It can cause you to split them unevenly resulting in two pieces with symptoms and treatment different dosages, which can be dangerous. Purchase a proper pill cutter that has a cover and a V-shaped pill grip that holds the pill securely in place. For convenience, you might be tempted to split the whole bottle of pills at once. That will help keep the drugs from deteriorating due to exposure to heat, moisture, or air. It Cialis also help ensure that any deviation in the size of one dose is compensated in the next. Again, your doctor or pharmacist will know which drugs can and cannot be split.