飛行機にInhalerを持ち込める？
Yes — you can bring inhaler on a plane in your carry-on luggage. Carry-on: allowed, medically necessary aerosol exemption.
- · Carry-on: allowed, medically necessary aerosol exemption
- · Declare it if over 3.4 oz or asked
- · Labeling recommended, not required
- · Spacer chambers: allowed too
On this page · 6 sections
航空保安当局別の公式規定
Rules by security authority
United States — TSA
Carry-on
Yes
Yes — inhalers are allowed in carry-on; as medication they are exempt from the 3.4 oz limit when declared.
Checked bag
Yes
Allowed — but keep it in the cabin with you, always.
Flying internationally? Security follows the country you depart from — the authority above applies at your departure airport. Customs at arrival is separate.
例外規定・特別措置
Medically necessary exemption: Not subject to the 3.4 oz (100 ml) liquid limit. Declare to the screening officer at the checkpoint.
Inhalerのパッキング注意点
機内持ち込み手荷物: Yes — inhalers are allowed in carry-on; as medication they are exempt from the 3.4 oz limit when declared.
受託手荷物（預け荷物）: Allowed — but keep it in the cabin with you, always.
保安検査場での最終的な持ち込み可否判断は、現場の保安検査員に委ねられます。
よくある質問 (FAQ)
Frequently asked questions
Can you bring an Inhaler in a carry-on?
Yes — inhalers are allowed in carry-on; as medication they are exempt from the 3.4 oz limit when declared.
Can you pack an Inhaler in checked luggage?
Allowed — but keep it in the cabin with you, always.
Last verified:
Verified against official sources. Rules change — for high-stakes items, confirm with your airline and the screening authority. Our verification method →