Osmotic Laxative (OTC)Generally Approved

Polyethylene Glycol 3350

Brand names: MiraLAX|Last verified: 2026-03-01

FAA Pathway: Generally acceptable — no grounding required

MiraLAX is an OTC osmotic laxative generally acceptable for pilots. No systemic absorption. Ensure you are not experiencing active GI symptoms while flying.

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Pilot Tip

Always report all medications on your FAA medical application (Form 8500-8, Item 17a), even OTC medications. Failure to disclose is a far bigger issue than the medication itself.

Certification Details

Wait Period
None
Certificate Classes
All classes eligible
Notes
Minimal systemic effects; do not fly with active GI illness

Sources

  • FAA OTC Medication Guide

Last verified: 2026-03-01

Frequently Asked Questions

Is Polyethylene Glycol 3350 allowed for pilots?

The FAA considers Polyethylene Glycol 3350 (MiraLAX) to be "Generally Approved" for medical certification purposes. MiraLAX is an OTC osmotic laxative generally acceptable for pilots. No systemic absorption. Ensure you are not experiencing active GI symptoms while flying.

What is the FAA status of Polyethylene Glycol 3350?

Polyethylene Glycol 3350 has a status of "Generally Approved" under FAA medical certification policy. The certification pathway is: Generally acceptable — no grounding required.

Can I fly while taking Polyethylene Glycol 3350?

Polyethylene Glycol 3350 is generally compatible with flying. However, you must report it on your FAA medical application (Form 8500-8) and ensure you are not experiencing side effects that could impair flight safety. Always consult your Aviation Medical Examiner (AME).

Important Notice

The FAA does not publish a comprehensive list of “approved” medications. The information on this page represents our interpretation of publicly available FAA guidance and is provided for informational and educational purposes only. It does not constitute medical advice, legal advice, or a guarantee of certification outcome.

The primary issue with the FAA is always whether the underlying medical condition — not just the medication — is compatible with safe flight. You should only start, stop, or change medications after consulting your treating physician. Always consult with a qualified Aviation Medical Examiner (AME) for guidance specific to your situation. FAA policies are subject to change. ClearedMed is not affiliated with or endorsed by the FAA.