Final answer:
The patient in respiratory distress who complained of severe pain after medication likely received an opioid, known for strong pain relief capabilities but also carrying the risk of serious side effects.
Step-by-step explanation:
The patient who is experiencing severe pain after being prescribed medication for respiratory distress likely received an opioid medication. These are strong prescription pain relievers and include drugs such as morphine, oxycodone, and hydrocodone, often combined with non-opioid pain relievers like acetaminophen. Opioids are known to alleviate moderate to severe pain very effectively. They can be especially useful before and after surgical procedures, for chronic pain, or in cases where other medications do not provide sufficient relief. However, it is essential to note that opioids can have serious side effects, carry the risk of addiction, and should always be used under strict medical supervision. Given that the treatments listed in the choices are Naloxone (an opioid antidote), Capsaicin (a topical pain relief cream), Lidoderm (a lidocaine patch) and Acetaminophen (a non-opioid pain reliever), none of these would typically cause severe pain as a side effect, and hence the severe pain complaint would not be directly related to these medications.