Chest & Breathing Problems

I have noticed blood like substance in phlegm in morning after brushing. my phlegm is white the whole day .. is this a serious issue

I don't know his staus but he was coughing I came in his contact what precaution should I take as medicine that it does not affect me

6 days back I have tested positive for covid.The 1st symptom I got was chest pain(pressure) and tightness. The chest pain was there for 2-3 days. Because of that chest pain my whole arms, neck,ear were paining.Today is 6th day after getting tested positive.Morning my pulse went to 55-59 for 3 hours and I was feeling very weak in that 3 hours. Post 3 hours my pulse was normal but chest pain was back. As prescribed by doctor I have tested 1. RA factor 2. Serum electrolytes 3. Vit D level and the reports for 3 tests are normal But I don't understand why I am still have the pain in chest.Do I need to do any other tests? Pain is there mostly on right side some times left side also.Now I am getting pain on back side also

Diabetic and heart patient with ckd3.corona+ve day 8 with no fever O2 97-98 m taking medrol 4 msg twice day with azee250 and nimesulide -p and pantop 40 and nexium 20 and night-montair lc with all my sugar and heart medicine. My bp and sugar rise after medrol. Is this safe? M having no fever from last 3 days. Only general weakness body pain present . Medrol given for 5 days only.after 5 days when i stop this medicine. What are the harms. Or side effects? Does medrol 4 mg safe?

I tested covid +ve on 15 Apr. Had a HRCT value of 6/25. Tool home medications and tested negative on 2 May. I have chest pain(pricking) since then. Sometimes it is intermittent sometimes continuous. I had CRP value of 2.5 last week. Other tests like CBC, D-dimer are ok. I've taken some medicine for this issue as in the attached photo. Kindly advise.

My grandma aged 80 years old. She's having parkinson. Also she tested covid positive. She's in ICU for the past one week. Doctor told her condition is critical and she can't recover. She's on ventilator as her oxygen level is fluctuating. They are giving fluid through tube connected through her nose. She's drowsy most of the time and doesn't respond. We are much worried. Pls help

When lie down I got relief from it. As I WFH, I handed to sit prolong period.. then my pain is increasing.

I was effected covid on 12.04.21 and conducted RT PCR TEST ON 30.04.21 and result positive with CT count 25.73. In which date I go for test to get negative results

Since almost a year I have been facing this chocking issues. There is a kind of shortness of breath happens which I try overcome by deliberately coughing. Chocking issues leads to "vomit kind of coughing". But vomiting never happens nor any sputum comes out. and by the way I don't have any fever. I take Montek LC half tablet in the night. But it's not helping. What is my problem ? Kindly respond.

Conjugated chest, difficult in breathing, while caughing sharp pain in upper back. If I take anti allergy  medicine like montac then it get cure. And also presntly having stone in left kidney 0.8mm.