Codeine belongs is a family of medications called opioids which interacts with receptors in the brain, eliminates body pain and induces quick sleep. This pill also offers relief from other medical conditions such as dry irritating cough, cancer pain, cold and flu, severe diarrhoea and mild to moderate degrees of pain. It shows excellent results when used in combination with paracetamol (acetaminophen) or a nonsteroidal anti-inflammatory drug (NSAID), such as ibuprofen. Codeine starts working within half an hour after use and remains effective in the body for about four to six hours. Mixing Codeine with alcohol can cause slow breathing, reduced coordination and mental clouding. Common side effects include vomiting, constipation, and lightheadedness. Patients suffering from painful sleep disturbances can buy Codeine to get comfortable sleep at night.