Please consult your doctor before using Minichek F Solution 60 ml if you have liver disease and urinary obstruction (blockage of urine flow). Do not apply the topical form of Minichek F Solution 60 ml on shaved, inflamed, infected, irritated or painful scalp skin. Let your doctor know if your allergic to Minichek F Solution 60 ml or any of its components, such as propylene glycol and ethanol (alcohol). Do not use a topical form of Minichek F Solution 60 ml, if you have high blood pressure, cardiovascular disease or cardiac arrhythmia (abnormal heart rhythms), sunburn, and psoriasis.