While the average period occurs every 28 days and lasts for four days, fluctuations between 21 and 32 days are considered normal. Soaking through a sanitary pad or tampon every two to three hours is considered a heavy period. Likewise, prolonged periods are those that last for more than seven days.
Codeine is an opioid medicine (sometimes called an opiate) . It is used to treat mild-to-moderate types of pain. It can be particularly useful when painkillers such as paracetamol and ibuprofen have not been effective.
BRAND NAMES: none. DRUG CLASS AND MECHANISM: Codeine is a narcotic pain-reliever and cough suppressant similar to morphine and hydrocodone. Moreover, a small amount of codeine is converted to morphine in the body.The precise mechanism of action of codeine is not known; however, like morphine, codeine binds to receptors in the brain (opioid receptors) that are important for transmitting the sensation of pain throughout the body and brain.oreover, a small amount of codeine is converted to morphine in the body. The precise mechanism of action of codeine is not known; however, like morphine, codeine binds to receptors in the brain (opioid receptors) that are important for transmitting the sensation of pain throughout the body and brain.