@roshancarey,
"Side Effects
Redness, warmth, stinging, or burning on the application site may occur. If any of these effects persist or worsen, contact your doctor or pharmacist promptly.
If your doctor has directed you to use this medication, remember that he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
Stop using this medication and tell your doctor immediately if any of these unlikely but serious side effects occur: blistering/swelling/severe redness at the application site, increased/unusual pain at the application site, nausea/vomiting, ringing in the ears.
A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
In the US -
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
List Mentholatum Deep Heating Rub topical side effects by likelihood and severity."
http://www.webmd.com/drugs/2/drug-15479/mentholatum-deep-heating-rub-topical/details
These topical aspirin products (Ben-Gay is another) can kill from overuse from too much aspirin, and/or aspirin-related allergic reactions.
Takes a lot to get me to a hospital. Am usually more worried about catching some germ common to hospitals (filled with sick people) than most ailements that'd get others (like my Mom) in to one. If I'm not unconscious and bleeding from my ears, rub some dirt on it and walk it off.