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Feeling Unwell and Medicine on a Back-to-Back: What the Line’s Policy Says

A back-to-back is a long time away from your own pharmacy. Here is what Royal Caribbean’s health policy says about medicine, symptoms and boarding. This is not medical advice.

Leg to Leg Cruises Oct 22, 2026 · 5 min read

Royal Caribbean says to bring enough medicine for the whole voyage, plus several extra days, and to carry it in your hand luggage. On a back-to-back, the voyage you pack for is both legs. This guide only repeats what the line’s policy says. It is not medical advice. For your own health ask your doctor, and for seasickness or travel health use an official source such as the CDC travel health pages.

Plain-words background from Royal Caribbean Group’s Guest Health, Safety and Conduct Policy, updated 17 September 2025 and read on 11 October 2026. The policy can change without notice, and the line says it will pass on the rules for each voyage before sailing.

Medicine

  • Bring enough. The policy says to bring an adequate supply for the entire voyage, and recommends several extra days past the end date in case of delays, for example from weather.
  • Do not pack it in checked bags. Carry it in your hand luggage, so it is always with you. See luggage between legs.
  • The ship may not have yours. The medical center on board may not stock the medicine you need, and not every medicine is sold in every port.
  • Marijuana is not allowed, even in medical form, according to the policy.

If you feel ill

The policy says a guest with any symptoms of a contagious illness, however mild, including vomiting or diarrhea, must go straight back to the stateroom and call the ship’s medical center. It asks you to report symptoms for anyone in your travel party too. It also says the line may confine you to your stateroom or move you to a different one set up for isolation, and that failing to report is a breach of the policy.

Boarding when you are unwell

The policy says Royal Caribbean can refuse boarding to anyone showing symptoms of a contagious illness, or whose health screening shows they may have one, and may also refuse people it judges to be close contacts. Guests removed from a ship or refused boarding pay for their own stay and trip home. It also says a security screening and a security photo come before boarding.

What it means for two legs

The policy does not talk about back-to-backs or about guests who stay on board. Our reading is that checks and rules apply on each sailing, so you could meet them again on turnaround day. Ask Guest Services on the day what is expected of stay-aboard guests. The line says it will tell you about any extra health steps before you sail and during the cruise.

  • Count your doses for both legs plus the extra days, not one leg.
  • Keep a list of your medicines with you, with the names and doses.
  • Seasickness and sea days. The pages we saved give no advice on these. Ask your doctor, and use the official health source linked above.

Plan for it

  1. Count the nights of both legs and add several days.
  2. Pack medicine in your hand luggage, not in a checked bag.
  3. Write down the ship’s medical center number once you board.
  4. Ask your doctor about anything you need for a long trip away.
  5. Use legtolegcruises.com to find the two legs.

Sources

Royal Caribbean Group, Guest Health, Safety and Conduct Policy, sections on health, reporting, quarantine, security screening and medication. Read 11 October 2026. How it applies to two legs is our reading and is marked. This guide gives no medical advice.

The legtolegcruises.com Logbook is independent editorial and is not affiliated with Royal Caribbean International or Club Royale. Offers, fares, and program rules vary and change often; confirm every detail with Royal Caribbean before you book.