Potassium permanganate as well as other drugs should not be used after the expiration date to avoid unpredictable consequences to the body.
Potassium permanganate usually needs to be prepared according to the specific situation into a corresponding concentration of solution for local external use, can play a good disinfection, sterilization, mainly for acute dermatitis or acute eczema with secondary infection when wet compresses, can also be used to clean a small area of ulcers and so on.
The shelf life of the drug is often 24 months or 36 months, if beyond the clearly marked use-by date should not continue to use. First of all, the effectiveness of expired medicines is affected, and secondly, they may cause unintentional damage to the body.
Contraindications to the use of the drug include patients who are allergic to the product. The main adverse reactions that may occur if the highly concentrated solution is used repeatedly and repeatedly are corrosive burns of the local skin. Specific use of the drug should be carried out under the guidance of a specialist.