How to Say "internal conflict" in Spanish
The Spanish word for “internal conflict” is “conflicto” — B1 level.
English → SpanishB1
nounB1neutral/formal
emotional or psychological struggle

Examples
Sufre de un conflicto interno sobre si debe cambiar de carrera.
He suffers from an internal conflict about whether he should change careers.
La novela explora el conflicto entre el deber y el deseo.
The novel explores the conflict between duty and desire.
Using 'tener'
You often use the verb 'tener' (to have) when talking about internal conflicts: 'Tengo un conflicto con esa idea' (I have an issue with that idea).
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