Text only version of mountain pass report. Seasonal weather reports have ended for this winter. Traditionally weather is reported on this page from November 1 to April 1. Should adverse weather or other incidents occur that will impact travel, updates will be provided as information is available.
The major hazards of hydromorphone include dose-related respiratory depression and sometimes circulatory depression. More common side effects include light-headedness, dizziness, sedation, itching, constipation, nausea, vomiting, and sweating.
Abusers of illicit and prescription opioids, such as heroin or oxycodone (OxyContin), quickly develop tolerance to the euphoric high these drugs produce but not to the dangerous side effect of respiratory depression (slowed breathing rate).