Aching sounds in Salaah due to pain

The principle in regards to making sounds in Salaah is as follows; if the sound uttered becomes similar to a word or sentence, then Salaah will be invalidated. For example, if a sound is created whilst clearing one’s throat in Salaah, or the word ‘Uf’ is uttered, or one cries with a sound, or one utters the word ‘Aah’, then in all these instances Salaah will be invalidated.

Based on the above, it is best that your Salaah is repeated, particularly if there were sounds and screams due to pain in Salaah.