 [ Symptoms ] if i used a condom with my new partner how likely is the chance that i gave him trichomoniasis  i believe i got it from my last partner whom i was with for 12 years we did have unprotected sex i have been with my new partner for a year but we have never had unprotected sex he lives in another country and i have not been with him in 6 months i was just treated for trich yesterday and do not think he can get the meds is it really possible that i gave it to him also what is the chance that i was misdiagnosed with a wet prep [ Disease ] dark yellow phlegm could be a sign of an infection or at least stagnation of mucous in your nose sinuses or lungs the fact that it is foul tasting is another sign of a possible infection the color of mucous is not as important is the entire package of symptoms that you may be experiencing so if this continues you may need to see a medical evaluation in the meantime drink plenty of water this will thin your mucous humidify the air humidifier or a hot steamy shower and consider trying a decongestant during the day if the underlying cause is a cold viral then you should be improving in a few days if you are having sinus pain sore throat chest pain or fever then it would not be prudent to wait it out