Methamphetamine molecular structure. This diagram does not show a finished medicine or identify a pill.
PubChem / National Library of Medicine · Structure images reusable under PubChem citation guidelinesAbout Methamphetamine
Methamphetamine is a powerful stimulant. Limited prescription use must be distinguished from illicitly manufactured methamphetamine.
Also searched as: Meth · Crystal meth · Desoxyn
Available strengths
Strength is the amount in a tablet, capsule, liquid or patch. Different formulations are listed separately.
| Product & formulation | Strengths |
|---|---|
| Methamphetamine hydrochloride Prescription oral tablet | 5 mg Pharmaceutical product only; not illicit powder or crystals. Product label · Checked 2026-10-31 |
Dosages in the product label
Prescription methamphetamine hydrochloride tablets — ADHD
Population: Pediatric patients aged 6+ under specialist care
Labeled starting dose: 5 mg once or twice daily.
This identifies a prescription label, not a dose for illicit methamphetamine. Treatment and changes require clinical oversight.
Prescribing information · Checked 2026-10-31
Buy Methamphetamine: pricing & legal access
Methamphetamine online: availability & product information
Saved U.S. price estimates from Drugs.com for the exact products and quantities below. These are dated estimates, not live pharmacy quotes or insurance copays. Discounts and local availability vary.
| Product / strength | Quantity | Price (USD) |
|---|---|---|
| Prescription methamphetamine hydrochloride 5 mg Oral tablet | 100 tablets | $514.86 Drugs.com published cash estimate Drugs.com price guide Checked 2026-10-31 |
Prices refer to medication only; consultation, administration and monitoring costs may be additional. Prescription products require a valid prescription and a licensed pharmacy. Check the exact formulation before comparing offers.
Methamphetamine information
Identity and formulations
A regulated prescription tablet and an illicit powder or crystal are different product contexts. A shared chemical name does not establish equivalent quality or clinical suitability.
Sources: DEA — Methamphetamine
Side effects and longer-term risks
Insomnia, reduced appetite, increased heart rate and blood pressure can occur. Overheating, severe agitation, psychosis and cardiovascular emergencies are serious risks; dependence is also a concern.
Sources: DEA — Methamphetamine
Dosage context
DrugRX provides no illicit-use dose. Any prescription use requires an individual treatment plan rather than instructions inferred from a street name.
Sources: DEA — Methamphetamine
U.S. federal classification
Listed federally in Schedule II. Classification does not by itself establish that a particular product is approved or that an online transaction is lawful. State requirements and product-specific rules also apply.
Sources: DEA — Controlled substances alphabetical list (October 2026)
Stimulant activity
Methamphetamine affects monoamine signaling and can strongly increase wakefulness and sympathetic activity. Reduced appetite or alertness alone does not establish a therapeutic benefit or a product’s medical suitability.
Sources: DEA — Methamphetamine
Prescription and illicit products
A pharmaceutical tablet has product-specific manufacturing and prescribing controls. Illicit crystals or powders do not become equivalent medicines because they share a chemical name. Other ingredients and concentration may be unknown.
Sources: DEA — Methamphetamine
Longer-term health effects
Dependence, sleep disturbance and psychiatric symptoms can develop with repeated misuse. Physical and dental problems may have several contributors, so a clinical assessment should not rely on appearance or one stereotyped symptom.
Sources: DEA — Methamphetamine
Methamphetamine versus other stimulants
Methamphetamine, amphetamine and methylphenidate have different identities. A shared stimulant classification does not establish the same potency, approved uses or dose. Illicit use should not be treated as a substitute for a prescribed ADHD treatment.
Sources: DEA — Methamphetamine · FDA — Prescription stimulant warnings
Sources and editorial notes
Prepared by DrugRX using the references linked below. Sources were consulted on 2026-10-31. This page has not been independently reviewed by a clinician. Research findings, medication approval and legal permission are separate questions.
- DEA — Methamphetamine
- DEA — Controlled substances alphabetical list (October 2026)
- FDA — Prescription stimulant warnings
- DailyMed — Methamphetamine tablets product label
- Drugs.com — methamphetamine price guide
Legal information is a dated U.S. reference. Product rules and local laws may change. Where the evidence does not establish a dose, interaction profile or price, the page states that limitation.