1. Aconitum napellus (Aconite):
Sudden onset of fever, dry cough, anxiety (derived from the plant Aconitum).
2. Belladonna:
High fever with sudden onset, throbbing headache, flushed face (derived from the plant Atropa belladonna).
3. Arsenicum album:
Food poisoning, diarrhea, vomiting, restlessness (derived from the mineral arsenic).
4. Bryonia alba:
Dry, painful cough, body aches worsened by movement (derived from the plant Bryonia alba).
5. Gelsemium sempervirens:
Flu with weakness, fatigue, heavy eyelids (derived from the plant Gelsemium sempervirens).
6. Eupatorium perfoliatum:
Severe bone and muscle pains in flu (derived from the plant Eupatorium perfoliatum).
7. Nux vomica:
Indigestion, hangover, irritability (derived from the plant Strychnos nux-vomica).
8. Pulsatilla:
Colds with thick, yellow-green discharge, weepy mood (derived from the plant Pulsatilla pratensis).
9. Rhus toxicodendron:
Joint stiffness, muscle pain improved by movement (derived from the plant Toxicodendron radicans).
10. Apis mellifica:
Swelling, redness, stinging pain, allergic reactions (derived from the honeybee).
11. Ignatia amara:
Grief, emotional upsets, headaches, sighing (derived from the plant Strychnos ignatii).
12. Natrum muriaticum:
Headaches, cold sores, grief, watery discharge (derived from common salt).
13. Sulphur:
Skin conditions, itching, hot flashes, morning diarrhea (derived from the mineral sulphur).
14. Ipecacuanha:
Nausea, vomiting, whooping cough with vomiting (derived from the plant Cephaelis ipecacuanha).
15. Arnica montana:
Trauma, bruises, soreness, shock (derived from the plant Arnica montana).
16. Chamomilla:
Teething pain, colic, irritability, anger (derived from the plant Matricaria chamomilla).
17. Thuja occidentalis:
Warts, skin conditions, vaccine reactions (derived from the tree Thuja occidentalis).
18. Veratrum album:
Diarrhea, vomiting, collapse, cold sweat (derived from the plant Veratrum album).
19. Cantharis:
Burns, urinary tract infections with burning pain (derived from the insect Lytta vesicatoria).
20. Hepar sulphuris calcareum:
Abscesses, sore throat, splinters, sensitivity to cold air (derived from a compound of sulfur and calcium).
These remedies are prepared according to homeopathic principles and are widely used for acute conditions based on their proven indications.