Salud y enfermedades infecciosas en México

hey guys tested positive on sunday morning now on tuesday morning 1:12 am ive had sore throat all day and bad sinuses but its inproved a little bit towards late night but now im having real trouble breathing and as this is my first time catching the virus im a little worrried im also coughing up bits of flem which is not helping the lungs is this something i should be worried about or contacting emergency or local services about because it definitely doesnt feel right im breathing so heavy and not getting a satisfactory breath and was very tired an hour ago and now cant sleep