"Peace be upon you, and the mercy and blessings of Allah.
According to Grand Ayatollah Sayyid Khamenei (may his secret be sanctified) and Grand Ayatollah Sayyid Sistani (may Allah protect him):
It is not permissible to stop performing prayer from a standing position for that reason alone. However, if it reaches a state of inability or significant harm, then it is permissible.
For more details, you may refer to Question 1034:
May you remain successful in all that is good.
Source:
Grand Ayatollah Sayyid Khamenei (may his secret be sanctified): Official Website.
Grand Ayatollah Sayyid Sistani (may Allah protect him): Official Website.