Thai food with a crustacean allergy

Shrimp paste is a foundational Thai seasoning, present in many curry pastes, sambals and dressings where no shrimp is visible — so a crustacean allergy in a Thai restaurant is mainly a question about the paste jar, not about the protein you order.

Last updated:

How Thai kitchens work

Thai cooking leans on peanut, fish sauce and shrimp paste as base seasonings rather than as toppings, which makes it demanding for peanut, fish and crustacean allergies and comparatively straightforward for milk and gluten if the soy sauce question is handled.

Thai dishes that often contain crustaceans

Patterns worth checking, not a list of dishes to rule out.

  • Red and green curry pastes, nam prik and many chilli dips
  • Som tam, fried rice and noodle dishes seasoned with dried shrimp
  • Tom yum goong and seafood-based soups and stocks
  • Anything from a fryer that handles prawn crackers or prawn spring rolls

Dishes that often work

Starting points for a conversation with the kitchen. No dish is safe by category — it depends on that kitchen's ingredients and equipment.

  • Dishes built on a vegan curry paste, where the venue stocks one
  • Plain steamed rice, stir-fried vegetables and clear vegetable soups
  • Grilled chicken or pork with a confirmed shellfish-free marinade
  • Fresh rolls assembled to order without dried shrimp

What to ask

Questions that produce a usable answer rather than a reassurance.

  • Does the curry paste contain shrimp paste or dried shrimp?
  • Do you have a vegan curry paste, and is it used for my order?
  • Is the fryer shared with prawn crackers or prawn items?

Common questions

Do vegetarian Thai dishes contain shrimp paste?

Sometimes, yes — a dish can be described as vegetarian while its curry paste carries shrimp paste and fish sauce, because the kitchen is thinking about visible meat. Ask for the vegan version specifically, which is normally free of both.

Is prawn cracker oil a problem?

Yes. Prawn crackers fry in the same oil as much else in a Thai kitchen, so anything deep-fried should be treated as shellfish-exposed unless the venue keeps a separate fryer.

Is fish sauce a crustacean risk?

Fish sauce is made from fish, but many regional versions and household blends also include shrimp. If you react to both, ask about both; if only to crustaceans, ask what the specific bottle contains.

Advisory, not medical advice

MealSafe is a planning aid, not medical advice. AI-generated assessments can be incomplete or wrong, and ingredients and kitchen routines change without notice. Always confirm with the kitchen, the producer or the label before you eat, and follow the advice of your own clinician.