No. duloxetine is not a tricyclic antidepressant (TCA). It belongs to a class of anti-depressants called SNRIs (Serotonin-Norepinephrine Reuptake Inhibitors).

fondaparinux is not approved by the FDA for HIT (heparin induced thrombocytopenia)

This is allergic rhinitis. My protocol is allergy testing by skin pricj test which I do and than I give allergy vaccination Else u can try antiallergic such as cetrizine

Start with antiallergic tablet such as cetrizine. Visit ent specialist for need of nasal spray. I usually do allergy testing and give immunotherapy

It appears as allergic issue. Get serum IgE level done and visit ent specialist near you