Flagg's Instant Relief

Flagg's Instant Relief was a patent medicine cure-all and pain relief remedy sold by E. H. Flagg and hired agents all across the United States from the 1850s into the 1900s. According to some sources, "Flagg's Instant Relief" was the basis for both Hamlin's Wizard Oil and Kickapoo Indian Oil.

Composition
Oleson's "Secret Nostrums and Systems of Medicine" (1890) gives the formula as a mixture: "Oil of cloves, about 1dr.; Oil of sassafras, about 2 dr.; Spirits of camphor, about 1&frac12; dr."

Advertising

 * Prof. Flagg's Instantaneous Relief: For the Speedy Cure of Head Ache, Teeth Ache, Rheumatism, Diarrhoea, Sore Throat, Neuralgia, Pains in the Side, Back or Stomach, Pleurisy, Painters Colic, Cramps, Fever and Ague, Chilblains, Coughs, Frosted Feet or Ears, Burns, Fresh Cuts, Sprains, Bruises, &c., &c. ... Over 200,000 Bottles Were Sold During the Year 1856.
 * It Has Been Satisfactorily Proven to the Masses Throughout the United States and Canadas, After a Thorough Trial for Upwards of 12 Years, That Flagg's Instant Relief Is the Safest, Surest, and Most Speedy Cure That Has Ever Been Brought Before the People for Man or Beast: Flagg's Instant Relief Is Not Claimed to Be a Cure All. It Is Recommended Only for a Certain Class of Complaints, Such As Nervous and Inflammatory; Wither Internally or Externally, for the Cure of Which It Stands Unrivalled!