Estimulantes

4F-MPH (4-Fluoromethylphenidate)

Street names: 4F-MPH, 4-FMPH, IPPH (isopropylphenidate)

Overdose? Act now. Call emergency services — say "unresponsive, not breathing". Give naloxone for opioid-like signs. Hotlines

⚡What it does

Substance	Class	Top risks	Street price
4F-MPH (4-Fluoromethylphenidate)	Analogue prosecutions	Vasoconstriction, insomnia, appetite suppression like the class; Binge redosing	~$15–$35/g
Cocaine	Schedule II	Heart attack/stroke even in young users; Severe addiction — craving cycle	~$60–$120 per gram
Speed (amphetamine paste)	Schedule II	Insomnia, anxiety, paranoia; Heart strain and overheating	~$10–$40 per gram
Methamphetamine	Schedule II	Addiction — among the most addictive drugs known; Meth mouth, skin sores, psychosis	~$20–$100 per gram
Adderall (amphetamine salts)	Schedule II	Dependence and tolerance; Cardiovascular strain	~$3–$15 per 30 mg tablet
Adderall XR	Schedule II	Same as Adderall; long duration masks sleep debt; Beads snorted bypass XR mechanism	~$5–$20 per 30 mg capsule

Street prices are regional estimates. Potency and cuts vary constantly.

What does 4F-MPH (4-Fluoromethylphenidate) look like?

Polvo cristalino blanco/pellets

What are the signs of a 4F-MPH (4-Fluoromethylphenidate) overdose?

Racing heart; Ansiedad, insomnio; Extremidades frías Call emergency services immediately.

How addictive is it?

Vasoconstricción, insomnio, supresión del apetito como la clase Dependence can develop with regular use.

Facts on this page are compiled from these primary sources. External links open in a new tab.