 거예요
Polite future (intention or guess)치료하겠어요
Formal present치료합니다
Formal past치료했습니다
Formal future치료할 것입니다
Casual present치료해
Casual past치료했어
Casual future치료할 거야
Want to (polite)치료하고 싶어요
Honorific polite치료하세요
Because / and then치료해서
If (conditional)치료하면
Present modifier (before a noun)치료하는
Past modifier (before a noun)치료한
Future modifier (before a noun)치료할
Negative with 안 (short)치료 안 해요
Negative (long form)치료하지 않아요

Before a noun, 치료하다 (to treat) becomes 치료하는 (present) or 치료한 (past); as a link between clauses it is 치료해서 for 'because' and 치료하면 for 'if'.

Sound Changes

Form Korean Sounds like
Polite past 치료했어요 [치료해써요]
Future (plan) 치료할 거예요 [치료할꺼예요]
Future (guess) 치료하겠어요 [치료하게써요]
Formal present 치료합니다 [치료함니다]
Formal past 치료했습니다 [치료핻씀니다]
Formal future 치료할 것입니다 [치료할꺼심니다]
Casual past 치료했어 [치료해써]
Casual future 치료할 거야 [치료할꺼야]
Want to 치료하고 싶어요 [치료하고 시퍼요]
Long negative 치료하지 않아요 [치료하지 아나요]

Common Mistake

Wrong: ✗ 병원에서 치료해요 (used to mean 'I get treated')

Correct: ✓ 병원에서 치료를 받아요

Why: With no object, 병원에서 치료해요 sounds as if you treat patients at the hospital. A patient says 치료를 받아요; with the injured part named, 다리를 치료했어요 also works, as in the second example.

치료하다 Versus Similar Words

Word How it differs
낫다 낫다 is to heal or recover by itself; 치료하다 is to actively treat with medicine or care.
고치다 고치다 is to fix objects or habits and can be used for illness informally; 치료하다 is the proper medical word.

Discussing a Hand Injury at a Clinic

A patient has come to a clinic after hurting a hand. The doctor describes the treatment, and the patient asks about the plan.

Doctor

어디가 아파요?

Eodiga apayo?

Where does it hurt?

Patient

손을 다쳤어요.

Soneul dachyeosseoyo.

I hurt my hand.

Doctor

오늘은 상처를 치료해요.

Oneureun sangcheoreul chiryohaeyo.

Today we’ll treat the wound.

Patient

여기서 치료할 거예요?

Yeogiseo chiryohal geoyeyo?

Will you treat it here?

The doctor is the person doing the treating, so 치료해요 and 치료할 거예요 describe the doctor’s action. 상처를 names the wound being treated. The patient’s last question leaves out both the doctor and the wound because the situation supplies them. Korean often omits those details after they are established.

How Do You Tell Who Receives Treatment?

치료를 하다 means to give treatment, while 치료를 받다 means to receive it. The noun 치료 stays the same, but the following verb changes the person's role. In a hospital conversation, this difference can be more useful than choosing between present and past endings.

The existing sentence about having an injured leg treated names the body part as the object. That allows the patient to describe arranging or undergoing care. When you simply want to report your own hospital visit, 치료를 받다 makes the receiving role clearer. It avoids making the listener work out whether you are a patient or a medical worker.

Treatment and recovery are also different ideas. 치료하다 describes an action taken to address an illness or injury. It does not by itself state that the person is now well. 낫다 describes getting better. Someone may still be receiving treatment after an earlier visit, so the past 치료했어요 should not automatically become “cured” in English.

Useful Treatment Phrases on Signs and Paperwork

  • 치료 중 — undergoing treatment / treatment in progress. 중 shows that the process is ongoing. The surrounding text tells you whose treatment is being discussed.
  • 치료 기간 — treatment period. 기간 concerns how long the course of care lasts. It is different from a single appointment time.
  • 치료비 — treatment costs. This names the cost of care. It does not tell you whether a particular charge is covered or already paid.
  • 물리 치료 — physical therapy. This names a type of treatment. It is a phrase you may meet on hospital department signs or appointment information.

These are literal medical collocations. The noun can appear on a sign without any conjugated form of 치료하다. Recognising costs through 치료비 and duration through 치료 기간 helps you identify what a document is discussing before reading the full sentence.

Which Grammar Choices Matter with 치료하다?

Use 에서 for the place where treatment happens, as in 병원에서, and 을/를 for the patient, illness, or injured part being treated. Those pieces answer different questions: where the action happens and what receives the care. Moving the body part into the location slot changes the structure of the sentence.

치료하는 and 치료한 describe different relationships to time before a noun. 치료하는 identifies ongoing or usual treatment activity, while 치료한 points to treatment that happened. Neither ending promises recovery. The action can be completed for that occasion while the person still needs further care.

Related word Meaning Useful distinction
환자 patient The person receiving medical care.
상처 wound A possible object of 치료하다.
진료 medical consultation / care Covers seeing a clinician; it is not always a specific treatment procedure.
치료비 treatment costs A practical word for bills and payment questions.

Use Korean health vocabulary for the surrounding clinic words. These phrases explain the language of care; they do not specify which treatment a particular injury needs.

Mini Drill: Build the Right Form

  1. Give the polite past of 치료하다.
  2. Choose 하다 or 받다 for a patient receiving care: 치료를 ____.
  3. Complete “at the hospital”: 병원____ 치료해요.
  4. Give the conditional “if someone treats it.”
Show drill answers
  1. 치료했어요.
  2. 치료를 받다. 받다 identifies the receiver.
  3. 병원에서 치료해요. 에서 marks where treatment happens.
  4. 치료하면. The conditional does not assert that recovery has occurred.

Quick Self-Test

  1. Does 치료했어요 necessarily mean “cured it”?
  2. Which noun names the person receiving medical care?
  3. What does 치료 기간 tell you about?
Show answers
  1. No. It reports treatment, without guaranteeing recovery.
  2. 환자, a patient.
  3. The treatment period: how long the course of care lasts.

Frequently Asked Questions

How Do You Say 'the Doctor Treats the Patient' in Korean?

의사가 환자를 치료해요. The patient or illness takes 을/를, as in 상처를 치료하다.

How Is 치료하다 (to treat) Different from 낫다?

낫다 is to heal or recover; 치료하다 is to actively treat with medicine or care. Treatment comes first and recovery follows: 일찍 치료하면 금방 나아요.

How Is 치료하다 (to treat) Different from 고치다?

고치다 is to fix objects or habits and is used for illness only informally; 치료하다 is the proper medical word.

Is 병원에서 치료해요 Correct for 'I Get Treated at the Hospital'?

Use 병원에서 치료를 받아요. Without an object, 병원에서 치료해요 sounds as if you are the one treating patients.

What Is the Polite past of 치료하다?

For 'to treat', the polite past is 치료했어요; the polite present is 치료해요 and the formal present is 치료합니다.

How Do You Say 'Not Treat' with 치료하다?

For 'not treat', the short negative is 치료 안 해요 and the long one is 치료하지 않아요.

What Should You Learn Next?

Try other forms of 치료하다 in the Korean verb conjugator, then continue with 낫다 (to recover). More entries like 치료하다 (to treat) sit together in the Korean verb dictionary.