How to Say "sick feeling" in Spanish
The Spanish word for “sick feeling” is “náusea” — A2 level. This is a very common word in everyday Spanish.

Examples
Tengo muchas náuseas por el viaje en barco.
I feel very nauseous because of the boat trip.
El fuerte olor del pescado le provocó náuseas.
The strong smell of the fish made her feel sick.
La medicación puede causar náusea matutina.
The medication can cause morning sickness.
The Plural Preference
While the singular 'náusea' exists, Spanish speakers almost always use the plural 'náuseas' when talking about the physical feeling of being sick.
Using the 'Give' Pattern
Just like the word for 'like' (gustar), we often say something 'gives' us nausea: 'Me da náuseas' literally means 'It gives me nausea.'
Don't use 'Estoy'
Mistake: “Estoy náuseas.”
Correction: Tengo náuseas or Siento náuseas.
Related Translations
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