Doctor insights on:
Quinine: Was originally derived from the bark of a certain tree. It is used some times in the treatment of certain kinds of malaria. It used to be used for leg cramps but potential side effects outweighed benefit. A small amount is found in tonic water but not enough to prevent or treat malaria. ...Read moreSee 1 more doctor answer
Yes: Yes in people at risk, quinine can cause kidney problems. Chronic high doses can decrease the flow through the kidneys and cause damage, which can be permanent. Short term exposure especially at high doses can also cause damage, although this type of exposure is usually reversible. The risks and the benefits of this and any medication must be weighed. ...Read more
Anything's possible: Yes. You can be allergic to many different chemicals including drugs. Does that mean you will be? Maybe but it's unpredictable. ...Read more
I have been using hydro quinine 4% for two weeks to treat dark circles. However, the circles appear worse after using the cream . Is this normal?
Maybe: The way that drug works is by inhibiting the cells that create pigment from making melanin. This might take different amounts of time in different people. It can cause a lot of skin irritation and if that does occur you should probably stop using till that irritation calms down. It might appear as a darkening with increased dryness and irritation. ...Read more