Read the policy carefully: Short-term health insurance typically won’t cover treatment for pre-existing conditions (medical problems you already have):
“The shocking reaction to the recent murder of a major health insurance CEO has heightened awareness of widespread discontent with coverage restrictions, among them the exclusion of preexisting conditions. Yet it is expected that the new Trump administration will roll back some consumer protections under the Affordable Care Act (ACA). One such measure would permit greater availability of short-term health insurance policies that are exempt from ACA mandates, including the requirement that policies cover preexisting conditions.”
Understanding Health Insurance Exclusions & Creditable Coverage
“…Short-Term Health Plans Do Not Cover Pre-Existing Conditions.”