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Traveler's diarrhea is very common. Have you been drinking tap water or eating street food?

How frequent are the bowel movements? Any blood, fever, or severe cramps?

This sounds like a typical case. The most important thing is to stay hydrated. I recommend oral rehydration salts — you can buy them at any pharmacy.

Loperamide can slow it down for short-term relief — useful if you need to travel. But if symptoms last more than 3 days or you develop fever, we may need antibiotics.

You should be improving by then. Take Loperamide before the flight, stay near the aisle, and keep hydrating. Bring extra rehydration packets for the plane.

Imodium — that's loperamide — is the most effective over-the-counter option. Take two tablets at first, then one after each loose stool. Don't exceed 8 tablets in 24 hours.

Yes, right here. Dissolve one packet in a liter of bottled water. Drink it throughout the day. This will replace the electrolytes you've lost.

Avoid dairy products, spicy food, alcohol, caffeine, and high-fiber foods. Stick to plain rice, crackers, and bananas until symptoms improve.

Probiotics can help restore your gut bacteria. I'd recommend taking them after the acute phase passes — so once the diarrhea slows down. This brand is popular for travel.

Imodium is $9, rehydration salts $6 for a box of 10, and probiotics $15. Total $30. Would you like a bag?