Parasone is a trade name, generic name of tretinoin econazole cream, glans patients use the drug a week after more and more red may be an adverse drug reaction, the drug is not symptomatic and other reasons. 1. Adverse reactions: Trimethoprim Econazole Cream is mainly composed of the main ingredients trimethoprim, econazole nitrate, some patients may use the adverse drug reactions, such as allergic to the components of the skin redness, rash, itching and other discomforts. 2. Drugs are not appropriate: glans can be caused by bacterial, fungal and other drug infections, different germs have different sensitivities to drugs, need to use different drugs to treat. After a week of continuous use, the redness may be caused by the wrong medication, and the medication should be changed according to the situation. If the symptoms do not improve or even worsen after using the medication, please go to the regular hospital in time for treatment.