Thank you Dr for taking time to answer my question. I really appreciate it.
Excess salivation is a common problem that sometimes is a pretty stubborn problem, your doctor needs to evaluate the various possible reasons. Hypersalivation, or sialorrhea, is common in pregnancy. If an underlying cause is not found, anticholinergic medication can help, such as atropine, scopolamine, or even benadryl. The blood in your sputum is concerning, this needs to be checked by your doctor since that does not commonly accompany sialorrhea.