CVM is especially concerned that pet owners are going online to buy two types of commonly used prescription veterinary drugsânonsteroidal anti-inflammatory drugs (NSAIDs) and heartworm preventives. Both drugs can be dangerous if there is no professional involvement, says Hartogensis.
Fetal growth may be further impaired by the tendency of marijuana to increase the heart rate and blood pressure28 of the mother, thus reducing placental blood flow to the fetus. In addition, cocaine and marijuana, when used together, may exert a synergistic effect on both heart rate and blood pressure.29.
Long term use of marijuana does affect fertility in both men and women. For men, marijuana causes a lower sperm count and smaller volume of seminal fluid, that is about half of the normal amount. However, Marijuana also causes abnormalities in the existing sperm.The problem comes from timing.or men, marijuana causes a lower sperm count and smaller volume of seminal fluid, that is about half of the normal amount. However, Marijuana also causes abnormalities in the existing sperm. The problem comes from timing.