Illicit Drugs: A Comprehensive Overview

Illicit drugs are substances that are illegal to
possess, distribute or use under most jurisdictions worldwide.

Their production and sale often occur outside the regulatory framework,
which creates additional health‑risk factors beyond those associated with prescription medications.
The following guide synthesizes current evidence on the types of illicit drugs, their legal
ramific

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Effects of a Single Dose

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Short‑Term Physiological Impact

Cardiovascular Response

Blood pressure & heart rate: A single dose typically raises systolic blood pressure by 10–20 mmHg and
increases pulse by 5–15 beats/minute, peaking within the first hour.

Peripheral vasoconstriction: Contributes to elevated systemic vascular resistance.

1 – "Recommended Doses"

Drug Typical Dose (per day) Cycle Length Notes

Clomiphene citrate 50 mg ?#8239;5 days per week (usually days 1‑7 or 1‑10 of the cycle) 4–6 weeks Start at
50 mg; if no ovulation, consider 100 mg.

Letrozole 2.5 mg ?#8239;5 days per week 4–6 weeks
Often used instead of