Even if you pay attention to your condition, it sometimes happens that you don't feel well. You may need to know how to express your condition in Japanese. *() means (formal) or (casual / formal)
24 Japanese Phrases You Should Know When You're Not Feeling Well
General Expressions of Your Condition
| 気分が悪い（です）。 |
| I’m not feeling well. |
| 体調が良くない（です）。 |
| I'm under the weather. |
When it comes to the difference between 気分 and 体調, you can figure this out by looking at the Kanji. 気 means "feelings" and is suitable for nausea, dizziness, etc. 体 means "body" and is suitable for headache, stomachache, fever, etc.
Note: Japanese Vocabulary
具合 and 調子 can be translated as "condition" and be used in the same way; 「調子 or 具合 が悪い」 and 「調子 or 具合 が良くない」. However, they have other meanings and can be used in other contexts. Therefore, we recommend you to memorize the above two phrases for the time being.
Specific Expressions of Your Condition
| 寒気が（する / します）。 |
| I feel chilly. |
| 鼻づまり（です）。 |
| I have a stuffy nose. |
| 胸焼けが（する / します）。胸 がムカムカ（する /します）。 |
| I have heartburn. |
| インフルエンザに（かかった / かかりました）。 |
| I caught the flu. |
| 風邪を（ひいている / ひいています）。 |
| I have a cold. |
| 熱が（ある / あります）。 |
| I have a fever. |
| ３８度の熱が（ある / あります）。 |
| I have a temperature of 38 degrees. |
| 咳が（出る / 出ます）。 |
| I have a cough. |
| 鼻水が（出る / 出ます）。 |
| I have a runny nose. |
| 吐き気が（する / します）。 |
| I feel nauseous. |
| 吐きそう（です）。 |
| I’m about to vomit. |
| めまいが（する / します）。 |
| I feel dizzy. |
| 食欲がない（です）。 |
| I have no appetite. |
| 下痢をして（いる / います）。 |
| I have diarrhea. |
| 喉が痛い（です）。 |
| I have a sore throat. |
| 頭が痛い（です）。 |
| I have a headache. |
| お腹が痛い（です）。 |
| I have a stomachache. |
| 関節が痛い（です）。 |
| I have joint pain. |
Making a Request When You're Not Feeling Well
| 少し休めるところはありませんか？ |
| Is there a place to rest for awhile around here? |
| お薬をもらえますか？ |
| Could you give me some medicine? |
| 救急車を呼んでもらえますか？ |
| Could you call an ambulance? |
| 近くの病院の場所を教えてもらえますか？ |
| Could you direct me to the nearest hospital. |
When You Get Well
| （体調が）良くなって（きた / きました）。 |
| I'm getting better. |
| （体調が）良く（なった / なりました）。 |
| I got better. |
| 完全に（治った。 / 治りました）。 |
| I'm fully recovered. |
Conclusion
We hope that you will never use these phrases. However, when necessary please utilize the above list to express "I'm not feeling well" in Japanese in place.
Recommended Links
How to Make a Phone Call in Japanese
Shopping in Japanese, 25 Phrases Travelers Should Know
How to Say "Don’t Worry about It" in Japanese
15Ways of Saying "I’m late" in Japanese
Japanese Phrase Book: 18 Phrases All Japanese Beginners should Know
Japanese Greetings: 30 Phrases You Need to Know
