German Phrase
Sag dem Gastgeber Bescheid, wenn du Allergien hast.
Meaning
Tell the host that you have allergies. The sentence is a polite request to inform the person who is providing accommodation or food so they can accommodate your dietary needs.
When to use
Use this phrase when you are staying at a hotel, an Airbnb, a friend's house, or any situation where the host prepares meals and you need to alert them about food or environmental allergies.
✦Grammar Breakdown
SagdemGastgeberBescheid,wennduAllergienhast.
Imperative (Sag)
‘Sag’ is the du‑imperative of the verb ‘sagen’ (to say/tell). It is used for informal commands.
Dative case (dem Gastgeber)
‘Gastgeber’ receives the dative article ‘dem’ because the phrase ‘jemandem Bescheid sagen’ requires a dative indirect object.
Fixed phrase ‘jemandem Bescheid sagen’
Literally ‘to give someone notice’, it means ‘to let someone know’ or ‘to inform someone’.
Conditional clause (wenn … hast)
‘wenn’ introduces a conditional clause; the verb ‘hast’ stays in second‑person singular present.
Plural noun (Allergien)
‘Allergien’ is the plural of ‘Allergie’; it follows the verb ‘haben’ without an article.
🗨In Conversation
Sag dem Gastgeber Bescheid, wenn du Allergien hast.
Let the host know if you have allergies.
Ja, ich sage ihm gleich, dass ich gegen Nüsse allergisch bin.
Yes, I'll tell him right away that I'm allergic to nuts.
✕Common Mistakes
Sag den Gastgeber Bescheid, wenn du Allergien hast.
‘Gastgeber’ must be in dative after ‘jemandem Bescheid sagen’, so use ‘dem Gastgeber’.
Sag dem Gastgeber Bescheid, wenn du hast Allergien.
In German the noun follows the verb in a clause; correct order is ‘Allergien hast’.
Sag dem Gastgeber Bescheid, falls du Allergien haben.
The verb must be conjugated to match the subject: ‘hast’, not the infinitive ‘haben’.
↔Alternatives
Informiere den Gastgeber, falls du Allergien hast.
Inform the host if you have allergies.
Gib dem Gastgeber Bescheid, wenn du allergisch bist.
Give the host a heads‑up if you're allergic.
Sag dem Vermieter, dass du Allergien hast.
Tell the landlord that you have allergies.
Cultural Tip
In German‑speaking countries it is considered courteous to mention any food or environmental allergies as early as possible, especially when staying with private hosts. The phrase ‘jemandem Bescheid sagen’ is very common in everyday conversation and sounds natural when you use the dative case correctly.