Withholding medical treatment is a violation of the constitutional amendment.

Eighth constitutional amendment

Explanation:

The Eighth Amendment determines: “Excessive bail shall not be required, nor excessive fines imposed, nor cruel and unusual punishments inflicted.” But there is also an interpretation that if a prisoner is denied medical treatment it violates the prisoner's constitutional rights, but the prisoner must allege a serious medical condition and the official needs to have an indifference to that condition, this is a precedent from the case Estelle v. Gamble 1976.

the declaration states, “we hold these truths to be self-evident, that all men are created equal, that they are endowed by their creator with certain unalienable rights, that among these are life, liberty, and the pursuit of happiness….”