Hello. You take hepar sulph 30 - twice daily and belladonna 200 once daily for 4 days. You will be ok. Avoid cold food and drinks. Do warm water garggle. Do steam inhalation. Take ginger, pepper kadha. And take rest.

Avoid exposure to pollutants. As much as possible, avoid breathing allergens and environmental toxins. Lose weight if you are overweight. Take care of yourself. If you have an underlying medical condition...fallow relaxation techniques like yoga, meditation,avoid alcohol, smoking, coffee, tea...have good sleep and develop healthy food habits...Consult nearest pulmonologist for clinical examination and for relevant investigations they will do the needful.