Zertec and Flonase are antihistamines used for the treatment of allergies. And nasal congestion, but no direct evidence supports their association with depression On the other hand, if one is showing signs of depression it is necessary to visit a psychiatrist for accurate diagnosis and therapy, not self medication recommended

Experiencing tightness in your chest, jumping around, and becoming nervous while working is usually the result of tension or anxiety, which may cause your concentration to be muddled and leave you feeling incapacitated. To acknowledge and accept these emotions might be one of the most important things you can do. Try self-help techniques such as meditation or mindfulness to destress your mind. Daily physical exercises and a good diet can make you a happier and clearer person. If they continue to occur and get worse, I recommend you talk to your family doctor who will offer you qualified help and guidance. 

Depre­ssion and anxiety seem like­ly here. You're fe­eling sad and worried. Your sle­ep and appetite are­ impacted. It's crucial to open up to someone­ trusted about these fe­elings. While causes diffe­r, stress, trauma, and genes can contribute­. Techniques like re­laxation exercises, be­ing active physically, therapy, and medications can provide­ relief.

The situation you describe may indicate that you are suffering from a panic attack. Cold sweats, cold feet, chest pain, fear of dying, nausea, and coughing can be the accompanying symptoms. Panic attacks may result from stress, anxiety, or even a medical condition. Among the ways of handling a panic attack are deep breathing, concentrating on relaxing thoughts, and talking to a trustworthy person. 

Please talk to a psychiatrist. They may help you to overcome this issues

Well, it seems that you could be having OCD symptoms like failing to keep up with hygiene and cleanliness. I suggest seeing a psychiatrists who works with OCD to discuss your symptoms and consider treatments.

You may have something called sleep talking or night terrors. When one is stressed or anxious, they may talk or shout while normally sleeping. You can try to reduce the stress before going to bed by using some relaxation techniques or maybe even have a quiet bedtime routine. But if that doesn’t work out then I would advise you to see a sleep specialist who will be able to help further.