Canison Solution is intended for external use only It is important to follow your doctors recommended dosage and duration of use Regular and consistent use of this medication will yield the best results Avoid using more than necessary as this may lead to increased side effects instead of clearing the infection faster If your condition persists for more than four weeks or worsens over time inform your doctor To enhance the effectiveness of this medicine keep the affected area clean and dry Remember to wash your hands before and after applying the medication If you have athletes foot thoroughly wash your socks or tights and consider changing your shoes daily if possible Common side effects may include skin irritation redness or itching at the site of application If these side effects are bothersome or persist notify your doctor In rare cases some individuals may experience a severe allergic reaction which requires immediate medical attention Signs of an allergic reaction may include a rash swelling of the lips throat or face difficulty swallowing or breathing dizziness and nausea Seek emergency assistance if any of these symptoms occur It is unlikely that other medications taken orally or through injection will interfere with the effectiveness of Canison Solution However it is always advisable to consult your doctor if you have previously experienced an allergic reaction to a similar medication Additionally this medication should only be used during pregnancy if it is deemed necessary by your healthcare provider