Medically Necessary Liquids on a Plane: TSA Exemption Rules
Volume & Exemption Status
Medically Exempt — Permitted in Reasonable Quantities
Governed by international 100 ml (3.4 fl oz) LAGs regulations
💧 Calcolatore Regola Liquidi 3-1-1
Un sacchetto trasparente da 1 litro per passeggero; ogni flacone deve avere capacità massima di 100 ml (3.4 oz).
Calcolo indicativo — la forma dei flaconi determina la capienza effettiva. Medicinali e cibo per neonati sono esenti (da dichiarare). Stai preparando l’intero sacchetto? Pianifica flacone per flacone →
TSA & Aviation Security Rule Summary
Medically necessary liquids, gels, and aerosols (including insulin, liquid prescriptions, eye drops, saline, and enteral nutrition) are explicitly exempt from the 3-1-1 100 ml container limit in reasonable quantities for your itinerary. Declare them to the screener before X-ray.
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Frequently Asked Questions
Do I need a doctor letter to bring liquid medication over 100 ml?
A doctor letter is not strictly required by TSA for domestic US flights, but prescription pharmacy labels are strongly recommended to expedite screening.