This is an alphabetical list of fictional drugs (in the sense of usually illicit narcotics) in the BattleTech universe. All known real-world drugs such as alcohol, caffeine, nicotine, cannabis/hashish, cocaine, Heroin, amphetamines, methamphetamines, phencyclidine, LSD, etc. exist in the BattleTech universe as well.


An addictive drug produced on Ashio, Brace eases tension and stress. Sold in small cylinders that hold a vapor injection mechanism.[1]


Addictive narcotic substance which heightens the user's senses when burned, users experience deep depression as they come down.[2]


A favored battle stimulant used by House Kurita around the time of the First and Second Succession Wars.[3]


Also referred to as "KZ", "KrayZee", or "Krazy", K-Z is a very expensive, very potent drug that, once ingested or injected, remains active in the user's system for a long time (around 10 hours). It is described as a "highly dangerous depressant".[4]


A logic drug of which the NAIS has proprietary ownership, LD-512 increases the cognitive powers and focus of the human brain, at the cost of intense headaches and nausea after the drug wears off after no more than three hours.[5]

Samples of this drug have appeared on black markets in the Free Worlds League and the Capellan Confederation, and allegedly Clan Diamond Shark merchants have provided Clan Coyote with a large shipment as of September 3067.[5]


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Illegal drug; context suggests it to be a rather mild drug, at least compared to other illicit drugs.[6] It was developed in the 2990s by Nashan Pharmaceuticals as a super-stimulant to allow troops to fight with minimal rest. Most commonly found throughout Lyran, Federated Suns, Taurian Concordat and Magistracy of Canopus space.[7]


A combat drug invented in the Capellan Confederation, Rage is popular among the Warrior Houses, but also among ComStar, Word of Blake and Azami operatives.[7]


A very potent performance enhancer greatly improving response times, but reduces fine motor control and focus. Frequently found in black markets in the Chaos March and on Solaris VII, but has also appeared in the Draconis Combine, the Outworlds Alliance and reportedly even among the Clans.[5]

Rules-wise, Spazz induces the "Madness/Paranoia" trait for its duration.[5]


Illegal drug that has to be injected and remains active in the user's system for about two hours.[8] Mentioned to be "bad".[6]


Rules on drugs and listings of substances and their in-game effects can be found in Combat Equipment, pp. 78-82 (MISCELLANEOUS GEAR AND RULES: Drugs) and most recently in A Time of War, pp. 317-321.


  1. Epaulet Mate, pp. 56, 57
  2. House Marik (The Free Worlds League), p. 130 "Man-TLE"
  3. House Kurita (The Draconis Combine), p. 64 "History - Second Succession War - Chain Gang Missions"
  4. Mercenary's Handbook, p. 95 (Gerald Walker entry)
  5. 5.0 5.1 5.2 5.3 Combat Equipment, p. 82
  6. 6.0 6.1 Pledges of Allegiance, p.??[citation needed]
  7. 7.0 7.1 Combat Equipment, p. 81
  8. Combat Equipment, p. 80