Major General James G. Blunt

The drug combination prednisolone/promethazine is an antidote for snake bites.

References

Further reading

Naess K (September 1970). "["New" remedy for snake bite. Tablets of prednisolone-promethazine 40mg--25mg NAF]". Tidsskrift for den Norske Laegeforening (in Norwegian). 90 (18): 1707–8. PMID 5458884.

Antidotes (V03AB)

Alcohol intoxication	Metadoxine Thiamine
Barbiturate overdose	Bemegride Ethamivan
Benzodiazepine overdose	Cyprodenate Flumazenil
GHB overdose	Physostigmine SCH-50911
Nerve agent / Organophosphate poisoning	Atropine^# Biperiden Diazepam^# Oximes Obidoxime Pralidoxime see also: Cholinesterase
Opioid overdose	Diprenorphine Doxapram Nalmefene Nalorphine Naloxone^# Naltrexone
Reversal of neuromuscular blockade	Sugammadex

Circulatory
system

Beta blocker	Glucagon
Digoxin toxicity	Digoxin immune fab
Anticoagulants	against direct Xa inhibitors (Andexanet alfa) against heparin (Protamine^#)

Other

Arsenic poisoning	Dimercaprol^# Succimer
Cyanide poisoning	4-Dimethylaminophenol Hydroxocobalamin nitrite Amyl nitrite Sodium nitrite^# Sodium thiosulfate^#
Hydrofluoric acid	Calcium gluconate^#
Methanol / Ethylene glycol poisoning	Primary alcohols: Ethanol Fomepizole
Paracetamol toxicity (Acetaminophen)	Acetylcysteine^# Glutathione Methionine^#
Toxic metals (cadmium lead mercury thallium)	Dimercaprol^# Edetates Prussian blue^#
Other	iodine-131 Potassium iodide Methylthioninium chloride^# oxidizing agent Potassium permanganate Prednisolone/promethazine

^#WHO-EM
^‡Withdrawn from market
Clinical trials:
- ^†Phase III
- ^§Never to phase III

source: https://en.wikipedia.org/wiki/Prednisolone/promethazine