U-47700 | The JHI

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U-47700

Found in:  

Fentanyl

Type/Reason added:  

Synthetic Opioid

Relative Potency:  

10% of fentanyl, 7.5 times more potent than morphine (10)

Overview

The Effects

Treatment Options

Routes of Administration and Effects

Administration:

Common routes of administration include snorting (insufflation), oral ingestion, injection, and sometimes rectal administration. Some users also smoke it, although this is less common. Injection and snorting produce a rapid onset of effects and are the most dangerous methods.

Dosage and Effects:

Opioid Effects: Euphoria, sedation, pain relief, and a sense of detachment from physical and emotional discomfort. Compared to heroin or fentanyl, the euphoria is described as more "clean" and less "heavy," but still very potent.

Adverse Effects: Severe itching, constipation, urinary retention, nausea, vomiting, pinpoint pupils, and profound respiratory depression.

Dose Range (oral): 5-25 mg

Duration:

Onset: 15 mins, 1 min IV
Duration: 5-7 hour orally, 1-2 hr IV

Information Regarding the Substance

Physical Description:

U-47700 generally appears as a very fine powder, sometimes crystalline, and may range from white to light pink depending on its purity and the synthesis method. It typically lacks any strong odor.

Side Effects:

Common: Intense euphoria, deep relaxation, analgesia, drowsiness, and mood elevation. It may also blunt emotional responses and cause a "nodding" effect, where users drift in and out of consciousness.