ANXIETY / PANIC ATTACKS & STRESS :-

Sudden with restlessness and fear of death, Panic Attacks, Aconite 30X or 200X,1/2 hourly (3 Doses)

Prolonged with periodic and panic attacks Arsenic Alb.200X, 4 hourly (3 Doses)

With fainting spells; profuse sweating; worse in the morning Sulphur 30X or 200X 3 hourly (3 Doses)

Makes patient walk fast; due to anticipation Argentum Nit 200X, 3 hourly (3 Doses)

Worse lying in bed and closing the eyes Carbo Veg 30X or 200X, 4 hourly (6 Doses)

Anxiety aggravated by upward or downward motion; going in an elevator; worse till 11 P.M, Borax 200X or 1M, 3 hourly (3 Doses)

Anxious about business even when seriously ill Bryonia Alba 200X 3 hourly (3 Doses)

Full of apprehensions in the evening Causticum 200X, 3 hourly (3 Doses)

Anxiety and fears in the evening with restlessness and palpitation Calcarea Carb.200X or 1M, 3 hourly (3 Doses)

Anxiety worse while lying still. Sad music ameliorates the complaints Manganum Acet 200X 3 hourly (3 Doses)

Anxiety due to fright, fear,exciting news; stage fright; worse while appearing for examination or interview etc Gelsemium 30X or 200X 3 hourly (6 Doses)

Mood Swings, Anxiety due to grief or shock in the subconscious mind Ignatia 200X or 1M, 3 hourly (3 Doses)

Anxiety; better after eating Anacardium Or 30X, 4 hourly.

DEPRESSION & GRIEF(Bereavement) :-

Severe shock due to sudden death of loved ones; restlessness, anxiety and fear Aconite 200X. 10 min (3 Doses)

Prolonged mournings; cannot overcome the loss of loved ones and/or Mood Swings. Ignatia 1M or 10M, 6 hourly (3 Doses)

When the grief is in the conscious mind; patient weeps; does not like sympathy Natrum Mur.200X or 1M, 6 hourly (3 Doses)

For chronic grief and indignation Staphysagria 200X or 1M, weekly (3 Doses)

Depression with suicidal thoughts feeling of worthlessness, Aurum Met 30X, three times a day half hour before meals.

Take the remedy which is similar to your symptoms. No side effects or complications if taken as directed, please do not exceed the given dosage and under any circumstances do not try to mix any remedies and avoid Chocolates, Mints, Coffee, Red Meat, Alcoholic and Carbonated drinks, Spicy Rich Food while taking any Homeopathic remedies, and keep the medicines away from direct sunlight, heat strong smells and perfumes and do not store them in the fridge.
Curing without any side effects or Complications Thats the Beauty of Homeopathic Medicine

Take Care and God Bless you.
References :
Homeopathic Practitioner