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Yes, most airlines let small dogs fly in-cabin in an approved carrier; larger dogs may go as cargo, and trained service dogs fly free.

Yes, you can bring a blood pressure monitor on a plane; pack it in carry-on and keep spare lithium batteries in the cabin.

Yes, you can bring cremated remains on a plane if the urn can be X-rayed and you follow your airline’s rules and local paperwork.

Yes, a double stroller can fly—most airlines let you gate-check one per child free; big non-collapsible strollers usually go to the ticket counter.

No, liquids over 3.4 oz (100 ml) can’t go in carry-on; only medicine, baby needs, breast milk, and sealed duty-free are allowed.

Yes, you can bring a Birdie personal alarm on a plane; keep it off with the pin in, and carry spare coin batteries in your carry-on.

Yes, birth control pills are allowed on planes; pack them in carry-on and keep labels for smooth screening.

Yes—mouthwash is allowed: up to 3.4 oz (100 ml) in your quart bag carry-on, and larger bottles in checked bags within FAA toiletry limits.

Yes, TSA lets you bring solid mints in carry-on and checked bags; breath sprays count as liquids under the 3-1-1 rule.

Yes, you can bring a DSLR on a plane—carry it in your hand luggage; keep spare lithium batteries in carry-on and be ready to remove it for screening.