http://www.abc.net.au/health/features/stories/2015/02/12/4178721.htm
Some recommend using tweezers being careful to avoid squeezing the tick, which would cause it to inject its stomach contents into you; however, others are now recommending aerosol freezing sprays or ether-containing sprays that instantly kill the tick. This approach is recommended by the Australasian Society of Clinical Immunology and Allergy (ASCIA) for those with a known tick allergy. Since Australia contends with a tick that causes a severe allergy to red meat, they are recommending the ether sprays which will not disturb the tick, thereby lessening the chance of it injecting more of its allergen-containing saliva.
Dr Cameron Webb, a medical entomologist at Westmead Hospital and clinical lecturer at the University of Sydney, has been looking into the various methods of tick removal and thinks we should all be following the advice of ASCIA, which recommends killing the tick in place by using ether-containing aerosol sprays that instantly freeze it (although some of these are not registered for use in humans). He suggests some over-the-counter products for freezing off warts may work.
Wartner may be the perfect fix. http://www.wartner.eu/uk_en/warts-and-verrucas/treatments/wartner-wart-verruca-remover/
http://www.wartner.eu/warts-verrucas/treatments/wartner-cryotherapy/
PRODUCT CHARACTERISTICS
Freezes the tick to the core by –50°C (lowest temperature available within self treatments), it says to press applicator firmly down for 3 seconds, then hold on tick for 40 seconds. Let tick fall off naturally – takes approximately 10 minutes.
Using DMEP gas mixture
New application steps to reach therapeutic temperature any time
http://www.walgreens.com/store/c/wartner-cryogenic-wart-removal-system%2c-original/ID=prod3984640-product
Ingredients: Dimethyl Ether, Propane
Extremely Flammable. Contents Under Pressure Keep away from fire, flame and heat. Do not smoke while using this product. Protect from sunlight and do not expose to temperatures above 120°F. Store at room temperature away from heat.
Keep out of reach of children. Avoid contact with eyes. Do not inhale vapor/spray and use only in well-ventilated areas. Do not Swallow. For external use only. Use only as directed. If Wartner® is not used exactly as instructed or if you mistakenly apply it directly to the skin or use it on conditions that are not warts, it may cause serious burns and permanent scarring of the skin.
Wartner® should only be used in combination with the applicators provided. Use one foam applicator for session. Do not reuse applicator.
I knew this product was it when I read a review:
“Pros: great if you want to torture your worst enemy”
How did they know?