Ear-Nose-Throat Problems

I got cold since past 5 days(blocked nose & running nose) and over the counter tablets are not helping, I took even sinarest but no improvement , what should I do? What blood test should I take to find out what illness I have?

I'm getting cold frequently. Nostril irritation, headache, running nose, watery eyes, eyes becomes small and red. I will take cetrizine and duonase nasal spray. Please suggest good treatment or tablets for this. I'm not able to work at ofc.

I had sore throat for two days first then it gone and then itching on near the neck area and throat was red and voice little bit change gums getting red

Hi sir, Bitter taste in my mouth since a week. Not able to eat food. Is it serious problem. Suffering with phlegm. Mucus like substance inside nose, when it touches tounge feeling bitter. How to get rid of bitter taste in mouth. Please advise. Thank you.

Today my friend woke up and saw that his tongue has turned black. He does smoke also. I want to know what the matter is

One of my friend diagnosed with lymph node tb in the neck after biopsy report. The swollen lyph node has been removed with pus. Now she is under medication Akt4 and levofloxacillin 750. It's been 2 week but she still have swelling in the surgery area and some discharge also. How long would the swelling persist? Is this the normal or the process of healing?

Whenever i get common cold, i feel a lot of dizziness and vertigo.. What to do, and which doctor to consult.. Is it sinus or some ear related infection.. Its been twice in a month..

He suffers from bronchitis, frequent allergies like running nose, sneezing. If he travels outside, suddenly gets this problem.. due to cough n cold,he gets viral fever followingly, pls say remedies.. Doctor

My throat is sore and I don't know much about it it also has a blister at the back as seen in the image. Kindly tell me the disease and it's treatment.

Discomfort around tonsil it feels as if something is stuck. No issue swallowing food but mild discomfort while swallowing spit. Doing gargle with bot water and salt no reprive.