The US FDA has assigned the pregnancy category B status to Benadryl, which means that it is considered safe to use, as there are no known side effects. However, your doctor will be the best person to judge whether or not you should take Benadryl while you are pregnant. He will also decide on the quantity of intake.
Human carcinogen -- Benzene: Benzene is a chemical deemed to be carcinogenic to humans. The carcinogenicity of the substance may be influenced by the nature (e.g. inhalation, ingestion, skin contact), duration and level of exposure. Benzene exposure is associated mainly with an increased risk of developing leukemia or lymphoma.
An agent known to cause cancer; a cancer-producing substance. carcinogenic-a carcinogen is a chemical known or believed to cause cancer in mammals.Some chemicals are proven carcinogens, but many more are suspected to be carcinogenic. carcinogenic-a substance that has the capability of causing cancer. carcinogen is any chemical known to cause cancer, there are a great many number of items known to have carcinogens present in them. Examples include paint, cigaretes, and mo â¦ re.